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  • Eliminate the heavy and restrictive secondary factory catalytic converters with straight-pipe, high flowing stainless steel downpipes for maximum power and an exhilarating sound
  • Eliminate the heavy and restrictive secondary factory catalytic converters with straight-pipe, high flowing stainless steel downpipes for maximum power and an exhilarating sound.
  • Comparison from Stock on the left to our Cat Bypass Pipes on the Right.
  • Dyno Graph Showing our Secondary Cat Bypass Pipes versus Stock System. Showing enormous gains of 168 ft.lbs of Torque and 75 horsepower at 2300 RPM.
  • Dyno Graph Showing our Secondary Cat Bypass Pipes versus Stock System. Showing gains of 54 ft.lbs of Torque and 64 horsepower at 6200 RPM.
  • Dyno Graph Showing our Sportcats paired with Secondary Cat Bypass Pipes versus Stock System. Showing enormous gains of 128 ft.lbs of Torque and 60 horsepower at 2500 RPM.
  • Dyno Graph Showing our Sportcats paired with Secondary Cat Bypass Pipes versus Stock System. Showing gains of 54 ft.lbs of Torque and 63 horsepower at 6100 RPM.

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BMW M5 F90 Secondary Cat Bypass Pipes

SKU:
FS.BMW.F90.SCB
$1,495.00

Other Details

HP (WHP):
+64

TQ (ft/lbs):
+54

WT (lbs) / (Kg):
-2.4 / -.73


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Fabspeed | BMW M5 F90 Product Line Debut (01:01)
If your BMW F90 M5 is not living up to your Performance Expectations of a M-Series vehicle we can help. We designed and tested a whole line-up of products featuring Secondary Cat Bypass, Sport Catalytic Converters, Valvetronic Exhaust, Muffler Bypass, and ECU tune.  Let me give you the rundown on these products. Once our R&D team got their hands on the M5 they started to meticulously dissect the primary and secondary catalytic converters, because after 25 years of experience we have learned the impact they have on robbing performance. After redesigning and improving the OEM catalytic converters our team took aim at the rear of the car and pulled the trigger on a Valvetronic system that has the best of both worlds, and a muffler bypass system for those more hardcore enthusiasts.  Our final step was a in-house ECU tune that brought all our products into harmony and proved the true potential that the M5 has. Fabspeed Motorsport has been setting the industry standard for quality and performance since 1994 and we continue to revolutionize the Exotic Car Industry. Visit us at https://www.fabspeed.com/

Product Description

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

FEATURES:

  • Fits all BMW F90 M5 vehicles (2017+)
  • Replaces the restrictive factory catalytic converters with a straight-through "straight-pipe" design for maximum power, increased throttle response, and an 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
  • Designed to fit seamlessly with the factory exhaust system and are also compatible with any other aftermarket exhaust system that is designed to fit like OEM
  • This product replaces the factory catalytic converters and may trigger a Check Engine Light

DISCLAIMER: This product removes the OEM catalytic converters from the vehicle, and as such, is strictly intended for closed track events and off-road use only. This product is or contains a Racing Cat Bypass Pipe, which will give you check engine lights on OBD2 cars. We suggest pairing this product with racing software to prevent fault codes and check engine lights. Racing Cat Bypass Pipes are solely intended for track and race cars as they are NOT California Air Resources Board Certified and not EPA certified. You are hereby informed and warned to check your local, state, and federals laws before buying and installing these or any aftermarket parts to be sure whether usage is in violation. All installation-risk and use-risk is borne by the end-user and installer of these parts.

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