4.00" Y-Pipe ONLY - Stainless Steel-Weld in - 307540-Y

4.00" Stainless Steel Weld-In Exhaust Cutout Y-Pipe Only – Part #307540-Y

Upgrade or replace your exhaust cutout system with the Granatelli Motor Sports 4.00" Stainless Steel Weld-In Exhaust Cutout Y-Pipe (Part #307540-Y). Designed for compatible 4.00-inch exhaust cutout systems, this heavy-duty Y-pipe is manufactured from premium stainless steel to provide exceptional strength, corrosion resistance, and long-lasting performance in high-performance exhaust applications.

Its weld-in design creates a permanent, leak-resistant connection, making it an excellent choice for custom exhaust fabrication, performance upgrades, or replacing a damaged Y-pipe. Precision manufacturing ensures consistent fitment while supporting efficient exhaust flow for street, race, and off-road vehicles.

Features & Benefits

• Direct replacement 4.00" weld-in Y-pipe for compatible exhaust cutout systems
• Manufactured from premium stainless steel for superior durability and corrosion resistance
• Weld-in design provides a permanent, secure installation
• Precision-engineered for accurate fitment and optimal exhaust flow
• Designed to withstand extreme heat, vibration, and harsh operating conditions
• Ideal for exhaust system repairs, custom fabrication, and performance builds

Package Includes

• One (1) 4.00" Stainless Steel Weld-In Y-Pipe

Important: This listing includes the Y-pipe only. Exhaust cutout assembly, electric motor, control module, wiring harness, mounting hardware, and all other components are sold separately.

Built for High-Performance Applications

Whether you're fabricating a custom exhaust system or replacing an existing component, the 307540-Y delivers the durability and quality needed for dependable performance. Its rugged stainless steel construction is built to handle demanding driving conditions while providing years of reliable service.

Why Choose Granatelli Motor Sports?

Granatelli Motor Sports has been an industry leader in automotive performance for decades, producing innovative components trusted by enthusiasts and professional builders alike. Every product is engineered with a focus on quality, precision, and performance to help you get the most from your vehicle.