Wallpaper Bmw M5 F90 Competition, green car, frontview, front view, BMW BMW M5 F90 M8 Downpipes BMW M5 F90 Chiptuning Fastlane Tuning F90 M5 M8 X5M X6M Catted Downpipes Active Autowerke. LAB BMW F90 M5 F91 F93 M8 Downpipes Track Use Only In Stock & Ships from Southern California within 12 Business Days Unlock the true performance of your BMW S63 engine with our LAB F90 F91 F92 F93 Downpipes. Designed to drastically improve exhaust flow and reduce backpressure, these downpipes deliver quicker turbo spool, sharper throttle response, and substantial horsepower gains. A precision engineered flex section reduces vibration and stress on your turbo system and chassis, ensuring long term reliability even under extreme performance conditions. Important: These downpipes are for track use only. They cannot be shipped to addresses in California unless purchased through a licensed performance shop. Contact your local shop to order. Performance Benefits: Faster turbo spool with reduced lag Noticeable horsepower and torque gains on tuned setups Capable of withstanding extreme exhaust heat and high boost levels Gains of up to 4050 HP on a tuned S63 with stock turbos Features: CNC machined flanges for precise OEM like fitment Smooth, mandrel bent large diameter piping for maximum flow Integrated flex section to reduce drivetrain stress and vibration TIG welded stainless steel construction for exceptional durability Deep, aggressive exhaust tone under load without excessive drone Fitment: Fits: 20182023 BMW M5 (F90) 20192023 BMW M8 Coupe (F92) 20192023 BMW M8 Convertible (F91) 20192023 BMW M8 Gran Coupe (F93)