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X5M F85 / X6M F86 Downpipes

New product

REDSTAR Downpipes for BMW X5M F85 / X6M F86.

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  • No Heat Shield
  • Includes Heat Shield
  • Catless
  • GESI 300cpsi
  • HJS 200cpsi

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Compatible Vehicles:

  • 2015+ BMW X5M F85 S63B44 4.4 V8 Bi-Turbo
  • 2015+ BMW X6M F86 S63B44 4.4 V8 Bi-Turbo

*Available Options:

  • GESI UHO 7830 high-flow Metal Core Catalytic Converters by VibrantPerformance. Rated 500-850hp each. EPA certified for use on OBD2 vehicles (1996 and newer) 49 States.
  • HJS HD 200cpsi Ultra High-Performance catalytic converters. Made in Germany. No CEL issues, no ECU tuning required. The most reputed converters for their outstanding characteristics, quality and durability.
  • OEM-style Heat Shielding with ceramic inner liner (see last picture in the gallery) - 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.

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


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.