BMW 550i 650i 750i G30 / 850i G15 G16/ X5 F15 / X6 F16 Downpipes

New product

REDSTAR EXHAUST BMW M550i 650i 750i 850i xDrive downpipes have a smooth transition from 3.5in OD section to OEM exhaust. Provides a huge increase in exhaust flow and will allow for a significant power gain.
*Please list in the comments VIN, year and model when ordering*

More details



  • Competition (catless)
  • HJS HD Euro6 200cpsi 130mm
  • GESI GEN1 UHO 300cpsi
  • GESI GEN2 UHO+ 400cpsi 5”
  • No Heat Shield
  • Include Heat Shield

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More info

Compatible Vehicles:

  • 2013-2019 M550i M650i M750i xDrive G30 (N63B44 engine)
  • 2013-2019 X5 F15 50i; X6 F16 50i (N63B44 engine)
  • 2020+ M850i G15 G16 (N63B44 engine)

Available Options:

  • GESI UHO 300cpsi- high-flow Metal Core Catalytic Converters. Rated 500-850hp. EPA certified for use on OBD2 vehicles (1996 and newer) 49 States.  >> Read more about G-Sport by GESI cats.
  • Ultra high-performance 200cpsi HJS HD- made in Germany metal core catalytic converters. >> 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.

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 V-band flanges
  • All brackets and mounts as on OEM unit


We offer WORLDWIDE shipping via DHL Express. It usually takes 6-12 days to any destination. Once you create your account your order will update with the appropriate shipping cost. Please, ask for details and availability.


This product is not designed to meet any emissions 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.

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