BMW F90/F91/F92/F93 M5 & M8 Race Downpipes
The factory downpipes on the S63 platform are designed for emissions compliance and restrict exhaust flow. These high-flow race downpipes reduce backpressure, allowing the turbos to operate more efficiently, improving throttle response, increasing power, and producing a more aggressive exhaust tone.
With a less restrictive design, exhaust gases exit faster, helping the turbos spool quicker and deliver more consistent performance across the powerband.
Key Features
- Direct OEM fitment
- High-flow race design for maximum performance
- Significant reduction in exhaust restriction
- Improved turbo response and power output
- Increased exhaust volume and aggressive tone
- Precision CNC-machined flanges
- Mandrel-bent 304 stainless steel construction
- TIG-welded for strength and durability
- Compatible with factory and aftermarket exhaust systems
Build Quality
Manufactured from 304 stainless steel with smooth transitions and precision welds to ensure optimal exhaust flow and long-term durability under high heat and boost conditions.
Fitment
Fits:
- BMW F90 M5 (2018–2023)
- BMW F91 M8 Convertible (2020+)
- BMW F92 M8 Coupe (2020+)
- BMW F93 M8 Convertible (2020+)
Important Notes
- For off-road use only
- ECU tune required for optimal performance
- Check engine light may occur without proper tuning
- Professional installation recommended
- Please include your VIN in the order notes so we can confirm fitment and supply the correct product
- If installation is selected, this order will be shipped to our Burbank installation location for scheduled service
Shipping
- Estimated delivery: 4–8 business days
- Tracking provided once shipped
Warranty
- 36-month warranty covering manufacturer defects only
- Covers defects in materials or workmanship under normal use
Exclusions
- Does not cover improper installation
- Does not cover misuse, abuse, or neglect
- Does not cover normal wear and tear
- Does not cover damage caused by failing or reused components such as gaskets, clamps, or related hardware
Installation by BimmerTechsLA
- If installed by BimmerTechsLA, labor is covered under warranty for 36 months
- Labor coverage applies only to issues directly caused by a defect in the product
- Labor warranty does not cover issues caused by unrelated parts, pre-existing conditions, or customer-requested reuse of worn components
Installation & Delivery
- Installation available at BimmerTechsLA (Burbank, CA) upon request
- If installation is selected or a free-shipping/install code is used, your order will be shipped to our installation location, not to your address
- By selecting installation or using the install code, you agree to have your product delivered to BimmerTechsLA for scheduled service
- Local pickup is completed at our installation location after the service is performed