Shop Our Clearance Sale - Up To 80% Off FREE SHIPPING on Orders $49+ *exclusions apply

Menu

Call Us330-331-2003 ChatLive Chat Text Us!
0 Shopping Cart
Your Vehicle

No Vehicle selected
Please select your vehicle below.

    • Audi
    • BMW
    • Mercedes Benz
    • MINI
    • Porsche
    • Volkswagen

Saved Vehicles

My Vehicles
You currently have no stored vehicles.

Recent Vehicles

Recent Vehicles Manage Vehicles

You currently have no recent vehicles.

We'll automatically keep fully selected vehicles here for your convenience.

Call Us330-331-2003 ChatLive Chat Text Us!
Track My Order View Order History Submit a Return Contact Us Wholesale Information Lifetime Replacement Returns and Warranty Information
0
Call Us330-331-2003 ChatLive Chat Text Us!
Track My Order View Order History Submit a Return Contact Us Wholesale Information Lifetime Replacement Returns and Warranty Information
Cancel
0
Sales & Specials
Enter Your Vehicle
garage-red
Your Vehicle Please tap 'Select' to pick a vehicle
Your Vehicle Please tap 'Select' to pick a vehicle
Select

Audi A3 Performance Cat-Back Exhausts

Sort By
Filter By
Return to Top

Performance Cat-Back Exhaust System

ES#3102518 - 140682 - Performance Cat-Back Exhaust System - 3.00" split into two 2.25" stainless steel with dual 3.50" polished stainless tips - Borla - Audi

3.00" split into two 2.25" stainless steel with dual 3.50" polished stainless tips

Brand:
Borla - Corporate Logo
ES#:
3102518
Mfg#:
140682
In Stock
$1399.99 USD
This product is lifetime replacement eligible Lifetime Replacement

8v A3 Quattro Valved Catback Exhaust System

ES#4431063 - 015517LA - 8v A3 Quattro Valved Catback Exhaust System - In-house engineered for Audi A3 enthusiasts! Featuring T304 SS Tig-welded 3.0" tubing, a center resonator and a valved muffler assembly. - ECS - Audi

In-house engineered for Audi A3 enthusiasts! Featuring T304 SS Tig-welded 3.0" tubing, a center resonator and a valved muffler assembly. 10X Entries Into Our F80 M3 Sweepstakes
Fits both pre and post facelift sedan models. Now available in LOUDER non-resonated variant!

Brand:
ECS - Corporate Logo
ES#:
4431063
Mfg#:
015517LA
Ships on Oct 29, 2026
Starting at $1174.49 USD
Customize
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

2.5" Cat-Back Exhaust System

ES#4487776 - 17705GSS-A - 2.5" Cat-Back Exhaust System - T304 Stainless Steel high flow cat-back exhaust system - Euro Sport Acc - Audi

T304 Stainless Steel high flow cat-back exhaust system

Brand:
Euro Sport Acc - Corporate Logo
ES#:
4487776
Mfg#:
17705GSS-A
Ships in 9 Business Days
$549.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Cat-Back Exhaust System - Non-Resonated

ES#2827619 - SSXAU504 - Cat-Back Exhaust System - Non-Resonated - 2.5" stainless steel with twin 76.2mm polished tips - Milltek Sport - Audi

2.5" stainless steel with twin 76.2mm polished tips

Brand:
Milltek Sport - Corporate Logo
ES#:
2827619
Mfg#:
SSXAU504
Ships on Oct 1, 2026
$1086.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Cat-Back Exhaust System - Resonated

ES#2827601 - SSXAU486 - Cat-Back Exhaust System - Resonated - 3" stainless steel with dual GT100 Titanium tips - Milltek Sport - Audi

3" stainless steel with dual GT100 Titanium tips

Brand:
Milltek Sport - Corporate Logo
ES#:
2827601
Mfg#:
SSXAU486
Ships in 6 Business Days
$1866.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Cat-Back Exhaust System - Resonated

ES#2827599 - SSXAU484 - Cat-Back Exhaust System - Resonated - 3" stainless steel with dual GT100 black Cerakote tips - Milltek Sport - Audi

3" stainless steel with dual GT100 black Cerakote tips

Brand:
Milltek Sport - Corporate Logo
ES#:
2827599
Mfg#:
SSXAU484
Ships in 6 Business Days
$1645.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Cat-Back Exhaust System - Resonated

ES#2827600 - SSXAU485 - Cat-Back Exhaust System - Resonated - 3" stainless steel with dual GT100 polished tips - Milltek Sport - Audi

3" stainless steel with dual GT100 polished tips

Brand:
Milltek Sport - Corporate Logo
ES#:
2827600
Mfg#:
SSXAU485
Ships in 6 Business Days
$1645.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Cat-Back Exhaust System - Non-Resonated

ES#2827598 - SSXAU483 - Cat-Back Exhaust System - Non-Resonated - 3" stainless steel with dual GT100 Titanium tips - Milltek Sport - Audi

3" stainless steel with dual GT100 Titanium tips

Brand:
Milltek Sport - Corporate Logo
ES#:
2827598
Mfg#:
SSXAU483
Ships on Oct 1, 2026
$1644.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Cat-Back Exhaust System - Non-Resonated

ES#2828101 - SSXVW046 - Cat-Back Exhaust System - Non-Resonated - 2.75" stainless steel with twin 76.2mm polished tips - Milltek Sport - Audi

2.75" stainless steel with twin 76.2mm polished tips

Brand:
Milltek Sport - Corporate Logo
ES#:
2828101
Mfg#:
SSXVW046
Ships in 6 Business Days
$814.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

3" Cat-Back Exhaust - Resonated

ES#4362383 - UH028-EXA - 3" Cat-Back Exhaust - Resonated - 3-inch T304 Stainless Steel Mandrel Bent Tubing - Unitronic - Audi

3-inch T304 Stainless Steel Mandrel Bent Tubing

Brand:
Unitronic - Corporate Logo
ES#:
4362383
Mfg#:
UH028-EXA
Ships in 6 Business Days
$1539.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Cat-Back Exhaust - Resonated

ES#4159404 - SSXAU568 - Cat-Back Exhaust - Resonated - 2.75" stainless steel with 80mm Titanium Tips - Milltek Sport - Audi

2.75" stainless steel with 80mm Titanium Tips

Brand:
Milltek Sport - Corporate Logo
ES#:
4159404
Mfg#:
SSXAU568
Ships in 6 Business Days
$1494.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Cat-Back Exhaust System - Non-Resonated

ES#2827597 - SSXAU482 - Cat-Back Exhaust System - Non-Resonated - 3" stainless steel with dual GT100 polished tips - Milltek Sport - Audi

3" stainless steel with dual GT100 polished tips

Brand:
Milltek Sport - Corporate Logo
ES#:
2827597
Mfg#:
SSXAU482
Ships in 6 Business Days
$1424.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Cat-Back Exhaust System - Non-Resonated

ES#2827596 - SSXAU481 - Cat-Back Exhaust System - Non-Resonated - 3" stainless steel with dual GT100 black Cerakote tips - Milltek Sport - Audi

3" stainless steel with dual GT100 black Cerakote tips

Brand:
Milltek Sport - Corporate Logo
ES#:
2827596
Mfg#:
SSXAU481
Ships in 6 Business Days
$1424.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

More About Performance Cat-Back Exhausts

Let your engine sing with a performance cat-back exhaust system from the best exhaust manufacturers in the business.

Let us help you find the parts that fit your Audi

ECS Tuning is not affiliated with any automobile manufacturers.
Manufacturer names and/or part numbers are used only for identification purposes.

Terms of Use Privacy Policy ECS Tuning is part of Enthusiast Auto Holdings