Search By Year,Make and Model
Granatelli Motor Sports
Granatelli Motor Sports Electronic Exhaust Cutout Kit – Stainless Steel Weld-In
Granatelli Motor Sports Electronic Exhaust Cutout Kit – Stainless Steel Weld-In
SKU:307522
In Stock—More than 10 available
Racing Use Only. Not Legal for Road Use.

Granatelli 2.25″ Electronic Exhaust Cutout Kit
SKU: 307522
Take control of your exhaust with precision, performance, and effortless style—this universal, weld-in electronic cutout is built for enthusiasts who demand quality and dynamic functionality.
Effortless One-Touch Operation
- CNC-machined 6061 aircraft-grade aluminum motor housing ensures long-term strength and heat resistance.
- Smart-Chip controlled DC motor delivers smooth torque with automatic shut-off—no need to hold the switch and risk gear wear.
Adjustable Sound & Flow Control
- Fits any 2.25″ (57 mm) exhaust system with minimal restriction when closed—and an aggressive tone when opened.
- Polished stainless-steel butterfly valve and shaft handle high-heat performance without compromise.
- 45° stainless turndown with 360° adjustable V-band clamp allows precision exhaust exit angle.
Complete Weld-In Installation Kit
- Kit includes: cutout assembly, Y-pipe, rocker switch, wiring harness, gaskets, V-band clamps, and mounting hardware.
- Universal fit for custom exhaust builds using 2.25″ piping.
Built to Last
- All moving parts are sealed and protected from road elements, vibration, and high temps.
- Heat-resistant carbon steel gears and corrosion-proof stainless construction ensure long-term reliability.
Why It’s a Must-Have
- Toggle between stealth mode and open exhaust performance on demand.
- Perfect for street and race applications where sound and flow control matter.
- Easy one-touch control with Smart-Chip auto-stop to protect the system.
Technical Specifications
| Feature | Specification |
|---|---|
| Cutout Diameter | 2.25″ (57 mm) |
| Materials | Stainless steel cutout & turndown; CNC 6061 aluminum motor housing |
| Motor | DC high-torque with Smart‑Chip auto-stop |
| Gear System | Heat-resistant carbon steel |
| Turndown | 45° polished stainless, adjustable with 360° V-band clamp |
| Includes | Cutout, Y-pipe, switch, wiring, gaskets, V‑bands, full install hardware |
| Installation | Weld-in; universal fit for 2.25″ systems |
Summary
The Granatelli 307522 electronic exhaust cutout kit offers clean one-touch control, bold tone customization, and rugged construction—all built into a smart, weld-in setup. Whether you're going for stealth or performance, this kit gives you the power to choose at the flick of a switch.
Details
- 307522
- 307522
- 802735039900
- Granatelli Motor Sports
- New

