GLC63 Performance Downpipes

Modal Works
In stock

3.5” entry diameter

Get ready for improved performance and sound with the ModalWorks M177 aftermarket downpipes for the 2017+ GLC63. These downpipes improve performance, reduce back pressure, reduce initial turbo lag and greatly enhance the exhaust note. With smooth exhaust transitions and integrated heat shields we offer some of the best thermal and flow performing downpipes on the market.

Compatible Vehicles:

2021 Mercedes GLC63 AMG

2020 Mercedes GLC63 AMG

2019 Mercedes GLC63 AMG

2018 Mercedes GLC63 AMG

2017 Mercedes GLC63 AMG

2021 Mercedes GLC63 AMG S

2020 Mercedes GLC63 AMG S

2019 Mercedes GLC63 AMG S

2018 Mercedes GLC63 AMG S

2017 Mercedes GLC63 AMG S

Key Features:

  • 3.5" turbo exit to 3” inner diameter throughout

  • Manufactured with high-quality 304 stainless steel

  • Thermally wrapped stainless heat-shielded pipes that reduce radiant heat transfer up to 70%

  • 10lbs lighter than OEM units

  • Increased HP and Torque, especially when coupled with our M177 handheld tuner upgrade

  • Reduced turbo lag and better throttle response with significantly improved exhaust flow

  • Catless or 200cpsi Euro 5 spec high flow cat options available.


THESE PARTS ARE LEGAL FOR USE ONLY IN COMPETITION RACING VEHICLES AS DEFINED UNDER CALIFORNIA LAW, AND ARE NOT LEGAL FOR USE IN ANY OTHER MOTOR VEHICLE. California law defines a "racing vehicle" as "a competition vehicle not used on public highways." (Calif. Health & Safety Code 39048) These parts may only be used on competition racing vehicles operated exclusively on a closed course in conjunction with a sanctioned racing event. Competition-only motor vehicles may not be driven to a racing event on a public highway and must be transported on a trailer or other carrier. USE OF THESE PARTS IN ANY OTHER VEHICLE MAY SUBJECT YOU TO FINES AND PENALTIES FOR VIOLATION OF FEDERAL AND/OR STATE LAW, WILL VOID YOUR WARRANTY FROM ModalWorks, Inc. , AND CAN VOID YOUR VEHICLE'S WARRANTY. It is your responsibility to comply with all applicable federal and state laws relating to use of these parts, and ModalWorks, Inc. hereby disclaims any liability resulting from the failure to use these parts in compliance with all applicable federal and state laws.

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