Granatelli Motor Sports Vacuum/Pressure Controlled Electronic Exhaust Cutout Systems - Stainless Steel Slip-Fit  309525K

Granatelli Motor Sports 2.50″ Electronic Exhaust Cutout – Vacuum/Boost-Activated, Slip-Fit Stainless Steel

Flip a switch and instantly switch your ride’s personality—from quiet cruise to full-volume performance. This 2.50" dual cutout system is engineered for street and track use, offering real gains in power, sound, and control without compromising fitment or reliability.

Core Features:

• Rugged 6061-T6 aluminum housing – lightweight, strong, and built to handle heat and vibration.


• Polished stainless steel butterfly plates and shafts – built to resist corrosion and thermal fatigue.


• One-touch rocker switch with Smart-Chip tech – opens or closes automatically without needing to hold it down.


• High-torque DC motor with gear reduction – paired with high-temp carbon-steel internals for smooth, repeatable actuation.


• 360° adjustable turndown tip – V-band mounted for easy orientation and optimal clearance.


• Aggressive 45° discharge angle – boosts flow and projects a deep, commanding exhaust note.


• Complete kit included – rocker switch, harness, gaskets, clamps, turndowns, and mounting hardware.

Performance Advantages:

• Instant sound transformation—stealthy when closed, rowdy when open.


• Electronic control eliminates cable slop or manual adjustment.


• Full 360° rotation lets you dial in the exact exit angle for your build.


• Built for the abuse of high-heat, boosted, and performance-driven applications.


• Perfect for street machines, off-road rigs, muscle cars, or custom builds with dual exhausts.

Product Specifications:

Why It Matters

Whether you're chasing more power or just want that race-ready bark on demand, the Granatelli 2.50″ Dual Electronic Cutout Kit (Part #309525K) delivers. Proven to gain up to 22 HP on boosted setups, it’s the perfect blend of sound, style, and functionality—engineered for enthusiasts who demand real results from their upgrades.