For Manual Transmissions - Comes with cats and 2.5" cat back
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Audi S4 Performance Exhaust Parts
- Axle Back
- Cat Back
- Catalytic Converter
- Center Section
- Complete System
- Downpipe
- Hardware
- Header
- Heat Wrap
- Manifold
- Midpipe
- Mufflers
- Tips
- Valve Controller
- X Pipes
Featuring Milltek Sport Hi-Flow sports cat, fits with OE and Milltek cat-back systems.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
2.37" stainless steel with quad 100mm polished tips
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
From the 2013 model year
Catted Downpipes with or without X pipe and with or without Integrated Baffling!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
2.37" stainless steel with quad 100mm black Cerakote tips
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
From the 2013 model year
2.37" stainless steel with quad 80mm polished tips
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Up to the 2012 model year
2.25" stainless steel with quad 76.2mm polished tips
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
2.5" stainless steel with quad 3.5" polished stainless tips
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Increased Power and Torque, Massive 6.5" Design, Faster Turbo Spool, and Improved Exhaust Note
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
2.37" stainless steel with dual oval black Cerakote tips
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Up to the 2012 model year
For substantial power gains, improved exhaust flow and a more throaty sound!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Gains of up to +17 horsepower with an additional +24 ft lbs of torque with a legendary exhaust note!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
2.37" stainless steel with quad 100mm polished tips
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
From the 2013 model year
Milltek Sport Cat-Back Exhaust System - Resonated With Exhaust Valves*Scratch And Dent*
2.50" stainless steel with quad GT-100 Cerakote black tips
ALL SALES FINAL. ITEMS MAY BE DAMAGED OR MISSING COMPONENTS. PLEASE SEE IMAGES BEFORE PURCHASING. Want To Haggle? Give Us A Call Or Chat To Make An Offer On This Product! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
This product was last offered at the strikethrough price on
05-02-2026
2.37" stainless steel with quad 80mm polished tips
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Up to the 2012 model year
For Automatic Transmissions - Comes with cats and 2.5" cat back
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms