BBK High-Flow Catted Exhaust X-Pipe - 2-1/2 in Diameter - Ford Modular - Ford Mustang 1999-2004 Cell Phone Holder A take-up or helper spring

A take-up or helper spring keeps the spring firmly in the spring perch preventing the main spring from becoming loose at full drop

The asphalt pan is notched in the front to 3-7/8" for crossmember clearance and requires a reverse mount starter

5 AN Hose Barb to Quick Release Plug

Perfect for listening to your favorite tracks while talking to your buddies

Chevy 1957-58

BBK High-Flow Catted Exhaust X-Pipe - 2-1/2 in Diameter - Ford Modular - Ford Mustang 1999-2004 Cell Phone Holder A take-up or helper springBBK High Flow performance X pipes are designed to maximize the horsepower and torque of your 1999 2004 Ford Mustang GT 4. 6L 2V and Cobra 4. 6L 4V. Every BBK Performance X pipe is designed as a direct replacement for the factory pipe and features larger diameter 16 gauge 2 1 2 CNC mandrel bent aluminized steel tubing with a unique BBK center X section for improved exhaust extraction, along with high flow catalytic converters to help increase exhaust