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

Granatelli Motorsports 4.0″ Dual Electronic Exhaust Cutout Kit – Universal Weld-In for Performance Builds

Experience Ultimate Exhaust Control with Granatelli’s 4.0″ Dual Electronic Exhaust Cutout Kit Designed for serious performance enthusiasts, this universal weld-in kit delivers unmatched power, flow, and adjustability. Ideal for turbocharged, supercharged, or large displacement engines, the Granatelli 307540K cutout system lets you switch between aggressive open exhaust and street-legal quiet in seconds—no tools or tuning required.

Key Features

• Massive 4″ Dual Cutouts: Two large 102 mm stainless valves provide maximum flow, ideal for turbocharged, supercharged, or big displacement engines.
• Smart‑Chip “One‑Touch” Control: Quick rocker switch toggles valve fully open or closed automatically—no switch holding required, preventing motor burnout.
• Rugged Motor Assembly: High‑torque DC gear reduction motors with heat‑resistant carbon‑steel gears ensure reliable full-open/full-close cycles every time.
• Premium CNC Construction: Durability meets precision with 6061‑T6 aluminum motor housing and 304 stainless steel shafts and plates.
• Polished 45° Rotating Tips: Dual angled turndown tips not only look sharp but can be adjusted 360° via V‑band clamps for perfect fitment.
• All‑Weather Durability: Fully sealed internals protect against water, dirt, and corrosion.
• Complete Weld‑In Kit: Includes Y‑pipe, wiring harnesses, rocker switch, gaskets, clamps, and hardware—everything needed for pro‑grade installation.

Why You’ll Love It

• Unmatched Sound Versatility: Cruise quietly or unleash aggression—instant sound control tailored to your mood and environment.
• Optimized for Power: Maximizes exhaust flow on demand, reducing backpressure for enhanced horsepower and torque.
• Built for Heavy Duty Use: Made to withstand race-day abuse, heat, and grime while maintaining flawless operation.
• Stylish & Functional: The polished turndowns aren’t just for looks—they’re adjustable to fit any custom exhaust layout.

Tech Snapshot

Ideal For

• Muscle cars, hot rods, and race builds needing serious flow and control
• Turbocharged or supercharged setups seeking explosive mid-range and top-end power
• Show cars where control over exhaust note is essential
• Enthusiasts who value a tool-box-ready install kit with premium hardware

The Granatelli 307540K Electronic Exhaust Cutout Kit brings together brute strength, smooth performance, and on-demand sound control in one slick package. If you crave that thunderous tone—yet need the ability to dial it back—this kit offers the perfect balance of intimidation and finesse.