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Seibon recommends professional installation due to potential fitment adjustments typical with aftermarket body parts
Aerodynamically optimized design for improved vehicle performance characteristics
Light to moderate pedal effort
Reduces Body Roll
aFe Large Bore-HD 4 IN 409 Stainless Steel Cat-Back Exhaust System w/ Polished Tip (49-42005) Stillen_Large_Parts Seibon recommends professional installation dueLarge Bore HD 409 SS Cat Back Exhaust System with Single Side Exit (49 42005) 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