aFe MACH Force-Xp 3 IN 409 Stainless Steel Cat-Back Exhaust System w/Black Tip (49-44039-B) 1691 Quality and Repeatability you can

Quality and Repeatability you can rely on

Individual heatshields keep out engine bay heat

8 Carrera RS4 1986 Porsche 928 Engine: 5

Increased Flow and Performance

aFe MACH Force-Xp 3 IN 409 Stainless Steel Cat-Back Exhaust System w/Black Tip (49-44039-B) 1691 Quality and Repeatability you canMach Force XP 409 SS Cat Back Exhaust System with Split Rear Exit (49 44039 B) by aFe. True muscle car sound. With Equalizer Balance Tube. Exhaust System Type: Cat Back. Exhaust Tubing Material: 409 SS. Main Tubing Diameter: 3". Exhaust System Sound: Aggressive Loud. Get increased exhaust flow, more horsepower and torque, improved performance and lower exhaust gas temperatures with the aFe Mach Force XP Cat Back Exhaust System. aFe dyno tests every