3.15" exhaust built to last with 304 stainless steel and engineered for dyno-proven power gains
Audi RS3 8V (2018+) 2.5T Performance Exhaust Parts & Upgrades
- Cat Back
- Catalytic Converter
- Complete System
- Cutout
- Downpipe
- Mid Pipes
- Mufflers
- Tips
- Turbo Back
- Valve Controller
- Clearance
3.15" exhaust built to last with 304 stainless steel and engineered for dyno-proven power gains
2.5" Clamp-on Inlet / 4.0" Single Wall, Slant Cut Outlet
10X Entries Into Our F80 M3 Sweepstakes
Not vehicle specific. You MUST measure prior to purchasing!
This product was last offered at the strikethrough price on
06-13-2026
The IE 304L Stainless system features a massive 3.5" straight-through center pipe that splits to dual 3" pipes out the back with the valves open - This is enough flow to power even the largest turbo setups!
*To be used with factory downpipe (Includes IE Y-pipe adapter to mate with factory downpipe - IEEXCQ3 / ES4159135)
100% Stainless steel system with full metallic high-flow cats, non-resonated center section, rear muffler w/polished tips
Includes Supersprint stainless downpipe pre-cat pipe and Supersprint High-Flow Metallic catalytic converters
100% Stainless steel system with full metallic high-flow cats, resonated center section, rear muffler w/polished tips
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
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
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
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
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