aFe Large Bore-HD 4 IN 409 Stainless Steel Cat-Back Exhaust System w/ Polished Tip (49-42002) 1670 throaty tone while maintaining factory

throaty tone while maintaining factory valve operation

The APR Boost Hose System is a comprehensive

By changing the block off plates behind the center tip you can adjust the SPL (Sound Pressure Level) to your taste

Fully serviceable Injen 8-Layer Oiled Cotton Gauze

This is because the single duct allows for the smoothest and most direct airflow path to the filter and the cross sectional area of the opening is not restrictive for this engine

aFe Large Bore-HD 4 IN 409 Stainless Steel Cat-Back Exhaust System w/ Polished Tip (49-42002) 1670 throaty tone while maintaining factoryLarge Bore HD 409 SS Cat Back Exhaust System with Single Side Exit (49 42002) by aFe. With Muffler Delete Pipe. Exhaust System Type: Cat Back. Exhaust Tubing Material: 409 SS. Main Tubing Diameter: 4". Exhaust System Sound: Aggressive Loud. Get increased exhaust flow, more horsepower and torque, improved performance and lower exhaust gas temperatures with the aFe Large Bore HD Cat Back Exhaust System. aFe dyno tests every system for maximum gains, and