Granatelli Electronic Exhaust Cutout Kit 302540 - SS Slip-Fit - 4.00"

Granatelli 4.0″ Round Electronic Exhaust Cutout Kit

SKU: 302540

Take total control of your vehicle’s exhaust tone and flow with the Granatelli 4.0″ Round Electronic Cutout Kit. Designed for high-output builds, this all-in-one system gives you the freedom to run quiet when needed—or rip wide open at the push of a button. Built for those who demand serious performance and bulletproof reliability.

One-Touch Smart Control

• Precision CNC-machined 6061 aircraft-grade aluminum housing delivers strength without the weight.
• High-torque Smart-Chip DC motor provides smooth, responsive actuation with auto-stop to prevent gear strain or overtravel.

Massive Flow. Deep, Aggressive Sound.

• Built for 4.0″ (102 mm) exhaust systems—the Round-profile butterfly valve ensures minimal restriction and full flow when opened.
• Includes a 45° polished stainless turndown and Round-to-round adapter, secured with 360° V-band clamps for clockable fitment.

Everything You Need, Right in the Box

• Complete install kit: turndown pipe, adapter, V-bands, gaskets, switch, wiring harness, and hardware—no missing pieces, no guesswork.

Engineered to Take Abuse

• Corrosion-resistant stainless butterfly valve and shafts stand up to the elements and extreme temps.
• A heat-rated carbon-steel gear train is built for high-cycle operation, even under full-load punishment.

Why It Dominates

• Flip the switch for stealth mode or wide-open roar—perfect for the street, track, or show.
• Heavy-duty construction resists wear and abuse from daily driving or hardcore runs.
• Designed for straightforward installation—ideal for pro shops or seasoned DIY builders.

Technical Summary

Bottom Line

The Granatelli 4.0″ Round Electronic Exhaust Cutout Kit – Part #302540 – is built for those who demand full authority over their exhaust. Whether you’re chasing horsepower, turning heads, or just want that deep growl on demand, this is the kit that delivers—no compromises, no excuses.