FI Exhaust Valvetronic Cat-Back System - F8X M3/M4 Quad Tip Finish:Gold 5″ exhaust which eliminates the

5″ exhaust which eliminates the muffler and shaves an additional 18 lbs of weight over the standard street/race exhaust

OEM arms not included

needles etc

2016 – 2019 F20 & F21 140I & 140iX (1st & 2nd Gen B58 Engine)

2 Carbon Fiber Sealed Intake Ducts

FI Exhaust Valvetronic Cat-Back System - F8X M3/M4 Quad Tip Finish:Gold 5″ exhaust which eliminates theFront Pipe + Mid X Pipe + Valvetronic Muffler + Quad Silver Tips(Compatible with OEM elect. Valve Stock Setting). Frequency Intelligent Valvetronic Exhaust System technology offers cutting edge intelligent ECU exhaust control valve, with an emphasis on the optimization of both acoustics and performance. It is a testament to their philosophy of the ultimate union of comfort and performance experience for the driver and passengers. When the valves are