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Granatelli Motor Sports Electronic Exhaust Cutout Kit 303540 - Mild Steel Slip-Fit -4.00" inch

Exhaust Cut-Out

SKU: 303540

“From Mild to Wild: Push a Button to Boost Your Exhaust Sound.”

4.0″ slip-fit cutout for easy, weld-free install
Smart one-touch switch for instant open/close control
CNC 6061 aluminum body with stainless-steel internals

Unleash the sound. Upgrade your ride. BUY NOW!

Was: $283.35

Sale: $269.18

Save: 5%

Save: $14.17

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Description

Granatelli Motorsports 4.0″ Electronic Exhaust Cutout Kit – Aluminized Mild Steel (SKU 303540)

Transform Your Ride with Dual-Mode Sound & Performance

Switch effortlessly between refined street-level rumble and wild, track-ready roar. The Granatelli 4.0″ electronic exhaust cutout offers full control over your exhaust tone and performance—instantly—right from inside the cabin.

Key Features

Massive 4.0″ ID – delivers unrestricted exhaust flow and reduces backpressure for big power gains
CNC 6061‑T6 aluminum body – built to handle extreme heat and abuse
Stainless steel butterfly valve & shafts – long-lasting and corrosion-resistant
Smart‑Chip motor with one-touch rocker switch – press once to fully open or close; no holding required
High-torque DC motor with carbon‑steel gears – ensures reliable, complete valve actuation
360° adjustable polished stainless turndown (45° angle) – allows optimal positioning in any setup
Complete kit – includes gaskets, hardware, wiring harness, and switch for seamless installation

Ideal Applications

High-output turbocharged or supercharged engines
Large displacement race and street builds
Drag racers, show cars, and hot rods demanding ultimate flow and sound flexibility

Why Choose the 4.0″ Cutout Kit?

Instant power boost: Reduced exhaust restrictions help unlock horsepower, especially under load or boost
Dual personality: Keep it quiet for daily driving, then unleash full performance on demand
Durable design: Built to withstand heat, vibration, and frequent use with precision-grade materials
Universal fitment: Slip-fit aluminized mild steel works with nearly any 4″ exhaust setup—no custom work needed

What’s in the Box

4.0″ electronic exhaust cutout valve
Polished 45° stainless turndown
Slip-fit and band clamps
Wiring harness and one-touch rocker switch
Installation hardware and gaskets

Final Word

Ready to rule the streets, the strip, and the garage? The Granatelli 4.0″ Electronic Exhaust Cutout Kit delivers unmatched control over sound, flow, and performance—wherever your driving takes you. Embrace the roar or keep it discreet—it’s your ride, your rules.