Alfa Romeo Giulia Catalytic Bypass Downpipes - Quadrifoglio - Primary - Fabspeed

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Eliminate the heavy and restrictive factory catalytic converters with high flowing cat bypass downpipes for maximum power and an exhilarating sound.

Fabspeed's Direct Bolt-On Racing Straight Pipes replace the OEM factory restrictive catalytic converters for maximum exhaust flow and power throughout the RPM range. When racing, quality and reliability are at the top of the list so don't make any exceptions for your Alfa Romeo. Have peace of mind when upgrading your vehicle with the quality of Fabspeed products and services that it deserves.

  • Made in USA
  • Designed for the Alfa Giulia Type 952 Quadrifoglio
  • Cat Bypass Pipes / Competition Racing Pipes
  • Simple Direct Replacement
  • Bolt-On Straight Pipes that replace the OEM catalytic converters
  • CNC Machined Billet Stainless Steel Inlet Flanges
  • CNC Mandrel Bent Tubing
  • No Restriction for Competition Race Track Driving

Immediately unleash more sports car sound and power across the RPM band. Hear maximum turbocharged whistling.

Designed to work with any rear cat back exhaust systems (stock or aftermarket). The use of these pipes will trigger a check engine light. For all out maximum potential power when Racing Competition is your only objective and you have a software tune to maximize power and turn off cell lights.

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. This is a Special Made to Order Part. All sales are final on this item. Please ask any questions you may have prior to ordering.

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About Manufacturer



Fabspeed Motorsport is dedicated to delivering customers the highest quality performance upgrades with the industry’s best lifetime warranty. 

All products are handcrafted in Fort Washington, Pennsylvania by our very skilled and passionate fabricators with over 25 years experience.

Their sole mission is to design, engineer, and provide the world’s finest performance products and tuning for sportscars tailored to the desires of customers. 

Their dyno-developed, racetrack and road tested upgrades curate a superior symphonic sports car sound and the greatest performance gains known to the world-wide sports car community, backed up by a Lifetime Warranty.

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