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

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

sku: 8XULJ | mpn: 303540
Regular price $323.03
Regular price Sale price $323.03
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Low stock: 5 left

Emissions

⚠️ RACING/COMPETITION Use Only

California: Non-compliant parts may be used only on designated closed-course racing vehicles that are never registered for highway use.

Other: Please consult your local statutes and ordinances to ensure compliance with regional emissions standards.

Quantity
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  • Easy Returns
  • Fast Shipping

“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!

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.

4 Inch Electronic Exhaust Cutout Kit 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 demand 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.

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