aFe Power Downpipes (w/ HFC)

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aFe Power Downpipes (w/ HFC) for BMW X5M/X6M (F8x)

  • Horsepower Increase: +21 hp
  • Torque Increase: +29 ft.lbs

304 Stainless Steel Construction:
This down pipe is constructed of 3-1/2" - 3" mandrel-bent, brush finished 304 stainless steel tubing for maximum flow, corrosion resistance and quality finish.

High Flow Catalytic Converter:
High flow catalytic converter, less restrictive than factory converter for maximum flow.

V-Band Flange:
Quality CNC machined V-band flange mounts directly to the factory turbo for a leak-free sealing surface.

100% TIG-welded for race proven strength and durability.

Heavy Duty Interlock Flex Pipe:
This unit utilizes heavy duty flex tubing with internal interlock liners to reduce torque and stress.

Hassle-Free Install:
This one piece designed down-pipe features a factory-style V band flange, heavy duty flex tube and factory O2 sensor and auxiliary ports so there is no modifying, cutting or drilling for a hassle-free installation.

Where To Buy?   (Find Closest Store)


aFe Power
Vehicle Fitment:
  • BMW X5M (F85) [4.4L V8 Twin-Turbo S63]
  • BMW X6M (F86) [4.4L V8 Twin-Turbo S63]


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