aFe MACH Force-Xp 3 IN to 2-1/2 IN 409 Stainless Steel Cat-Back Exhaust w/ Black Tip (49-46029-B) 18210 Included in the kit is

Included in the kit is a reusable air filter

5" outer diameter

Fits the Edelbrock LS1 Intake Rails Only

9 Turbo 1980 Pontiac Firebird Engine: 5

Seamless Flow- CAD optimized design

aFe MACH Force-Xp 3 IN to 2-1/2 IN 409 Stainless Steel Cat-Back Exhaust w/ Black Tip (49-46029-B) 18210 Included in the kit isMach Force XP Stainless Steel Cat Back Exhaust System with Split Side Exit (49 46029 B) by aFe. Exhaust System Type: Cat Back. Exhaust Tubing Material: Stainless Steel. Main Tubing Diameter: 3" to 2. 5". 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 system for maximum gains,