{"title":"3.0\" (76mm)","description":null,"products":[{"product_id":"i-30499926-granatelli-electronic-exhaust-cutout-kit-302530k-ss-slip-fit-3-00-inches","title":"Granatelli Dual 3\" Electric Exhaust Cutout Kit, Stainless Steel Slip-Fit – 302530K","description":"\u003ch2\u003e\u003cstrong\u003eCommand the Sound—3.00″ Dual Cutout Power\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eSKU: 302530K\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003ePush one switch, and you're in full control. The Granatelli dual 3.00″ electronic exhaust cutout gives you instant tone and flow adjustment—silent or savage—on demand. Quality-engineered and built to last, this kit delivers raw performance with premium reliability.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRugged Build:\u003c\/strong\u003e CNC-machined 6061 aerospace-grade aluminum body with stainless-steel butterfly plates and shafts\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSmart One-Touch Control:\u003c\/strong\u003e Smart-Chip–driven rocker switch—no holding, auto-stop protection\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePowerful Actuation:\u003c\/strong\u003e High-torque DC gear-reduction motor with high-temp carbon-steel gears\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e360° Adjustable Exit:\u003c\/strong\u003e V-band clamps provide full rotation; polished 45° stainless turndowns for style and flow\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAll-in-One Kit:\u003c\/strong\u003e Includes two cutouts, rocker switches, wiring harnesses, gaskets, clamps, and install hardware\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eQuick Specs\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCutout Diameter:\u003c\/strong\u003e 3.00″ (76 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBody:\u003c\/strong\u003e CNC-machined 6061 aluminum\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInternals:\u003c\/strong\u003e Stainless steel plates \u0026amp; shafts, carbon-steel gears\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTurndowns:\u003c\/strong\u003e Polished stainless, 45° angle, 360° V-band positioning\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMotors:\u003c\/strong\u003e High-torque, gear-reduction with Smart-Chip auto-stop\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall:\u003c\/strong\u003e Slip-fit clamp-on with complete accessory kit\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eWhy Enthusiasts Choose It\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eWhether you’re carving canyons, hitting drag strips, or rolling into a show, this dual 3.00″ cutout switch delivers show-stopping sound and flow—on your terms. Built tough, engineered smart, and loaded with hardware, it’s the upgrade every performance driver deserves.\u003c\/p\u003e\u003chr\u003e\u003ch3 style=\"margin-bottom:10px; color:#666666;\"\u003eSizing \u0026amp; Fitment\u003c\/h3\u003e\u003cp\u003eMeasure the outside diameter of your exhaust pipe at the mounting point. If it measures 3\", this kit is the right match. This dual kit is for true dual exhaust systems, one cutout per side. Single exhaust? Choose the \u003ca href=\"\/products\/i-30499925-granatellimotor-sportselectronic-exhaust-cutout-kit-302530-stainless-steel-slip-fit-3-00-inches\"\u003esingle 302530 kit\u003c\/a\u003e. Want a permanent, leak-free install? See the \u003ca href=\"\/products\/i-30499988-granatellimotor-sportselectronic-exhaust-cutout-kit-307530k-stainless-steel-weld-in\"\u003e307530K weld-in version\u003c\/a\u003e.\u003c\/p\u003e\u003chr\u003e\u003ch3 style=\"margin-bottom:10px; color:#666666;\"\u003eWhere to Mount It\u003c\/h3\u003e\u003cp\u003eMount the cutout at least 18 to 24 inches after the catalytic converters, and away from any O2 sensor. Aim the turndown toward the rocker panel, away from fuel and brake lines. For the best sound, mount it after the X-pipe or H-pipe.\u003c\/p\u003e\u003chr\u003e\u003ch3 style=\"margin-bottom:10px; color:#666666;\"\u003eLegal Note\u003c\/h3\u003e\u003cp\u003eMany states, including California, prohibit exhaust cutouts on vehicles driven on public roads. Keep the cutout closed on the street and open it only at sanctioned off-highway events. Never install a cutout upstream of a catalytic converter.\u003c\/p\u003e\u003chr\u003e\u003ch3 style=\"margin-bottom:10px; color:#666666;\"\u003eFrequently Asked Questions\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eDo I have to hold the switch?\u003c\/strong\u003e\u003cbr\u003eNo. The Smart-Chip one-touch rocker completes the valve's travel with one tap.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan I install it myself?\u003c\/strong\u003e\u003cbr\u003eYes. This kit clamps onto the pipe, so most installs need only basic hand tools and a way to cut the pipe.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat's the warranty?\u003c\/strong\u003e\u003cbr\u003e90 days, with optional 1-, 2- or 3-year extended coverage available at checkout.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWill it add horsepower?\u003c\/strong\u003e\u003cbr\u003eOpening the cutout reduces backpressure. Gains depend on your engine, headers and tune.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eNew to cutouts?\u003c\/strong\u003e Read our \u003ca href=\"\/blogs\/news\/3-inch-electric-exhaust-cutout-guide\"\u003e3 Inch Electric Exhaust Cutout Guide\u003c\/a\u003e for choosing the right size and type, mounting and state laws.\u003c\/p\u003e\u003chr\u003e\u003ch3 style=\"margin-bottom:10px; color:#666666;\"\u003eWhy Choose Granatelli Motor Sports?\u003c\/h3\u003e\u003cp\u003eGranatelli Motor Sports develops performance components for real-world street, street\/strip, race, and custom applications, with an emphasis on practical performance, dependable construction, and integration into serious automotive builds.\u003c\/p\u003e","brand":"Granatelli Motor Sports","offers":[{"title":"Default Title","offer_id":46910311006364,"sku":"302530K","price":509.19,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0738\/9826\/2684\/files\/F198648805.jpg?v=1779219143"},{"product_id":"i-30499925-granatellimotor-sportselectronic-exhaust-cutout-kit-302530-stainless-steel-slip-fit-3-00-inches","title":"Granatelli 3\" Electric Exhaust Cutout Kit, Stainless Steel Slip-Fit – 302530","description":"\u003ch2\u003e\u003cstrong\u003eGranatelli 3 Inch Electric Exhaust Cutout Kit\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eSKU: 302530\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThis 3 inch exhaust cutout clamps onto 3\" (76 mm) outside-diameter exhaust pipe, so there is no welding. Open it from the one-touch rocker switch for full sound and flow ahead of the mufflers, and close it for quiet cruising. It is a complete 3\" electric exhaust cutout kit with the motor, turndown, wiring, switch and hardware in the box.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eTurn Silence into Roar—Instantly\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eLooking for that extra edge on sound and performance? With the Granatelli 3″ Electronic Exhaust Cutout, you’re in full command of your exhaust note. Flip the switch, unleash the growl—return to stealth just as fast. Perfect for street runs, track days, or any time you crave that thunderous punch.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eWhy Gearheads Choose This Kit:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePro-quality Build\u003c\/strong\u003e\n\u003cul\u003e\n\u003cli\u003eCNC-machined 6061 aircraft-grade aluminum body\u003c\/li\u003e\n\u003cli\u003eStainless-steel butterfly plates and shafts\u003c\/li\u003e\n\u003cli\u003eHigh-temp carbon steel drive gears\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSmart \u0026amp; Simple Operation\u003c\/strong\u003e\n\u003cul\u003e\n\u003cli\u003eOne-touch rocker switch via Smart-Chip control\u003c\/li\u003e\n\u003cli\u003eAutomatically stops motor to prevent gear stress\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStyle \u0026amp; Adjustability\u003c\/strong\u003e\n\u003cul\u003e\n\u003cli\u003ePolished stainless-steel turndown with 45° slanted tip\u003c\/li\u003e\n\u003cli\u003e360° rotation via V-band clamp for perfect fitment\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReliable Every Time\u003c\/strong\u003e\n\u003cul\u003e\n\u003cli\u003eHigh-torque DC gear-reduction motor ensures full open and close action\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReady to Install\u003c\/strong\u003e\n\u003cul\u003e\n\u003cli\u003eSlip-fit 3″ (76 mm) inlet with band clamp\u003c\/li\u003e\n\u003cli\u003eIncludes gaskets, wiring harness, rocker switch, and all hardware\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eSpecs at a Glance:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCutout Diameter:\u003c\/strong\u003e 3″ (76.2 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConstruction:\u003c\/strong\u003e 6061 aluminum body\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInternals:\u003c\/strong\u003e Stainless steel \u0026amp; carbon-steel gears\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Natural body, polished 45° turndown\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation:\u003c\/strong\u003e Clamp-on, with 360° V-band adjustability\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eKit Includes:\u003c\/strong\u003e Full hardware, gaskets, wiring, and switch\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eUnleash the Beast—or Keep it Civil\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eWhether you're launching off the line, hitting the highway, or slipping through town under the radar, this cutout gives you the power to shift your exhaust character on the fly. Built tough and engineered smart, it’s the modular performance upgrade every enthusiast craves. Ready to dial in your sound?\u003c\/p\u003e\u003chr\u003e\u003ch3 style=\"margin-bottom:10px; color:#666666;\"\u003eSizing \u0026amp; Fitment\u003c\/h3\u003e\u003cp\u003eMeasure the outside diameter of your exhaust pipe at the mounting point. If it measures 3\", this kit is the right match. Running a true dual exhaust? Use one cutout per side, or choose the \u003ca href=\"\/products\/i-30499926-granatelli-electronic-exhaust-cutout-kit-302530k-ss-slip-fit-3-00-inches\"\u003edual 302530K kit\u003c\/a\u003e. Want a permanent, leak-free install? See the \u003ca href=\"\/products\/i-30499985-granatellimotor-sportselectronic-exhaust-cutout-kit-307530-stainless-steel-weld-in-3-00\"\u003e307530 weld-in version\u003c\/a\u003e.\u003c\/p\u003e\u003chr\u003e\u003ch3 style=\"margin-bottom:10px; color:#666666;\"\u003eWhere to Mount It\u003c\/h3\u003e\u003cp\u003eMount the cutout at least 18 to 24 inches after the catalytic converters, and away from any O2 sensor. Aim the turndown toward the rocker panel, away from fuel and brake lines. For the best sound, mount it after the X-pipe or H-pipe.\u003c\/p\u003e\u003chr\u003e\u003ch3 style=\"margin-bottom:10px; color:#666666;\"\u003eLegal Note\u003c\/h3\u003e\u003cp\u003eMany states, including California, prohibit exhaust cutouts on vehicles driven on public roads. Keep the cutout closed on the street and open it only at sanctioned off-highway events. Never install a cutout upstream of a catalytic converter.\u003c\/p\u003e\u003chr\u003e\u003ch3 style=\"margin-bottom:10px; color:#666666;\"\u003eFrequently Asked Questions\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eDo I have to hold the switch?\u003c\/strong\u003e\u003cbr\u003eNo. The Smart-Chip one-touch rocker completes the valve's travel with one tap.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan I install it myself?\u003c\/strong\u003e\u003cbr\u003eYes. This kit clamps onto the pipe, so most installs need only basic hand tools and a way to cut the pipe.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat's the warranty?\u003c\/strong\u003e\u003cbr\u003e90 days, with optional 1-, 2- or 3-year extended coverage available at checkout.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWill it add horsepower?\u003c\/strong\u003e\u003cbr\u003eOpening the cutout reduces backpressure. Gains depend on your engine, headers and tune.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan I add a wireless remote?\u003c\/strong\u003e\u003cbr\u003eYes. The \u003ca href=\"\/products\/i-30499931-granatelli-motor-sports-exhaust-cutout-service-part-303510r\"\u003e303510R wireless remote\u003c\/a\u003e is made for single Granatelli cutout kits like this one and replaces the standard switch with the same one-touch operation.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eMy pipe isn't 3 inch. Which cutout do I need?\u003c\/strong\u003e\u003cbr\u003eMatch the cutout to your pipe's outside diameter: the \u003ca href=\"\/products\/i-30500959-granatelli-302522-electronic-exhaust-cutout-kit-2-25-ss-slip-fit\"\u003e302522\u003c\/a\u003e for 2.25\", the \u003ca href=\"\/products\/i-30499923-granatellielectronic-exhaust-cutout-kit-302525-ss-slip-fit-2-50-inches\"\u003e302525\u003c\/a\u003e for 2.5\" and the \u003ca href=\"\/products\/i-30499927-granatelli-motor-sports-electronic-exhaust-cutout-kit-302535-stainless-steel-slip-fit-3-50-inches\"\u003e302535\u003c\/a\u003e for 3.5\".\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eNew to cutouts?\u003c\/strong\u003e Read our \u003ca href=\"\/blogs\/news\/3-inch-electric-exhaust-cutout-guide\"\u003e3 Inch Electric Exhaust Cutout Guide\u003c\/a\u003e for choosing the right size and type, mounting and state laws. See how round and oval Granatelli cutouts work on our \u003ca href=\"\/pages\/exhaust-cutouts\"\u003eExhaust Cutouts\u003c\/a\u003e page, or compare every size and style in the \u003ca href=\"\/collections\/exhaust-cutouts\"\u003eexhaust cutouts collection\u003c\/a\u003e.\u003c\/p\u003e\u003chr\u003e\u003ch3 style=\"margin-bottom:10px; color:#666666;\"\u003eWhy Choose Granatelli Motor Sports?\u003c\/h3\u003e\u003cp\u003eGranatelli Motor Sports develops performance components for real-world street, street\/strip, race, and custom applications, with an emphasis on practical performance, dependable construction, and integration into serious automotive builds.\u003c\/p\u003e","brand":"Granatelli Motor Sports","offers":[{"title":"Default Title","offer_id":46910311366812,"sku":"302530","price":256.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0738\/9826\/2684\/files\/302530_302525.png?v=1785196566"},{"product_id":"i-30501088-granatellimotor-sportsvacuum-pressure-controlled-electronic-exhaust-cutout-systemsstainless-steel-slip-fit309530k","title":"Granatelli Dual 3\" Vacuum\/Pressure-Controlled Exhaust Cutout Kit, Stainless Steel Slip-Fit – 309530K","description":"\u003ch2\u003e\u003cstrong\u003eGranatelli Dual 3\" Vacuum\/Pressure-Controlled Exhaust Cutout Kit – Stainless Steel Slip-Fit\u003c\/strong\u003e\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eSKU: 309530K\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eOpen or close your exhaust from anywhere in the cab with the Granatelli 309530K vacuum\/pressure-controlled exhaust cutout kit. A wireless remote signals the vacuum control box, and the included vacuum pump drives two cutouts open or closed. Because the kit supplies its own vacuum, it doesn't depend on engine vacuum, so it works the same on boosted engines and big-cam builds. This dual kit includes a cutout for each side of a true dual exhaust.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWireless remote control:\u003c\/strong\u003e Open or close the cutout from the driver's seat.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncluded vacuum pump:\u003c\/strong\u003e No engine vacuum required, so performance doesn't change with boost or cam choice.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVacuum control box, lines and fittings:\u003c\/strong\u003e Everything needed to plumb the system is in the kit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCNC-machined 6061 aluminum body:\u003c\/strong\u003e With a stainless steel butterfly plate and shaft.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePolished 45° turndown with 360° V-band clamp:\u003c\/strong\u003e Rotate the exit to clear lines, the floor and tires.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSlip-fit installation:\u003c\/strong\u003e Clamps onto the pipe, so no welding is required.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/h3\u003e\u003ctable border=\"1\" cellpadding=\"6\" cellspacing=\"0\"\u003e\n\u003ctr\u003e\n\u003cth\u003eAttribute\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCutout size\u003c\/td\u003e\n\u003ctd\u003e3\" (76 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConfiguration\u003c\/td\u003e\n\u003ctd\u003eDual (one cutout per side)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eControl\u003c\/td\u003e\n\u003ctd\u003eWireless remote and vacuum control box\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVacuum source\u003c\/td\u003e\n\u003ctd\u003eIncluded vacuum pump\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody\u003c\/td\u003e\n\u003ctd\u003eCNC-machined 6061 aluminum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eButterfly plate and shaft\u003c\/td\u003e\n\u003ctd\u003eStainless steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTurndown\u003c\/td\u003e\n\u003ctd\u003ePolished stainless steel, 45°, 360° adjustable V-band clamp\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInstallation\u003c\/td\u003e\n\u003ctd\u003eSlip-fit (clamp-on)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eKit includes\u003c\/td\u003e\n\u003ctd\u003eTwo cutouts, turndowns, V-band clamps, vacuum pump, vacuum control box, wireless remote, vacuum lines and fittings\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003chr\u003e\u003ch3 style=\"margin-bottom:10px; color:#666666;\"\u003eSizing \u0026amp; Fitment\u003c\/h3\u003e\u003cp\u003eMeasure the outside diameter of your exhaust pipe at the mounting point. If it measures 3\", this kit is the right match. This dual kit is for true dual exhaust systems, one cutout per side. Single exhaust? Choose the \u003ca href=\"\/products\/i-30501087-granatellimotor-sportsvacuum-pressure-controlled-electronic-exhaust-cutout-systems-stainless-steel-slip-fit309530\"\u003esingle 309530 kit\u003c\/a\u003e. Want a permanent, leak-free install? See the \u003ca href=\"\/products\/granatelli-vacuum-pressure-controlled-309630k\"\u003e309630K weld-in version\u003c\/a\u003e.\u003c\/p\u003e\u003chr\u003e\u003ch3 style=\"margin-bottom:10px; color:#666666;\"\u003eWhere to Mount It\u003c\/h3\u003e\u003cp\u003eMount the cutout at least 18 to 24 inches after the catalytic converters, and away from any O2 sensor. Aim the turndown toward the rocker panel, away from fuel and brake lines. For the best sound, mount it after the X-pipe or H-pipe. Route the vacuum lines away from the exhaust so heat can't damage them.\u003c\/p\u003e\u003chr\u003e\u003ch3 style=\"margin-bottom:10px; color:#666666;\"\u003eLegal Note\u003c\/h3\u003e\u003cp\u003eMany states, including California, prohibit exhaust cutouts on vehicles driven on public roads. Keep the cutout closed on the street and open it only at sanctioned off-highway events. Never install a cutout upstream of a catalytic converter.\u003c\/p\u003e\u003chr\u003e\u003ch3 style=\"margin-bottom:10px; color:#666666;\"\u003eFrequently Asked Questions\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eHow is it controlled?\u003c\/strong\u003e\u003cbr\u003eWith a wireless remote that operates the vacuum control box, so you can open or close the cutout from the driver's seat.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes it need engine vacuum?\u003c\/strong\u003e\u003cbr\u003eNo. The kit includes its own vacuum pump, so it works the same on boosted, big-cam and low-vacuum engines.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eVacuum or electric: which should I choose?\u003c\/strong\u003e\u003cbr\u003eBoth open and close from the cab. The vacuum kit uses a wireless remote and its own pump; the electric kit uses a motor on the cutout and a one-touch rocker switch. Compare the \u003ca href=\"\/products\/i-30499926-granatelli-electronic-exhaust-cutout-kit-302530k-ss-slip-fit-3-00-inches\"\u003eelectric 302530K kit\u003c\/a\u003e.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan I install it myself?\u003c\/strong\u003e\u003cbr\u003eYes. The cutout clamps onto the pipe, so most installs need only basic hand tools, a way to cut the pipe, and time to route the vacuum lines.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat's the warranty?\u003c\/strong\u003e\u003cbr\u003e90 days, with optional 1-, 2- or 3-year extended coverage available at checkout.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWill it add horsepower?\u003c\/strong\u003e\u003cbr\u003eOpening the cutout reduces backpressure. Gains depend on your engine, headers and tune.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eNew to cutouts?\u003c\/strong\u003e Read our \u003ca href=\"\/blogs\/news\/3-inch-electric-exhaust-cutout-guide\"\u003e3 Inch Electric Exhaust Cutout Guide\u003c\/a\u003e for choosing the right size and type, mounting and state laws.\u003c\/p\u003e\u003chr\u003e\u003ch3 style=\"margin-bottom:10px; color:#666666;\"\u003eWhy Choose Granatelli Motor Sports?\u003c\/h3\u003e\u003cp\u003eGranatelli Motor Sports develops performance components for real-world street, street\/strip, race, and custom applications, with an emphasis on practical performance, dependable construction, and integration into serious automotive builds.\u003c\/p\u003e","brand":"Granatelli Motor Sports","offers":[{"title":"Default Title","offer_id":46914313158812,"sku":"309530K","price":358.2,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0738\/9826\/2684\/files\/309525K_309530K_5_c50311cb-fe13-4b55-94a6-1bf80fd31f41.png?v=1785281571"},{"product_id":"i-30501087-granatellimotor-sportsvacuum-pressure-controlled-electronic-exhaust-cutout-systems-stainless-steel-slip-fit309530","title":"Granatelli 3\" Vacuum\/Pressure-Controlled Exhaust Cutout Kit, Stainless Steel Slip-Fit – 309530","description":"\u003ch2\u003e\u003cstrong\u003eGranatelli 3\" Vacuum\/Pressure-Controlled Exhaust Cutout Kit – Stainless Steel Slip-Fit\u003c\/strong\u003e\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eSKU: 309530\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eOpen or close your exhaust from anywhere in the cab with the Granatelli 309530 vacuum\/pressure-controlled exhaust cutout kit. A wireless remote signals the vacuum control box, and the included vacuum pump drives the cutout open or closed. Because the kit supplies its own vacuum, it doesn't depend on engine vacuum, so it works the same on boosted engines and big-cam builds.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWireless remote control:\u003c\/strong\u003e Open or close the cutout from the driver's seat.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncluded vacuum pump:\u003c\/strong\u003e No engine vacuum required, so performance doesn't change with boost or cam choice.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVacuum control box, lines and fittings:\u003c\/strong\u003e Everything needed to plumb the system is in the kit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCNC-machined 6061 aluminum body:\u003c\/strong\u003e With a stainless steel butterfly plate and shaft.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePolished 45° turndown with 360° V-band clamp:\u003c\/strong\u003e Rotate the exit to clear lines, the floor and tires.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSlip-fit installation:\u003c\/strong\u003e Clamps onto the pipe, so no welding is required.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/h3\u003e\u003ctable border=\"1\" cellpadding=\"6\" cellspacing=\"0\"\u003e\n\u003ctr\u003e\n\u003cth\u003eAttribute\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCutout size\u003c\/td\u003e\n\u003ctd\u003e3\" (76 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConfiguration\u003c\/td\u003e\n\u003ctd\u003eSingle\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eControl\u003c\/td\u003e\n\u003ctd\u003eWireless remote and vacuum control box\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVacuum source\u003c\/td\u003e\n\u003ctd\u003eIncluded vacuum pump\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody\u003c\/td\u003e\n\u003ctd\u003eCNC-machined 6061 aluminum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eButterfly plate and shaft\u003c\/td\u003e\n\u003ctd\u003eStainless steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTurndown\u003c\/td\u003e\n\u003ctd\u003ePolished stainless steel, 45°, 360° adjustable V-band clamp\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInstallation\u003c\/td\u003e\n\u003ctd\u003eSlip-fit (clamp-on)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eKit includes\u003c\/td\u003e\n\u003ctd\u003eCutout, turndown, V-band clamp, vacuum pump, vacuum control box, wireless remote, vacuum lines and fittings\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003chr\u003e\u003ch3 style=\"margin-bottom:10px; color:#666666;\"\u003eSizing \u0026amp; Fitment\u003c\/h3\u003e\u003cp\u003eMeasure the outside diameter of your exhaust pipe at the mounting point. If it measures 3\", this kit is the right match. Running a true dual exhaust? Use one cutout per side, or choose the \u003ca href=\"\/products\/i-30501088-granatellimotor-sportsvacuum-pressure-controlled-electronic-exhaust-cutout-systemsstainless-steel-slip-fit309530k\"\u003edual 309530K kit\u003c\/a\u003e. Want a permanent, leak-free install? See the \u003ca href=\"\/products\/granatelli-vacuum-pressure-controlled-electronic-exhaust-cutout-309630\"\u003e309630 weld-in version\u003c\/a\u003e.\u003c\/p\u003e\u003chr\u003e\u003ch3 style=\"margin-bottom:10px; color:#666666;\"\u003eWhere to Mount It\u003c\/h3\u003e\u003cp\u003eMount the cutout at least 18 to 24 inches after the catalytic converters, and away from any O2 sensor. Aim the turndown toward the rocker panel, away from fuel and brake lines. For the best sound, mount it after the X-pipe or H-pipe. Route the vacuum lines away from the exhaust so heat can't damage them.\u003c\/p\u003e\u003chr\u003e\u003ch3 style=\"margin-bottom:10px; color:#666666;\"\u003eLegal Note\u003c\/h3\u003e\u003cp\u003eMany states, including California, prohibit exhaust cutouts on vehicles driven on public roads. Keep the cutout closed on the street and open it only at sanctioned off-highway events. Never install a cutout upstream of a catalytic converter.\u003c\/p\u003e\u003chr\u003e\u003ch3 style=\"margin-bottom:10px; color:#666666;\"\u003eFrequently Asked Questions\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eHow is it controlled?\u003c\/strong\u003e\u003cbr\u003eWith a wireless remote that operates the vacuum control box, so you can open or close the cutout from the driver's seat.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes it need engine vacuum?\u003c\/strong\u003e\u003cbr\u003eNo. The kit includes its own vacuum pump, so it works the same on boosted, big-cam and low-vacuum engines.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eVacuum or electric: which should I choose?\u003c\/strong\u003e\u003cbr\u003eBoth open and close from the cab. The vacuum kit uses a wireless remote and its own pump; the electric kit uses a motor on the cutout and a one-touch rocker switch. Compare the \u003ca href=\"\/products\/i-30499925-granatellimotor-sportselectronic-exhaust-cutout-kit-302530-stainless-steel-slip-fit-3-00-inches\"\u003eelectric 302530 kit\u003c\/a\u003e.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan I install it myself?\u003c\/strong\u003e\u003cbr\u003eYes. The cutout clamps onto the pipe, so most installs need only basic hand tools, a way to cut the pipe, and time to route the vacuum lines.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat's the warranty?\u003c\/strong\u003e\u003cbr\u003e90 days, with optional 1-, 2- or 3-year extended coverage available at checkout.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWill it add horsepower?\u003c\/strong\u003e\u003cbr\u003eOpening the cutout reduces backpressure. Gains depend on your engine, headers and tune.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eNew to cutouts?\u003c\/strong\u003e Read our \u003ca href=\"\/blogs\/news\/3-inch-electric-exhaust-cutout-guide\"\u003e3 Inch Electric Exhaust Cutout Guide\u003c\/a\u003e for choosing the right size and type, mounting and state laws.\u003c\/p\u003e\u003chr\u003e\u003ch3 style=\"margin-bottom:10px; color:#666666;\"\u003eWhy Choose Granatelli Motor Sports?\u003c\/h3\u003e\u003cp\u003eGranatelli Motor Sports develops performance components for real-world street, street\/strip, race, and custom applications, with an emphasis on practical performance, dependable construction, and integration into serious automotive builds.\u003c\/p\u003e","brand":"Granatelli Motor Sports","offers":[{"title":"Default Title","offer_id":46914313552028,"sku":"309530","price":180.14,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0738\/9826\/2684\/files\/F198649457.webp?v=1779220231"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0738\/9826\/2684\/collections\/EXHAUST_CUTOUT_COLLECTION_PAGE_BANNER_d5a93b31-5b71-463f-b88e-28649fd63d02.png?v=1793042808","url":"https:\/\/granatellimotorsports.com\/collections\/stainless-steel-slip-fit-electronic-exhaust-cutouts-3-0-76mm.oembed","provider":"Granatelli Motor Sports, Inc.","version":"1.0","type":"link"}