Catback Exhaust System – BMW 3 / 4 Series F80 M3 F82 M4 14+

Manufactured from highest quality T304 grade stainless steel Free flowing system to get the most from the Iconic S55 engine Beautifully fully polished system complementing the iconic M3 and M4 models Designed to improve power and torque across the entire RPM range Noticeably improves throttle response