{"product_id":"granatelli-dual-electronic-exhaust-cutout-kit-303540d","title":"Granatelli Dual 4\" Electric Exhaust Cutout Kit, Mild Steel Slip-Fit – 303540D","description":"\u003ch2\u003e\u003cstrong\u003eGranatelli Motor Sports Electronic Exhaust Cutout Kit – 4.0\" Dual System \u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eSKU: 303540D\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eUnleash your vehicle’s full potential with the Granatelli Motor Sports 303540D Electronic Exhaust Cutout Kit. Designed for performance enthusiasts, this dual-system slip-fit kit offers effortless control over your exhaust flow, allowing you to switch between a subtle, quiet tone and an aggressive, throatier roar at the touch of a button.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSlip-Fit Design:\u003c\/strong\u003e Engineered for easy installation with a 4.0\" (102mm) slip-fit connection, making integration into your exhaust system straightforward and secure.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMild Steel Construction:\u003c\/strong\u003e Crafted from durable aluminized mild steel to provide excellent corrosion resistance while maintaining a cost-effective price point.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision Engineering:\u003c\/strong\u003e CNC-machined 6061 aircraft-grade aluminum housing ensures lightweight strength and longevity.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Performance Components:\u003c\/strong\u003e Stainless steel butterfly plates and blade shafts resist corrosion and wear for reliable operation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdvanced Control Mechanism:\u003c\/strong\u003e Smart chip-controlled motors with one-touch rocker switch allow smooth, damage-free operation without the need to hold the switch.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRobust Motor Design:\u003c\/strong\u003e High-torque DC gear-reduction motors provide consistent, powerful open\/close action.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeat-Resistant Gears:\u003c\/strong\u003e Drive gears crafted from high-temperature carbon steel to withstand extreme conditions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eComplete Installation Kit:\u003c\/strong\u003e Includes mounting hardware, gaskets, wiring harnesses, and polished stainless steel 45-degree slanted turndowns for optimal exhaust flow.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eUniversal Fitment:\u003c\/strong\u003e Fits most vehicles with a 4.0\" exhaust diameter; minor modifications may be required.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003ePerformance Benefits:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnhanced Throttle Response \u0026amp; Power:\u003c\/strong\u003e Reduce backpressure and improve engine breathing for quicker acceleration and noticeable torque gains.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSound Customization:\u003c\/strong\u003e Easily switch from a quiet, everyday driving sound to a bold, aggressive exhaust note that turns heads wherever you go.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEffortless Control:\u003c\/strong\u003e Operate your exhaust cutouts with a simple flip of a switch, giving you ultimate control over your vehicle’s performance and sound.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ctable style=\"border-collapse: collapse; width: 100%;\" border=\"1\" cellspacing=\"0\" cellpadding=\"6\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eFeature\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eDetails\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExhaust Diameter\u003c\/td\u003e\n\u003ctd\u003e4.0\" (102mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConstruction Material\u003c\/td\u003e\n\u003ctd\u003eAluminized Mild Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHousing Material\u003c\/td\u003e\n\u003ctd\u003eCNC-machined 6061 Aircraft-grade Aluminum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eButterfly Plates \u0026amp; Shafts\u003c\/td\u003e\n\u003ctd\u003eStainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMotor Type\u003c\/td\u003e\n\u003ctd\u003eHigh-torque DC Gear Reduction\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGear Material\u003c\/td\u003e\n\u003ctd\u003eHigh-temperature Carbon Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eControl Switch\u003c\/td\u003e\n\u003ctd\u003eOne-touch Rocker Switch with Smart Chip Control\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTurndown Angle\u003c\/td\u003e\n\u003ctd\u003e45° Slanted Polished Stainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInstallation Type\u003c\/td\u003e\n\u003ctd\u003eSlip-Fit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFitment\u003c\/td\u003e\n\u003ctd\u003eUniversal (some adaptation may be required)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eReady to transform your ride?\u003c\/strong\u003e The Granatelli Motor Sports Electronic Exhaust Cutout Kit 303540D delivers unbeatable performance, unmatched sound control, and durable construction—all wrapped up in a convenient slip-fit design. Whether you’re craving stealthy cruising or an aggressive growl, this kit gives you the power to command your exhaust with precision and style. Don’t settle for ordinary—upgrade your exhaust system and experience driving excitement like never before!\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 4\", 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-30499941-granatellimotor-sportselectronic-exhaust-cutout-kit-303540-mild-steel-slip-fit-4-00-inch\"\u003esingle 303540 kit\u003c\/a\u003e. Want a permanent, leak-free install? See the \u003ca href=\"\/products\/granatelli-electronic-exhaust-cutout-kit-307540k\"\u003e307540K weld-in version\u003c\/a\u003e. Daily driver in a wet or salted-road climate? Consider the \u003ca href=\"\/products\/granatelli-dual-electronic-exhaust-cutout-kit-302540k\"\u003estainless steel 302540K\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\" from the cylinder head and any O2 sensor, and always after the catalytic converters. 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\/4-inch-exhaust-cutout-guide\"\u003e4 Inch Exhaust Cutout Guide\u003c\/a\u003e for choosing the right size and type, mounting and state laws.\u003c\/p\u003e","brand":"Granatelli Motor Sports","offers":[{"title":"Default Title","offer_id":46914234351772,"sku":"303540D","price":521.06,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0738\/9826\/2684\/files\/F198645451.jpg?v=1779219945","url":"https:\/\/granatellimotorsports.com\/products\/granatelli-dual-electronic-exhaust-cutout-kit-303540d","provider":"Granatelli Motor Sports, Inc.","version":"1.0","type":"link"}