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BMW G90 M5 Complete Downpipes System
Take your BMW G90 M5 to the next level with the REDSTAR EXHAUST Complete Downpipes System designed for the S68 engine. Replacing both the primary and secondary factory exhaust sections, this bolt-on system significantly improves exhaust flow for increased power, sharper throttle response, and a more aggressive exhaust tone. Precision-engineered for an OEM-style fit, it delivers a seamless installation, enhanced performance, and a driving experience worthy of BMWβs flagship M sedan.
Description
Compatible Vehicles:
- 2025+ G90 M5
- 2025+ G99 M5 Touring
*Available Options:
- HJS HD 200cpsi- Ultra High-Performance catalytic converters. Made in Germany. The most reputed converters for their outstanding characteristics, quality and durability. These extremely robust converters allow you to achieve flow numbers close to straight pipes while meeting strict Euro 6 emissions standards. >> Read more about HJS cats.
- GESI GEN2 400cpsi- catalytic converters rated for 1000hp. The new GEN2 series provides a significant improvement in exhaust flow over stock and offers the latest emissions technology. EPA Compliant catalytic converters have been third-party lab tested to meet or exceed local emissions standards in North America (excluding California) >> Read more about G-Sport by GESI cats.
- OEM-style Heat Shielding- with ceramic inner liner, the best way to reduce radiant heat up to 70%. Usual thermal wraps not even close in effectiveness and durability to the Heat Shields. Must have option for the engines with turbochargers are located between the cylinder banks.
- Straight Tunable 02 Spacers - Comes with 3 inserts to restrict flow to the 02 sensor and help set ready and prevent Engine Light conditions when using the Competition model without proper tuning.
Main Features:
- Significant power gain
- Faster spool up and better throttle response
- Increasing the life of the turbos
- Reducing under hood temperature
- Adds a very nice tone to the exhaust
- 100% bolt-on installation
- 100% TIG welded and back purged
- Highest quality 2.0mm wall 304 stainless steel
- OEM-spec flanges
- All brackets and mounts as on OEM unit
- Limited lifetime warranty
Shipping:
We offer WORLDWIDE shipping. Once you create your account your order will update with the appropriate shipping cost. Please, ask us for details and availability.
Notes:
CEL Free Guide: Donβt want to tune and want to be cel free checkout our CEL Free High Flow Cat Guide by clicking Here.
OFF ROAD/MOTORSPORT USE ONLY!
This product is not designed to meet any emissions/noise standards and is not for street or highway use. This product is not certified and may not be legal for use on emissions controlled vehicles in any country/jurisdiction.
Product Details
Data sheet
- Engine Type
- 4.4L Twin Turbo
Take your BMW G90 M5 to the next level with the REDSTAR EXHAUST Complete Downpipes System designed for the S68 engine. Replacing both the primary and secondary factory exhaust sections, this bolt-on system significantly improves exhaust flow for increased power, sharper throttle response, and a more aggressive exhaust tone. Precision-engineered for an OEM-style fit, it delivers a seamless installation, enhanced performance, and a driving experience worthy of BMWβs flagship M sedan.