LAB BMW F90 M5 / F91-F93 M8 Downpipes – Track Use Only
📦 In Stock & Ships from Southern California within 1–2 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 40–50 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:
2018–2023 BMW M5 (F90)
2019–2023 BMW M8 Coupe (F92)
2019–2023 BMW M8 Convertible (F91)
2019–2023 BMW M8 Gran Coupe (F93)