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  • Eliminate the heavy and restrictive factory catalytic converters with straight-pipe, high flowing stainless steel downpipes for maximum power and an exhilarating sound
  • Fabspeed's Primary Catbypass Downpipes for the BMW F80 / F82 / F83 M3 & M4 offer significant exhaust flow improvements and weight savings
  • Fabspeed's Primary Catbypass Downpipes installed on an BMW F82 M4
  • Each set of downpipes is made in-house at Fabspeed, everything from our CNC cut flanges down to the polishing and welding of each piece
  • A closer look at our CNC'ed flanges.

BMW M3 & M4 F80 / F82 / F83 Primary Catbypass Downpipes

SKU:
FS.BMW.F8X.PCBDP

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HP (whp)
+15
TQ (ft/lbs)
+16
WT (lbs)
-6

Product Details:

Eliminate the heavy and restrictive factory catalytic converters with straight-pipe, high flowing stainless steel downpipes for maximum power and an exhilarating sound.                                                                                                                         

FEATURES:

  • Fits all BMW F8x M3 & M4 vehicles (2015+)
  • The perfect option for track cars and those who seek the ultimate in agressive exhaust sound
  • Mandrel bent pipes with minimal welds to minimize failure under regular use and increase flow
  • Designed to fit seamlessly with the factory exhaust system, or as an add-on to Fabspeed's Valvetronic Exhaust System.  (Also compatible with any other aftermarket exhaust system that is designed to fit like OEM.)
  • Replaces the restrictive factory catalytic converters with a straight-through "straight-pipe" design for maximum power and exhaust sound.
  • This product replaces the factory catalytic converters and may trigger a Check Engine Light.

NOTE: Fabspeed’s product mentioned above is not C.A.R.B. certified and are for Off-Road Use ONLY in the state of California.  The purchaser or end user of this product is responsible to contact their state/county jurisdiction of their country of origin to see if this product is compliant with their local road usage.  

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