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Authorized Brand Dealer
Fulfillment From Multiple U.S. Warehouses
Enthusiast Owned & Supported
Easy Financing Available!
Authorized Brand Dealer
Fulfillment From Multiple U.S. Warehouses
Enthusiast Owned & Supported
Easy Financing Available!
Authorized Brand Dealer
Fulfillment From Multiple U.S. Warehouses
Enthusiast Owned & Supported
Easy Financing Available!
Authorized Brand Dealer
Fulfillment From Multiple U.S. Warehouses
Enthusiast Owned & Supported
Easy Financing Available!
Authorized Brand Dealer
Fulfillment From Multiple U.S. Warehouses
Enthusiast Owned & Supported
Easy Financing Available!
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Exhaust Cutouts
An exhaust cutout gives you the best of both worlds — civilised cruising when closed, and unrestrained exhaust volume when you open it up. Whether you want to unleash the full voice of your engine at the track or enjoy a more aggressive note on the street, a cutout lets you bypass the rear muffler section on demand.
Our collection includes everything from simple manual block-off plates to fully electric, remote-controlled cutout kits. Key choices you'll make when building your setup:
- Pipe diameter — match your existing exhaust tubing (common sizes: 2.25in, 2.5in, 3.0in).
- Actuation — manual (wrench or cable-operated), electric (12V motorised valve), or boost/vacuum-actuated for turbo builds.
- Material & construction — stainless steel bodies and flanges for corrosion resistance, with quality seal faces that won't leak when closed.
- Motor & control — look for high-torque electric motors with wireless or hardwired controllers, and momentary or auto-stop actuation.
- Hardware & gaskets — complete kits should include clamps, flange gaskets, and mounting hardware for a leak-free install.
Before ordering, measure your pipe OD at the desired cutout location and confirm you have adequate clearance for the assembly and motor. Most cutouts weld or clamp directly into a straight section of the mid-pipe; some replacement intermediate pipes with pre-welded cutouts are available for specific platforms.
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65 products
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The Granatelli 303522D Dual Electronic Exhaust Cutout system allows you to instantly toggle between restricted factory exhaust levels and wide-open performance flow. Designed for dual exhaust configurations with 2.25-inch (57mm) piping, this kit provides an immediate bypass of your mufflers to reduce backpressure and enhance the exhaust note at the push of a button.
Built for durability and ease of installation, the system features aluminized mild steel construction. The slip-fit design combined with the included heavy-duty band clamps allows for a secure, professional installation with minimal exhaust modification. This is an essential upgrade for enthusiasts who want the flexibility of a quiet daily driver and a high-performance track machine in one package.
- Diameter: 2.25" (57mm)
- Configuration: Dual exhaust system
- Material: Aluminized mild steel
- Mounting Style: Slip fit with included band clamps
- Operation: Electronic butterfly valve bypass
- Manufacturer Part Number: 303522D
The Granatelli Motorsports 2.25" (57mm) Electronic Exhaust Cutout (MPN 303522) provides an immediate solution for drivers seeking to toggle between factory-quiet exhaust levels and a wide-open, high-flow profile. This system is designed for a precise fit on 2.25-inch exhaust tubing, utilizing a slip-fit design that simplifies installation and provides a reliable seal.
Constructed from durable aluminized mild steel, this cutout is engineered to withstand the thermal stress and environmental conditions typical of under-chassis components. The included heavy-duty band clamps ensure a secure, leak-free attachment to your existing exhaust piping, while the high-torque electronic butterfly valve allows for rapid actuation and precise control over your vehicle's sound and backpressure.
- Bore Diameter: 2.25" (57mm)
- Material: Aluminized Mild Steel
- Installation: Slip-fit connection with included band clamps
- Operation: Electronic butterfly valve for instantaneous sound and flow adjustment
- Manufacturer Part Number: 303522
The Granatelli 3.5-inch (89mm) Electronic Exhaust Cutout System provides the flexibility to switch between a quiet street exhaust and a wide-open racing profile at the touch of a button. This system is engineered to handle the high-heat environment of performance exhaust systems, utilizing a high-torque electric motor to actuate a precision-machined butterfly valve.
Designed for straightforward installation, this model features a slip-fit connection secured by a heavy-duty band clamp, offering a secure fit without the immediate necessity of custom welding for the joint. The stainless steel construction ensures long-term resistance to corrosion and road debris, maintaining reliable valve operation in demanding conditions.
- Size: 3.5-inch (89mm) diameter
- Material: High-grade stainless steel
- Installation: Slip-fit design with included band clamp
- Operation: Electronic motor-driven valve
- Manufacturer Part Number: 302535
Take total control over your vehicle's exhaust volume and flow with the Granatelli Motor Sports 3.0" (76 mm) Stainless Steel Electronic Dual Exhaust Cutout system. This dual-valve kit allows you to bypass your mufflers at the touch of a button, transitioning from a street-quiet profile to an aggressive, open-pipe sound for the track or off-road use.
Built for durability and heat resistance, this system is constructed from high-grade stainless steel. The slip-fit design combined with included heavy-duty band clamps allows for a secure installation on 3-inch exhaust piping, providing a reliable seal while maintaining the flexibility for custom positioning. The electronic actuators are designed for rapid response and repeatable performance under high-heat conditions.
- Bore Diameter: 3.0" (76 mm)
- System Configuration: Dual system for twin-pipe exhaust setups
- Material: Stainless Steel for superior corrosion resistance
- Installation: Slip-fit connection with heavy-duty band clamps
- Part Number: 302530K
The Granatelli 302530 Electronic Exhaust Cutout allows you to switch between a street-legal quiet exhaust note and wide-open performance at the touch of a button. Designed for universal application on 3.0-inch (76mm) exhaust systems, this cutout is built from high-grade stainless steel to resist corrosion and withstand the extreme heat of performance exhaust gases.
This system features a slip-fit design with an included heavy-duty band clamp, simplifying the installation process by providing a secure mechanical connection without the immediate need for welding. The high-torque DC gear motor ensures reliable butterfly valve operation, maintaining a leak-free seal when closed and providing unrestricted flow for maximum horsepower when open.
- Bore Diameter: 3.0 inches (76mm)
- Material: Corrosion-resistant stainless steel
- Installation Style: Slip-fit with included band clamp
- Operation: High-torque electronic butterfly valve
- Manufacturer Part Number: 302530
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