4.00" Y-Pipe ONLY - Mild Steel-Slip Fit - 303540-Y

4.00" Mild Steel Slip-Fit Exhaust Cutout Y-Pipe Only – Part #303540-Y

The Granatelli Motor Sports 4.00" Mild Steel Slip-Fit Exhaust Cutout Y-Pipe (Part #303540-Y) is a high-quality replacement component designed for compatible 4.00-inch exhaust cutout systems. Manufactured from durable mild steel, this Y-pipe is built to provide dependable strength, precise fitment, and reliable performance for everything from daily-driven vehicles to dedicated race builds.

Featuring a slip-fit design, the 303540-Y allows for quick installation while creating a secure connection with compatible exhaust tubing. Whether you're replacing a worn Y-pipe or fabricating a custom exhaust system, this component offers the durability and performance needed to complete the job with confidence.

Features & Benefits

• Direct replacement 4.00" Y-pipe for compatible exhaust cutout systems
• Constructed from heavy-duty mild steel for excellent durability
• Slip-fit design for simple installation and secure fitment
• Precision-engineered to promote efficient exhaust flow
• Ideal for repairs, custom exhaust fabrication, and performance upgrades
• Built to withstand demanding street and racing environments

Package Includes

• One (1) 4.00" Mild Steel Slip-Fit Y-Pipe

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

Engineered for Reliable Performance

Designed to meet the needs of performance enthusiasts and professional fabricators, the 303540-Y delivers dependable fitment and long-lasting durability. Its rugged mild steel construction provides the strength required for high-performance exhaust systems while maintaining reliable operation over time.

Granatelli Motor Sports Quality

Granatelli Motor Sports has been a trusted name in automotive performance for decades, developing innovative components for enthusiasts, racers, and custom builders. Every product is engineered with a focus on quality, reliability, and performance to help you get the most from your vehicle.