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)