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Fabspeed Primary Sport Cat Downpipes (w/ HJS Cats)

List price: USD 3,196
USD 2,927
You save: USD 269 (8%)
Save 8%
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Fabspeed Primary Sport Cat Downpipes with HJS High Flow Cats for BMW M5 (F1x) [S63]

Eliminate the heavy and restrictive factory catalytic converters with HJS German Tri-metallic imported 200 cell 92% flow high flowing stainless steel downpipes for maximum power and an exhilarating sound.


  • Fits all BMW F10 M5 vehicles (2011+).
  • Replaces the restrictive factory catalytic converters with ultra premium quality HJS German emissions technology extra large 200CPSI catalytic converters for increased throttle response, and a more aggressive exhaust sound.
  • Constructed out of T304L stainless steel with CNC machined flanges and laser cut brackets.
  • Manufactured entirely in-house by our precision machine shop at Fabspeed Motorsport.
  • Ultimate quality designed, engineered, Dyno developed at Fabspeed with 25 years of Excellence.
  • Designed to fit seamlessly with the factory rear cat-back F10 M5 exhaust system and are also compatible with any other aftermarket exhaust system that is designed to accept fitment of the BMW OEM catalytic converters.
  • Includes two downpipes, labeled left side and right side for easy installation, with hardware included.
  • Bolt-On and enjoy guaranteed NO Check Engine Lights with HJS Germany Fabspeed quality.


  • BMW M5 (F10) [S63]


Fabspeed Motorsport
Vehicle Fitment:
  • BMW M5 (F1x) [S63]


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