4.00" 3 Bolt Gasket Only - 307540G

4.00" 3-Bolt Exhaust Cutout Gasket Only – Part #307540G

Ensure a proper seal between your exhaust cutout components with the Granatelli Motor Sports 4.00" 3-Bolt Exhaust Cutout Gasket (Part #307540G). Designed as a direct replacement for compatible 4.00-inch, 3-bolt exhaust cutout systems, this gasket helps maintain a leak-free connection while supporting reliable exhaust system performance.

Manufactured for accurate fitment and dependable sealing, the 307540G is an excellent choice when replacing a worn gasket during maintenance, repairs, or new exhaust cutout installations. Built to perform in high-temperature environments, it helps keep your exhaust system operating efficiently.

Features & Benefits

• Direct replacement gasket for compatible 4.00" 3-bolt exhaust cutout assemblies
• Creates a reliable seal between exhaust flanges
• Helps reduce exhaust leaks and maintain system performance
• Precision-manufactured for proper alignment and fitment
• Designed for high-temperature exhaust applications
• Ideal for repairs, routine maintenance, and replacement installations

Package Includes

• One (1) 4.00" 3-Bolt Exhaust Cutout Gasket

Important: This listing is for the gasket only. Exhaust cutout assembly, Y-pipe, turn down, block-off plate, hardware, electric motor, control module, and all other components are sold separately.

Key Features & Benefits

• Application-focused Granatelli Motor Sports design
• Built for dependable performance and service
• Designed for enthusiasts, professional installers, and performance builds

Fitment & Installation

Confirm the part number, vehicle or engine application, dimensions, and supporting components before installation. Modified vehicles may require additional clearance, fabrication, calibration, or related hardware depending on the combination.

Frequently Asked Questions

How do I confirm fitment?
Match the part number and listed application to your vehicle, engine, dimensions, and supporting components before ordering.

Will this work on a modified vehicle?
Compatibility depends on the complete vehicle combination. Confirm the listed application and supporting components before installation.

Why Choose Granatelli Motor Sports?

Granatelli Motor Sports develops performance components for real-world street, street/strip, race, and custom applications, with an emphasis on practical performance, dependable construction, and integration into serious automotive builds.