European Wholesale Parts

2017-2020 Audi RS3 exhaust systems

61 exhaust systems for the 8V 2017-2020 Audi RS3 (2.5T inline-five) from 12 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 RS 3 (2.5T, quattro) category. Confirm engine, drivetrain and model year on the retailer page before ordering.

Brands on this page: Milltek Sport (22), Valvetronic Designs (12), ECS (6), Supersprint (6), Integrated Engineering (4), XForce (3), Armytrix (2), Scorpion (2), 034Motorsport (1), APR (1), AWE (1), Unitronic (1).

Cat Back (36)

APR · Part no. CBK0041
APR Cat-Back Exhaust System - 8V RS3
T304 stainless-steel construction with dual 2.5" mandrel-bent brushed tubing with quad 2.5" outlets in dual 170x112mm ovalized tips
Check price at ECS Tuning for APR APR Cat-Back Exhaust System - 8V RS3 (opens the retailer site)
AWE · Part no. AWE8VRS3
AWE Exhaust System - Audi 8V RS 3 2.5T
Comprised of handcrafted 3-inch and 2.5-inch U.S.-sourced T304L stainless steel and available as valved SwitchPath™ or more unleashed Track Edition
Check price at ECS Tuning for AWE AWE Exhaust System - Audi 8V RS 3 2.5T (opens the retailer site)
Armytrix · Part no. AU8VR-DF4S39C
ARMYTRIX Stainless Steel Valvetronic Catback Exhaust System - Dual Chrome Oval Tips
The perfect legendary exhaust note for your 8V RS3!
Check price at ECS Tuning for Armytrix ARMYTRIX Stainless Steel Valvetronic Catback Exhaust System - Dual Chrome Oval Tips (opens the retailer site)
Armytrix · Part no. AU8VR-DF4S39M
ARMYTRIX Stainless Steel Valvetronic Catback Exhaust System - Dual Matte Black Oval Tips
The perfect legendary exhaust note for your 8V RS3!
Check price at ECS Tuning for Armytrix ARMYTRIX Stainless Steel Valvetronic Catback Exhaust System - Dual Matte Black Oval Tips (opens the retailer site)
ECS · Part no. 049530LA02KT
8V RS3 Race Exhaust System
Performance Catback Exhaust for pure unrestricted power and sound. This exhaust takes out all of the stop gates and pairs with the 2.5T for an iconic driving experience.
Check price at ECS Tuning for ECS 8V RS3 Race Exhaust System (opens the retailer site)
ECS · Part no. 049089LA01KT
8V RS3 Valved Cat-Back Exhaust System
Elevate your driving passion with an engaging, performance-oriented valved exhaust system for your DAZA-equipped 8V RS3!
Check price at ECS Tuning for ECS 8V RS3 Valved Cat-Back Exhaust System (opens the retailer site)
Integrated Engineering · Part no. IEEXCQ5
IE Performance Catback Exhaust - Audi RS3 8V
Let your 2.5L beast roar with the ultimate Audi RS3 exhaust system.
Check price at ECS Tuning for Integrated Engineering IE Performance Catback Exhaust - Audi RS3 8V (opens the retailer site)
Integrated Engineering · Part no. IEEXCQ4KT
RS3 Ultra-Performance Valved Catback Exhaust System - Satin Black Tips
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!
Retailer fitment note: *To be used with factory downpipe (Includes IE Y-pipe adapter to mate with factory downpipe - IEEXCQ3 / ES4159135)
Check price at ECS Tuning for Integrated Engineering RS3 Ultra-Performance Valved Catback Exhaust System - Satin Black Tips (opens the retailer site)
Integrated Engineering · Part no. IEEXCQ4
RS3 Ultra-Performance Valved Catback Exhaust System - Satin Black Tips
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!
Retailer fitment note: *To be used with IE downpipe IEEXCQO1 / ES3677700 (Does not include Y-pipe adapter to mate with factory downpipe)
Check price at ECS Tuning for Integrated Engineering RS3 Ultra-Performance Valved Catback Exhaust System - Satin Black Tips (opens the retailer site)
Milltek Sport · Part no. SSXAU985
80mm Race Catback With Burnt Titanium Tips
Non-Resonated
Check price at ECS Tuning for Milltek Sport 80mm Race Catback With Burnt Titanium Tips (opens the retailer site)
Milltek Sport · Part no. SSXAU983
80mm Race Catback With Polished Tips
Non-Resonated
Check price at ECS Tuning for Milltek Sport 80mm Race Catback With Polished Tips (opens the retailer site)
Milltek Sport · Part no. SSXAU984
80mm Race Catback With Titanium Tips
Non-Resonated
Check price at ECS Tuning for Milltek Sport 80mm Race Catback With Titanium Tips (opens the retailer site)
Milltek Sport · Part no. SSXAU741
Cat-Back Exhaust System - Non-Resonated
3.00" Stainless Steel with dual Polished oval tips - Retains valves from OE system
Check price at ECS Tuning for Milltek Sport Cat-Back Exhaust System - Non-Resonated (opens the retailer site)
Milltek Sport · Part no. SSXAU800
Cat-Back Exhaust System - Non-Resonated
3.00" Stainless Steel with dual burnt titanium oval tips - Retains valves from OE system
Check price at ECS Tuning for Milltek Sport Cat-Back Exhaust System - Non-Resonated (opens the retailer site)
Milltek Sport · Part no. SSXAU740
Cat-Back Exhaust System - Non-Resonated
3.00" Stainless Steel with dual Cerakote Black oval tips - Retains valves from OE system
Check price at ECS Tuning for Milltek Sport Cat-Back Exhaust System - Non-Resonated (opens the retailer site)
Milltek Sport · Part no. SSXAU799
Cat-Back Exhaust System - Non-Resonated
3.00" Stainless Steel with dual titanium oval tips - Retains valves from OE system
Check price at ECS Tuning for Milltek Sport Cat-Back Exhaust System - Non-Resonated (opens the retailer site)
Milltek Sport · Part no. SSXAU896
Cat-Back Exhaust System - Non-Resonated (3.15" Diameter)
3.15" Stainless Steel with dual Burnt Titanium oval tips - Retains valves from OE system
Check price at ECS Tuning for Milltek Sport Cat-Back Exhaust System - Non-Resonated (3.15" Diameter) (opens the retailer site)
Milltek Sport · Part no. SSXAU894
Cat-Back Exhaust System - Non-Resonated (3.15" Diameter)
3.15" Stainless Steel with dual Polished oval tips - Retains valves from OE system
Check price at ECS Tuning for Milltek Sport Cat-Back Exhaust System - Non-Resonated (3.15" Diameter) (opens the retailer site)
Milltek Sport · Part no. SSXAU895
Cat-Back Exhaust System - Non-Resonated (3.15" Diameter)
3.15" Stainless Steel with dual Titanium oval tips - Retains valves from OE system
Check price at ECS Tuning for Milltek Sport Cat-Back Exhaust System - Non-Resonated (3.15" Diameter) (opens the retailer site)
Milltek Sport · Part no. SSXAU893
Cat-Back Exhaust System - Non-Resonated (3.15" Diameter)
3.15" Stainless Steel with dual Cerakote Black oval tips - Retains valves from OE system
Check price at ECS Tuning for Milltek Sport Cat-Back Exhaust System - Non-Resonated (3.15" Diameter) (opens the retailer site)
Milltek Sport · Part no. SSXAU801
Cat-Back Exhaust System - Resonated
3.00" Stainless Steel with dual titanium oval tips - Retains valves from OE system
Check price at ECS Tuning for Milltek Sport Cat-Back Exhaust System - Resonated (opens the retailer site)
Milltek Sport · Part no. SSXAU738
Cat-Back Exhaust System - Resonated
3.00" Stainless Steel with dual Polished oval tips - Retains valves from OE system
Check price at ECS Tuning for Milltek Sport Cat-Back Exhaust System - Resonated (opens the retailer site)
Milltek Sport · Part no. SSXAU739
Cat-Back Exhaust System - Resonated
3.00" Stainless Steel with dual Cerakote Black oval tips - Retains valves from OE system
Check price at ECS Tuning for Milltek Sport Cat-Back Exhaust System - Resonated (opens the retailer site)
Milltek Sport · Part no. SSXAU802
Cat-Back Exhaust System - Resonated
3.00" Stainless Steel with dual burnt titanium oval tips - Retains valves from OE system
Check price at ECS Tuning for Milltek Sport Cat-Back Exhaust System - Resonated (opens the retailer site)
Milltek Sport · Part no. SSXAU892
Cat-Back Exhaust System - Resonated (3.15" Diameter)
3.15" Stainless Steel with dual Burnt Titanium oval tips - Retains valves from OE system
Check price at ECS Tuning for Milltek Sport Cat-Back Exhaust System - Resonated (3.15" Diameter) (opens the retailer site)
Milltek Sport · Part no. SSXAU891
Cat-Back Exhaust System - Resonated (3.15" Diameter)
3.15" Stainless Steel with dual titanium oval tips - Retains valves from OE system
Check price at ECS Tuning for Milltek Sport Cat-Back Exhaust System - Resonated (3.15" Diameter) (opens the retailer site)
Milltek Sport · Part no. SSXAU889
Cat-Back Exhaust System - Resonated (3.15" Diameter)
3.15" Stainless Steel with dual Cerakote Black oval tips - Retains valves from OE system
Check price at ECS Tuning for Milltek Sport Cat-Back Exhaust System - Resonated (3.15" Diameter) (opens the retailer site)
Milltek Sport · Part no. SSXAU890
Cat-Back Exhaust System - Resonated (3.15" Diameter)
3.15" Stainless Steel with dual Polished oval tips - Retains valves from OE system
Check price at ECS Tuning for Milltek Sport Cat-Back Exhaust System - Resonated (3.15" Diameter) (opens the retailer site)
Milltek Sport · Part no. SSXAU982
Race Cat-Back Exhaust System - Non-Resonated
80mm (3.15") stainless steel with dual Cerakote Black oval tips - Retains valves from OE system
Check price at ECS Tuning for Milltek Sport Race Cat-Back Exhaust System - Non-Resonated (opens the retailer site)
Scorpion · Part no. SAU083C
Cat-Back Exhaust System - Resonated With Evo Ceramic Tips
3.15" exhaust built to last with 304 stainless steel and engineered for dyno-proven power gains
Check price at ECS Tuning for Scorpion Cat-Back Exhaust System - Resonated With Evo Ceramic Tips (opens the retailer site)
Scorpion · Part no. SAU083
Scorpion Exhaust System - Resonated With Evo Tips
3.15" exhaust built to last with 304 stainless steel and engineered for dyno-proven power gains
Check price at ECS Tuning for Scorpion Scorpion Exhaust System - Resonated With Evo Tips (opens the retailer site)
Supersprint · Part no. 776113KT
Supersprint Cat-Back Exhaust System - Non-Resonated
100% Stainless steel "Twin Pipe Design" system with non-resonated center section - Retains factory exhaust valves
Check price at ECS Tuning for Supersprint Supersprint Cat-Back Exhaust System - Non-Resonated (opens the retailer site)
Supersprint · Part no. 776113KT1
Supersprint Cat-Back Exhaust System - Resonated
100% Stainless steel "Twin Pipe Design" system with resonated center section - Retains factory exhaust valves
Check price at ECS Tuning for Supersprint Supersprint Cat-Back Exhaust System - Resonated (opens the retailer site)
XForce · Part no. ESRS38VSVKCS
AUDI RS3 8V Sedan Varex Valved Cat Back Exhaust System
Transform your Audi RS3 8V Sedan with the XFORCE VAREX 3.5” valved cat-back OEM+ fitment, commanding race-ready sound on demand, and refined cruising at the push of a button.
Check price at ECS Tuning for XForce AUDI RS3 8V Sedan Varex Valved Cat Back Exhaust System (opens the retailer site)
XForce · Part no. ESRS38VSVKSB
AUDI RS3 8V Sedan Varex Valved Cat Back Exhaust System With SmartBox
Take total command of your Audi RS3 8V Sedan with the XFORCE 3.5” VAREX cat-back—OEM-integrated SmartBox control, race-bred flow, and on-demand sound that adapts to every drive.
Check price at ECS Tuning for XForce AUDI RS3 8V Sedan Varex Valved Cat Back Exhaust System With SmartBox (opens the retailer site)
XForce · Part no. ESRS317SVKCS
Twin 2.5" To 3" 304 Stainless Steel Cat Back Exhaust System With Varex Mufflers
Increase Sound and Power!
Check price at ECS Tuning for XForce Twin 2.5" To 3" 304 Stainless Steel Cat Back Exhaust System With Varex Mufflers (opens the retailer site)

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.
Check price at ECS Tuning for ECS Build-Your-Own Universal Vacuum-Actuated Valved Mufflers Kit (opens the retailer site)
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
Check price at ECS Tuning for Valvetronic Designs Universal T-Style Valved Muffler Kit - Single Inlet / Dual Outlet - 2.5" (63mm) - 1 Muffler (opens the retailer site)
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
Check price at ECS Tuning for Valvetronic Designs Universal T-Style Valved Muffler Kit - Single Inlet / Dual Outlet - 3.0" (76mm) - 1 Muffler (opens the retailer site)
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
Check price at ECS Tuning for Valvetronic Designs Universal Valved Muffler Kit - Single Inlet / Dual Outlet - 2.5" (63mm) - 1 Muffler (opens the retailer site)
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
Check price at ECS Tuning for Valvetronic Designs Universal Valved Muffler Kit - Single Inlet / Dual Outlet - 2.5" (63mm) - 2 Mufflers (opens the retailer site)
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
Check price at ECS Tuning for Valvetronic Designs Universal Valved Muffler Kit - Single Inlet / Dual Outlet - 3.0" (76mm) - 1 Muffler (opens the retailer site)
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
Check price at ECS Tuning for Valvetronic Designs Universal Valved Muffler Kit - Single Inlet / Dual Outlet - 3.0" (76mm) - 2 Mufflers (opens the retailer site)
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
Check price at ECS Tuning for Valvetronic Designs Universal Valved Muffler Kit - Single Inlet / Single Outlet - 2.5" (63mm) - 1 Muffler (opens the retailer site)
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
Check price at ECS Tuning for Valvetronic Designs Universal Valved Muffler Kit - Single Inlet / Single Outlet - 2.5" (63mm) - 2 Mufflers (opens the retailer site)
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
Check price at ECS Tuning for Valvetronic Designs Universal Valved Muffler Kit - Single Inlet / Single Outlet - 3.0" (76mm) - 1 Muffler (opens the retailer site)
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
Check price at ECS Tuning for Valvetronic Designs Universal Valved Muffler Kit - Single Inlet / Single Outlet - 3.0" (76mm) - 2 Mufflers (opens the retailer site)
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
Check price at ECS Tuning for Valvetronic Designs Universal Valved Muffler Kit - Single Inlet / Single Outlet - 3.0" (76mm) - 2 Mufflers (opens the retailer site)
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
Check price at ECS Tuning for Valvetronic Designs Universal Valved Muffler Kit - Single Inlet / Single Outlet - 3.5" (89mm) - 1 Muffler (opens the retailer site)

Mid Pipes (5)

034Motorsport · Part no. 034-105-7048
RES-X High-Flow Midpipes - Audi 8V RS3 & 8S TTRS
Unleash a throaty growl under hard acceleration that exudes the sound of performance, and warns bystanders that this isn't your average 5-cylinder!
Retailer fitment note: Fits 2018+ facelift models only
Check price at ECS Tuning for 034Motorsport RES-X High-Flow Midpipes - Audi 8V RS3 & 8S TTRS (opens the retailer site)
Milltek Sport · Part no. SSXAU588
Midpipes for 2.5TFSI EVO
Replaces the restrictive secondary midpipe - Fits both OE and Milltek Sport systems
Retailer fitment note: *** Not all vehicles come equipped with secondary cats, visual check recommended before ordering ***
Check price at ECS Tuning for Milltek Sport Midpipes for 2.5TFSI EVO (opens the retailer site)
Supersprint · Part no. 776103
Center Pipe With Resonator
To be installed as a kit with Supersprint rear muffler/tips #776135
Check price at ECS Tuning for Supersprint Center Pipe With Resonator (opens the retailer site)
Supersprint · Part no. 776113
Center Resonator Delete Pipe
To be installed as a kit with Supersprint rear muffler/tips #776135
Check price at ECS Tuning for Supersprint Center Resonator Delete Pipe (opens the retailer site)
Unitronic · Part no. UH034-EXA
Unitronic Midpipes for 2.5TFSI EVO
Give your RS 3 or TT RS a more sporty growl by eliminating the resonators.
Check price at ECS Tuning for Unitronic Unitronic Midpipes for 2.5TFSI EVO (opens the retailer site)

Turbo Back (3)

Integrated Engineering · Part no. IEEXCQ4KT1
RS3 Ultra-Performance Valved Turbo-Back Exhaust System - Satin Black Tips
The IE 304L Stainless system features the 3.5" IE Performance Downpipe, into 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
Check price at ECS Tuning for Integrated Engineering RS3 Ultra-Performance Valved Turbo-Back Exhaust System - Satin Black Tips (opens the retailer site)
Supersprint · Part no. 776113KT2
Supersprint Turbo-Back Exhaust System - Non-Resonated
100% Stainless steel system with full metallic high-flow cats, non-resonated center section, rear muffler w/polished tips
Check price at ECS Tuning for Supersprint Supersprint Turbo-Back Exhaust System - Non-Resonated (opens the retailer site)
Supersprint · Part no. 776113KT3
Supersprint Turbo-Back Exhaust System - Resonated
100% Stainless steel system with full metallic high-flow cats, resonated center section, rear muffler w/polished tips
Check price at ECS Tuning for Supersprint Supersprint Turbo-Back Exhaust System - Resonated (opens the retailer site)

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
Check price at ECS Tuning for ECS Build-Your-Own Universal Vacuum-Actuated Exhaust Cutout Kit - Dual Cutouts (opens the retailer site)
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
Check price at ECS Tuning for ECS Build-Your-Own Universal Vacuum-Actuated Exhaust Cutout Kit - Single Cutout (opens the retailer site)

Valve Controller (2)

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.
Check price at ECS Tuning for ECS Remote Vacuum Exhaust Valve Control Kit (opens the retailer site)
Milltek Sport · Part no. SSXAU746
Active Valve Control System
Gain complete control of the OE exhaust valves on factory and Milltek Sport exhaust systems
Check price at ECS Tuning for Milltek Sport Active Valve Control System (opens the retailer site)