Garage Auto Sports

GAS Exhaust Tunnel Brace, B8/B8.5/8R

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All braces will come powder-coated black and include new hardware.

After dealing with exhaust clearance issues for years on the B8 platform, we decided to solve the issue for good. 

Every B8 owner knows the struggle of installing an aftermarket exhaust system just to be met with a loud rattling sound on their first drive. You can space the factory bracket with nuts or washers, but this is a poor solution that greatly reduces body contact and reduces the effectiveness of the brace. Other billet options on the market exist, but due to their design can only offer a mild increase in exhaust clearance and have to be spaced with washers half of the time anyway.

We have put together a design that offers more clearance than any billet tunnel brace while being thicker than the OEM part and still sitting higher off the ground than the factory air guides for optimal ground clearance!

Other tunnel braces on the market: +5mm additional clearance

GAS tunnel brace: +15mm additional clearance


  • 3x more exhaust clearance than other braces on the market
  • More ground clearance than the factory brace
  • 4x thicker than the factory brace
  • Much prettier to look at
  • Compatible with every currently available exhaust system on the market, including dual 2.75" systems
  • Includes new hardware


  • 2009-2016 B8/B8.5 A4/S4/RS4
  • 2009-2016 B8/B8.5 A5/S5/RS5
  • 2009-2016 8Q Q5/SQ5
  • Replaces OEM 8K0803183C

C7 A6/S6/RS6 & A7/S7/RS7 braces are currently in development