For Manual Transmissions - Comes with cats and 2.5" cat back
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.
2.37" stainless steel with quad 100mm polished tips
From the 2013 model year
2.37" stainless steel with quad 100mm black Cerakote tips
From the 2013 model year
Unleashes a throaty growl and exotic tone that exudes the sound of performance
This product was last offered at the strikethrough price on
06-28-2026
2.37" stainless steel with quad 80mm polished tips
Up to the 2012 model year
2.25" stainless steel with quad 76.2mm polished tips
2.5" stainless steel with quad 3.5" polished stainless tips
Increased Power and Torque, Massive 6.5" Design, Faster Turbo Spool, and Improved Exhaust Note
2.37" stainless steel with dual oval black Cerakote tips
Up to the 2012 model year
Upgrade your ride with the Valvetronic Designs universal valve muffler kit, a premium T304 stainless steel solution that delivers an aggressive, valved exhaust note at the click of a button
Gains of up to +17 horsepower with an additional +24 ft lbs of torque with a legendary exhaust note!
2.37" stainless steel with quad 100mm polished tips
From the 2013 model year
2.37" stainless steel with quad 80mm polished tips
Up to the 2012 model year
For Automatic Transmissions - Comes with cats and 2.5" cat back
2.37" stainless steel with dual black Cerakote oval tips
Up to the 2012 model year