aFe Large Bore-HD 4 IN 409 Stainless Steel Cat-Back Exhaust System w/ Polished Tip (49-44002) 18140 ZT2-HDR4 kit features ACT's most

ZT2-HDR4 kit features ACT's most popular Heavy Duty pressure plate

BHP: 180 2004 Audi TT Quattro Engine: 1

1000 cfm Performance 360 deg

2 Stingray 2016 Chevrolet Corvette Submodel: Z51 Performance Package

aFe Large Bore-HD 4 IN 409 Stainless Steel Cat-Back Exhaust System w/ Polished Tip (49-44002) 18140 ZT2-HDR4 kit features ACT's mostLarge Bore HD 409 SS Cat Back Exhaust System with Single Side Exit (49 44002) 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