2015-2020 Audi S3 exhaust systems
83 exhaust systems for the 8V 2015-2020 Audi S3 (2.0T) from 19 brands. Cat-back and axle-back systems, mufflers, tips and valve controllers. A cat-back replaces the exhaust from the catalytic converter rearward. An axle-back replaces only the rear section.
Before you order
- Fitment is listed by engine and drivetrain. Confirm both on the retailer page.
- Tip finish and size are often a separate selection on the retailer page.
- Sound-level rules vary by state. A louder system can fail an inspection or roadside check.
- Listings are read from the retailer's 8V S3 sedan (2.0T, quattro) category. Confirm engine, drivetrain and model year on the retailer page before ordering.
Brands on this page: Milltek Sport (20), Valvetronic Designs (12), Scorpion (8), Supersprint (7), Unitronic (6), ECS (5), Armytrix (4), XForce (4), AFE (3), APR (3), AWE (2), CTS (2), 034Motorsport (1), Doorbusters (1), Euro Sport Acc (1), Integrated Engineering (1), MBRP (1), Neuspeed (1), SPA Performance (1).
Cat Back (38)
AFE · Part no. 49-36442-B
MACH Force-Xp Stainless Steel Cat-Back Exhaust System W/ Black Tips
This system produces a deep sound unleashing all available horsepower and torque.
AFE · Part no. 49-36442-C
MACH Force-Xp Stainless Steel Cat-Back Exhaust System W/ Carbon Fiber Tips
This system produces a deep sound unleashing all available horsepower and torque.
AFE · Part no. 49-36442-P
MACH Force-Xp Stainless Steel Cat-Back Exhaust System W/ Polished Tips
This system produces a deep sound unleashing all available horsepower and torque.
APR · Part no. CBK0003
APR 8V S3 Cat-Back Exhaust System - Valved
The APR Catback Exhaust System personalizes your vehicle’s looks, sound and performance
Retailer fitment note: Fits both pre and post facelift sedan models
APR · Part no. CBK0004
APR 8V S3 SportBack Cat-Back Exhaust System - Valved
The APR Catback Exhaust System personalizes your vehicle’s looks, sound and performance
Retailer fitment note: For ROW S3 SportBack models only. Will not fit S3 Sedan models.
AWE · Part no. AWE8VS3SP
AWE SwitchPath Exhaust System - Audi 8V S3
Features a valved passenger-side tip outlet and retains the factory valve behavior based on throttle input, engine speed, and Drive Select.
AWE · Part no. AWE8VS3TK
AWE Track Edition Exhaust System - Audi 8V S3
Takes all of the precision engineering and performance of its SwitchPath™ counterpart, minus the valve on the passenger’s side and the muffler on the driver’s side. The result is a constant “valve open” mode.
Armytrix · Part no. AUVS4-QS11B
ARMYTRIX Stainless Steel Valvetronic Catback Exhaust System - Quad Blue Coated 3.5" Tips
Gains up to +10 horsepower with an additional +10 ft lbs of torque with a legendary exhaust note!
Armytrix · Part no. AUVS4-QC11
ARMYTRIX Stainless Steel Valvetronic Catback Exhaust System - Quad Carbon 3.5" Tips
Gains up to +10 horsepower with an additional +10 ft lbs of torque with a legendary exhaust note!
Armytrix · Part no. AUVS4-QS11C
ARMYTRIX Stainless Steel Valvetronic Catback Exhaust System - Quad Chrome Silver 3.5" Tips
Gains up to +10 horsepower with an additional +10 ft lbs of torque with a legendary exhaust note!
Armytrix · Part no. AUVS4-QS11M
ARMYTRIX Stainless Steel Valvetronic Catback Exhaust System - Quad Matte Black 3.5" Tips
Gains up to +10 horsepower with an additional +10 ft lbs of torque with a legendary exhaust note!
CTS · Part no. CTSEXH-CB-0020-1
Cat-back Exhaust System
3" stainless steel system with 3.5" quad double wall tips
Doorbusters · Part no. 015452LADBKT
8V S3 Valved Catback Exhaust System - With Luft-Technik Intake System - With Aluminum Heat Shield
Enhance the soudn and performance of your S3 with our Valved Catback Exhaust System and a Luft-Technik Intake System
Integrated Engineering · Part no. IEEXCI9
Catback Exhaust System
A unique deep rumble at low revs and an aggressive roar at high RPMs.
MBRP · Part no. S46013CF
3" Cat Back, Quad Split Rear Exit, Valve Delete, T304 With Carbon Fiber Tips
+21% increase in flow over factory mufflers.
Milltek Sport · Part no. SSXAU470
8V S3 Cat-Back Exhaust System - Non-Resonated - Valved
3" stainless steel with quad 100mm black Cerakote tips
Retailer fitment note: Valve motor from the OE exhaust is required for fitment.
Milltek Sport · Part no. SSXAU541KT
Cat-Back Exhaust System - Non-Resonated - Race Version
3" stainless steel with quad 100mm black Cerakote tips with valve delete module set
Milltek Sport · Part no. SSXAU543KT
Cat-Back Exhaust System - Non-Resonated - Race Version
3" stainless steel with quad 100mm Titanium tips with valve delete module set
Milltek Sport · Part no. SSXAU542KT
Cat-Back Exhaust System - Non-Resonated - Race Version
3" stainless steel with quad 100mm polished tips with valve delete module set
Milltek Sport · Part no. SSXAU472
Cat-Back Exhaust System - Non-Resonated - Valved
3" stainless steel with quad 100mm Titanium tips
Retailer fitment note: Valve motor from the OE exhaust is required for fitment.
Milltek Sport · Part no. SSXAU476
Cat-Back Exhaust System - Resonated - Valved
3" stainless steel with quad 100mm polished tips
Retailer fitment note: Valve motor from the OE exhaust is required for fitment.
Milltek Sport · Part no. SSXAU477
Cat-Back Exhaust System - Resonated - Valved
3" stainless steel with quad 100mm Titanium tips
Retailer fitment note: Valve motor from the OE exhaust is required for fitment.
Milltek Sport · Part no. SSXAU475
Cat-Back Exhaust System - Resonated - Valved
3" stainless steel with quad 100mm black Cerakote tips
Retailer fitment note: Valve motor from the OE exhaust is required for fitment.
Milltek Sport · Part no. SSXAU471
Cat-Back Exhaust System - non-Resonated - valved
3" stainless steel with quad 100mm polished tips
Retailer fitment note: Valve motor from the OE exhaust is required for fitment.
Neuspeed · Part no. 30.02.50.2
Stainless Steel Cat-Back Exhaust
Daily driving is void of intrusive cabin drones while an aggressively deep, rich sound is maximized during open throttle/high torque conditions.
Scorpion · Part no. SAUS051D
Cat-Back Exhaust System - Non-Resonated With Valves
3" T304 stainless, non-resonated exhaust system with quad polished daytona tips - Retains OE valve motors
Scorpion · Part no. SAUS051DC
Cat-Back Exhaust System - Non-Resonated With Valves
3" T304 stainless, non-resonated exhaust system with quad ceramic coated daytona tips - Retains OE valve motors
Scorpion · Part no. SAUS052D
Cat-Back Exhaust System - Non-Resonated Without Valves
3" T304 stainless, non-resonated exhaust system with quad polished daytona tips - Deletes factory valves
Scorpion · Part no. SAUS052DC
Cat-Back Exhaust System - Non-Resonated Without Valves
3" T304 stainless, non-resonated exhaust system with quad ceramic daytona tips - Deletes factory valves
Scorpion · Part no. SAU051DC
Cat-Back Exhaust System - Resonated With Valves
3" T304 stainless, resonated exhaust system with quad ceramic daytona tips - Retains OE valve motors
Retailer fitment note: Fits pre-facelift models (Will most likely fit facelift models, has yet to be confirmed by Scorpion)
Scorpion · Part no. SAU051D
Cat-Back Exhaust System - Resonated With Valves
3" T304 stainless, resonated exhaust system with quad polished daytona tips - Retains OE valve motors
Retailer fitment note: Fits pre-facelift models (Will most likely fit facelift models, has yet to be confirmed by Scorpion)
Scorpion · Part no. SAU052DC
Cat-Back Exhaust System - Resonated Without Valves
3" T304 stainless, resonated exhaust system with quad ceramic daytona tips - Deletes factory valves
Scorpion · Part no. SAU052D
Cat-Back Exhaust System - Resonated Without Valves
3" T304 stainless, resonated exhaust system with quad polished daytona tips - Deletes factory valves
Unitronic · Part no. UH054-EXA-BLACK
Unitronic Cat-Back Exhaust System - Round Black Tips
Maximum performance, while maintaining a comfortable and unobtrusive exhaust tone inside the cabin
Unitronic · Part no. UH054-EXA-CHROME
Unitronic Cat-Back Exhaust System - Round Chrome Tips
Maximum performance, while maintaining a comfortable and unobtrusive exhaust tone inside the cabin
XForce · Part no. ESAS3SVKCS
3" Varex Valved Cat-Back Exhaust System - 8V S3
Features brushed 304 stainless steel construction and quad 4" polished stainless tips
XForce · Part no. ES-AS313S
3" Varex Valved Cat-Back Exhaust System - With SmartBox - 8V S3
Features brushed 304 stainless steel construction and quad 4" polished stainless tips
XForce · Part no. ES-AS313H-VMKSB-
Audi 8V S3 Hatch Varex Valved Cat Back Exhaust With SmartBox
Unleash the full potential of your Audi S3 8V with the XFORCE VAREX 3” cat-back—race-bred performance, app-controlled sound, and head-turning quad-tip style in one complete stainless system.
Turbo Back (17)
Milltek Sport · Part no. SSXAU542
Cat-Back Exhaust System - Non-Resonated - Race Version
3" stainless steel with quad 100mm polished tips
Milltek Sport · Part no. SSXAU542KT1
Turbo-Back Exhaust System - Non-Resonated - Race Version
3" Large bore downpipe with Hi-Flow Sports cat and 3" stainless steel cat-back with quad 100mm Polished tips & valve delete module set
Milltek Sport · Part no. SSXAU541KT1
Turbo-Back Exhaust System - Non-Resonated - Race Version
3" Large bore downpipe with Hi-Flow Sports cat and 3" stainless steel cat-back with quad 100mm black Cerakote tips & valve delete module set
Milltek Sport · Part no. SSXAU543KT1
Turbo-Back Exhaust System - Non-Resonated - Race Version
3" Large bore downpipe with Hi-Flow Sports cat and 3" stainless steel cat-back with quad 100mm Titanium tips & valve delete module set
Milltek Sport · Part no. SSXAU381KT2
Turboback Exhaust System - Non-Resonated - Valved
3" Large bore downpipe with Hi-Flow Sports cat and 3" stainless steel cat-back with quad 100mm Titanium tips
Milltek Sport · Part no. SSXAU381KT1
Turboback Exhaust System - Non-Resonated - Valved
3" Large bore downpipe with Hi-Flow Sports cat and 3" stainless steel cat-back with quad 100mm polished tips
Milltek Sport · Part no. SSXAU381KT
Turboback Exhaust System - Non-Resonated - Valved
3" Large bore downpipe with Hi-Flow Sports cat and 3" stainless steel cat-back with quad 100mm black Cerakote tips
Milltek Sport · Part no. SSXAU381KT3
Turboback Exhaust System - Resonated - Valved
3" Large bore downpipe with Hi-Flow Sports cat and 3" stainless steel cat-back with quad 100mm black Cerakote tips
Milltek Sport · Part no. SSXAU381KT5
Turboback Exhaust System - Resonated - Valved
3" Large bore downpipe with Hi-Flow Sports cat and 3" stainless steel cat-back with quad 100mm Titanium tips
Milltek Sport · Part no. SSXAU381KT4
Turboback Exhaust System - Resonated - Valved
3" Large bore downpipe with Hi-Flow Sports cat and 3" stainless steel cat-back with quad 100mm polished tips
Supersprint · Part no. 771821KT1
3" TurboBack Exhaust System - Non-Resonated
100 cell catalytic converter with street muffler
Supersprint · Part no. 771841KT1
3" TurboBack Exhaust System - Non-Resonated
200 cell catalytic converter with street muffler
Supersprint · Part no. 771841KT
3" TurboBack Exhaust System - Resonated
200 cell catalytic converter with street muffler
Supersprint · Part no. 771821KT
3" TurboBack Exhaust System - Resonated
100 cell catalytic converter with street muffler
Supersprint · Part no. 771813
Center Pipe - Non-Resonated
Replaces the factory center resonator in full cat/turbo back Supersprint systems
Unitronic · Part no. UH080-BLK-EXA
Unitronic 8V/8V.2 S3 Turbo-Back Exhaust System - Black Tips
Featuring a GESi 5" UHO+ catalytic converter which flows into 3-inch T304 Stainless Steel mandrel bent tubing Cat-Back.
Unitronic · Part no. UH080-EXA
Unitronic 8V/8V.2 S3 Turbo-Back Exhaust System - Round Chrome Tips
Featuring a GESi 5" UHO+ catalytic converter which flows into 3-inch T304 Stainless Steel mandrel bent tubing Cat-Back.
Mufflers (13)
ECS · Part no. 044081LA01
Build-Your-Own Universal Vacuum-Actuated Valved Mufflers Kit
Choose between a 2.5" or 3.0" valved mufflers to complete your custom exhaust.
Valvetronic Designs · Part no. UVM63MMTSTYLEX1
Universal T-Style Valved Muffler Kit - Single Inlet / Dual Outlet - 2.5" (63mm) - 1 Muffler
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
Valvetronic Designs · Part no. UVM76MMTSTYLEX1
Universal T-Style Valved Muffler Kit - Single Inlet / Dual Outlet - 3.0" (76mm) - 1 Muffler
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
Valvetronic Designs · Part no. UVM63MMDUALOUTX1
Universal Valved Muffler Kit - Single Inlet / Dual Outlet - 2.5" (63mm) - 1 Muffler
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
Valvetronic Designs · Part no. UVM63MMDUALOUTX2
Universal Valved Muffler Kit - Single Inlet / Dual Outlet - 2.5" (63mm) - 2 Mufflers
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
Valvetronic Designs · Part no. UVM76MMDUALOUTX1
Universal Valved Muffler Kit - Single Inlet / Dual Outlet - 3.0" (76mm) - 1 Muffler
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
Valvetronic Designs · Part no. UVM76MMDUALOUTX2
Universal Valved Muffler Kit - Single Inlet / Dual Outlet - 3.0" (76mm) - 2 Mufflers
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
Valvetronic Designs · Part no. UVM.63MM.X1
Universal Valved Muffler Kit - Single Inlet / Single Outlet - 2.5" (63mm) - 1 Muffler
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
Valvetronic Designs · Part no. UVM.63MM.X2
Universal Valved Muffler Kit - Single Inlet / Single Outlet - 2.5" (63mm) - 2 Mufflers
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
Valvetronic Designs · Part no. UVM.76MM.X1
Universal Valved Muffler Kit - Single Inlet / Single Outlet - 3.0" (76mm) - 1 Muffler
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
Valvetronic Designs · Part no. UVM.89MM.X2
Universal Valved Muffler Kit - Single Inlet / Single Outlet - 3.0" (76mm) - 2 Mufflers
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
Valvetronic Designs · Part no. UVM.76MM.X2
Universal Valved Muffler Kit - Single Inlet / Single Outlet - 3.0" (76mm) - 2 Mufflers
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
Valvetronic Designs · Part no. UVM.89MM.X1
Universal Valved Muffler Kit - Single Inlet / Single Outlet - 3.5" (89mm) - 1 Muffler
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
Mid Pipes (7)
034Motorsport · Part no. 034-105-7041
034Motorsport Res-X Resonator Delete
Unleashes a throaty growl and exotic tone that exudes the sound of performance
CTS · Part no. CTS-EXH-TP-0007
CTS Resonator Delete Kit
Deepen the exhaust note without replacing the entire exhaust system
ECS · Part no. 020296ECS02KT
MK7 Golf R / 8V A3/S3 Resonator Delete Pipe Kit
Add an aggressive exhaust sound with this Resonator Delete Pipe Kit!
Euro Sport Acc · Part no. 1770027
Euro Sport Resonator Delete Pipe
Add some performance sound to the otherwise quiet Golf R & Audi S3 exhaust.
Unitronic · Part no. UH003-EX4
Unitronic 3" V-Band Turbo-Back Link - MQB AWD
Used to connect a 3" downpipe and 3" cat-back equipped with V-Band fastening systems
Unitronic · Part no. UH084-EXA
Unitronic Resonator Delete Kit - MQB AWD
Replaces the restrictive factory resonator to deliver a deeper, more aggressive exhaust note
XForce · Part no. ES-VW09-RDP
MK7/7.5/S3 3" OE Resonator Delete Pipe
Increase sound with your stock exhaust!
Valve Controller (3)
APR · Part no. MS100170
APR Exhaust Remote
Lets you override the factory exhaust valve operation to fully open the valves at the press of a button!
ECS · Part no. 004788LA01
Remote Vacuum Exhaust Valve Control Kit
Control your exhaust valves with the click of a button! Includes a standalone vacuum pump, wiring, vacuum hose, and controllers.
Milltek Sport · Part no. MSVALVEDELX2
Valve Delete Module - Pair
This system eliminates the factory exhaust valve system
Retailer fitment note: *Required for fitment of non-ValveSonic Milltek Cat-Back systems on vehicles that have factory exhaust valves.
Cutout (2)
ECS · Part no. 020923ECS02
Build-Your-Own Universal Vacuum-Actuated Exhaust Cutout Kit - Dual Cutouts
Increase HP/TQ and activate a full race exhaust with the flip of a switch, with our ECS Vacuum-Actuated Exhaust Cutouts
ECS · Part no. 020923ECS01
Build-Your-Own Universal Vacuum-Actuated Exhaust Cutout Kit - Single Cutout
Increase HP/TQ and activate a full race exhaust with the flip of a switch, with our ECS Vacuum-Actuated Exhaust Cutout
Axle Back (2)
Supersprint · Part no. 771854KT
Performance Axle-Back Kit
Includes rear exhaust section with muffler and quad tips
Supersprint · Part no. 771854
Rear Exhaust Section With Muffler
409 hi-grade Stainless steel dual exit rear exhaust with silencer
Manifold (1)
SPA Performance · Part no. TMA11
T3 Twin Scroll Turbo Exhaust Manifold Transverse Engines
Increase HP and Air flow!
More 2015-2020 Audi S3 parts
- 2015-2020 Audi S3 downpipes
- 2015-2020 Audi S3 exhaust tips
- 2015-2020 Audi S3 intakes
- 2015-2020 Audi S3 charge pipes
- 2015-2020 Audi S3 tunes & engine software
- 2015-2020 Audi S3 intercoolers & charge cooling
- 2015-2020 Audi S3 turbochargers & turbo parts
- 2015-2020 Audi S3 fuel & ignition
- 2015-2020 Audi S3 cooling upgrades
- 2015-2020 Audi S3 engine & mounts
- 2015-2020 Audi S3 drivetrain
- 2015-2020 Audi S3 coilovers
- 2015-2020 Audi S3 lowering springs
- 2015-2020 Audi S3 suspension & chassis
- 2015-2020 Audi S3 brake upgrades
- 2015-2020 Audi S3 wheel spacers & hardware
- 2015-2020 Audi S3 front lips & splitters
- 2015-2020 Audi S3 spoilers & wings
- 2015-2020 Audi S3 rear diffusers
- 2015-2020 Audi S3 exterior & aero
- 2015-2020 Audi S3 interior