aFe 2.5in SS Cat-Back Exhaust | BMW 328i (07-13) E92/93 (49-36313) YMM_2013_2016_Porsche_Boxster_Spyder Designed to improve the interior

Designed to improve the interior look with a professional

or complex adjustments are typically required

Lowering range to improve handling and enhance vehicle stance

Regardless of the angle or offset diameter of the air intake

aFe 2.5in SS Cat-Back Exhaust | BMW 328i (07-13) E92/93 (49-36313) YMM_2013_2016_Porsche_Boxster_Spyder Designed to improve the interiorMach Force XP 304 SS Cat Back Exhaust System with Dual Rear Exit (49 36313) by aFe. Exhaust System Type: Cat Back. Exhaust Tubing Material: 304 SS. Main Tubing Diameter: 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, and constructs them from