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Milltek Resonated Cat-Back Exhaust for 2016+ B9 Audi S4 Without Sport Diff


Quick Overview

Give your S4 the power, look, and sound that matches its amazing performance. Choose from various tip and resonator options to make it truly your own.

Sku # : Milltek-Audi-B9-S4-Base-Diff-Res-ED
Milltek Cat-Back Exhaust Audi B9 S4 2016+ Polished Tips
  • Deep growl under acceleration to give your S4 a head-turning sound
  • Increased power gives you the competetive edge over stock S4s
  • Various exhaust tip options let you customize the rear of your car and make it uniquely eye-catching


  • Full T304 Stainless Steel construction
  • Mandrel bent tubing for smooth airflow
  • Multiple tip color and shape options
  • Choose from resonated or non-resonated
  • Uses OEM Audi valve system for complete plug-and-play operation


  • 2016+ Audi B9 S4


Give your S4 the look, sound, and performance it deserves with the Milltek Cat-Back exhaust. This exhaust not only enhances the sound and look of your car, it will give you added performance thanks to the increased flow it offers over the stock exhaust system. No matter what look you're going for you can find an exhaust tip option that will work with your build. You also have choises when it comes to exhaust tone, if you want a deeper louder sound you can go with the non-resonated version, or for a more reserved tone you can get the resonated version. Fitment will depend on what differential your car was fitted with. Please verify you're buying for the sport differential if you have one, or choose from our list below.

Milltek Resonated Cat-Back for Audi S4 with Sport Differential
Milltek Resonated Cat-Back for Audi S4 without Sport Differential (current page)
Milltek Non-Resonated Cat-Back for Audi S4 with Sport Differential
Milltek Non-Resonated Cat-Back for Audi S4 without Sport Differential


Tip Options


Please contact us if you have questions about the Milltek Exhaust for the 2016+ Audi S4 [B9]
(714) 582-3330

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