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Granatelli Motorsports

Granatelli Electronic Exhaust Cutout Kit 307540K - Stainless Steel Weld-In - 4.00"

Granatelli Electronic Exhaust Cutout Kit 307540K - Stainless Steel Weld-In - 4.00"

sku: 8XUNP | mpn: 307540K
$644.81
$644.81
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Low stock: 3 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.

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“From Quiet Cruising to Full Throttle: Command Your Exhaust Sound.”

  • Massive 4.00″ stainless cutout for peak performance
  • Weld-in design for seamless, long-lasting install
  • One-touch smart chip control for instant sound change

Unleash the sound. Upgrade your ride. BUY NOW!

Dominate the Road—4″ Dual Cutout Command

SKU: 307540K

Take control of your sound and flow with the Granatelli Dual 4.0″ Stainless Steel Electronic Exhaust Cutout Kit. With two massive 4″ valves, CNC-machined components, and polished stainless turndowns, you get instant access to raw power and authority—while enjoying quiet cruising when desired.

Electronic Exhaust Cutout Kit Key Features:

  • Heavy-Duty Build: CNC-machined 6061 aluminum motor bodies paired with rugged stainless steel cutouts and shafts
  • Smart-Chip One‑Touch Control: Flip the rocker once—motors auto-stop at full open/close to protect internal gears
  • 360° Adjustable Turndowns: Polished 45° stainless exits rotate via V-band clamps for perfect alignment
  • High-Torque Performance: DC gear‑reduction motors with heat-resistant carbon steel gears ensure full-cycle reliability
  • Fully Sealed Durability: Internal and external components are sealed for weather resistance and long life
  • Complete Weld‑In Kit: Includes dual cutouts, Y-pipes, switches, wiring, gaskets, clamps, hardware—ready to install

Specs Snapshot

  • Cutout Diameter: 4.0″ (102 mm)
  • Material: Stainless steel cutouts & turndowns; CNC 6061 aluminum motor bodies
  • Exhaust Tip: Polished stainless, 45° angle, 360° adjustable
  • Motor: High-torque DC with carbon steel gears and Smart-Chip auto-stop
  • Fitment: Universal weld-in dual kit (Y-pipe included)
  • Included: All hardware, gaskets, wiring harnesses, rocker switches

Built for Power, Designed for Control

Whether you're ripping down the quarter mile or cruising to a car show, this 4″ dual cutout delivers booming performance on demand and stealth on standby. Rugged, refined, and fully equipped—this is your exhaust’s next big upgrade.

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