aFe MACH Force-Xp 3 IN to 3-1/2 IN 409 Stainless Steel Cat-Back Exhaust w/ Black Tip (49-43068-B) 1642 and 5 gallon these tanks

and 5 gallon these tanks will hold just the right amount of air you are looking for

and a rotomolded plastic intake tube with smooth bends for increased airflow volume

Engineered for exact fitment on F80 M3 and F82 M4 models

high quality T-304 austenitic stainless steel

aFe MACH Force-Xp 3 IN to 3-1/2 IN 409 Stainless Steel Cat-Back Exhaust w/ Black Tip (49-43068-B) 1642 and 5 gallon these tanksMach Force XP 409 SS Cat Back Exhaust System with Single Side Exit (49 43068 B) by aFe. Exhaust System Type: Cat Back. Exhaust Tubing Material: 409 SS. Main Tubing Diameter: 3" to 3. 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, and constructs