CTS Turbo

CTS Turbo Turbo-Back Exhaust | 2013+ Audi S3 8V Sedan (CTS-EXH-TB-0020-1)

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Phone 1-888-627-3736

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High Flow Cat
CEL Eliminator

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Turbo-Back Exhaust for Audi 8V S3 Sedans by CTS Turbo

CTS Turbo has been dedicated to manufacturing performance parts for enthusiasts by enthusiasts since its inception. Our continued development of the Audi 8V S3 platform is not limitted to FMIC kits or Turbo kits, our all new 3" turbo-back exhaust system is evidence of that. The CTS Turbo 8V S3 3" turbo-back exhaust system is hand tig welded using the finest T304 stainless steel. Our exhaust system was designed for both street use and big turbo abuse. Other 8V S3 exhausts that are currently available can choke peak power and limit the breathing due to their 2.5"/2.75" construction. The 3" design of the CTS Turbo 8V S3 turbo-back is ideal those of us chasing serious horsepower.

Each CTS Audi S3 downpipe is 100% tig welded, constructed using 3" T304 Seamless Stainless Steel, and includes installation hardware and stainless steel clamps. Lesser products can be had without stainless steel construction, or with seamed stainless steel, which can crack and decay over time. The CTS Turbo 8V S3 downpipe eliminates the factory downpipe, increases turbo spool up, and peak power. The increased piping diameter of 3" allows for exhaust gases to exit the turbo and wastegate with less turbulence which all result in more power and torque throughout the entire powerband.


  • True 3" Stainless steel cat-back exhaust
  • Aggressive sound under hard driving, but subtle when cruising
  • Water jet cut flanges
  • CNC mandrel bent stainless steel piping
  • Polished stainless steel exhaust tubing
  • Adjustable double wall 3.5" round exhaust tips

To remove the CEL that will occur, proper tuning software must be used. Using Stage 2 software upgrade is strongly recommended. CTS Turbo also recommends choosing a High Flow Cat for the sake of our environment!


  • 2013+ Audi S3 8V Sedan

What's In The Box?

  • 1 - Turbo-Back Exhaust
  • Warranty Information



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