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Audi S3 Catback

Looking for aftermarket parts to modify or upgrade your Audi S3 with catback? At Tunersports.com we carry a huge selection of the top name brand performance catback parts and accessories.

Catback Parts:

Only show in-stock parts

aFe Exhaust Cat Back

aFe
aFe Exhaust Cat Back 49-36442-B
IN STOCK - DROPSHIPS
49-36442-B
This MACH Force-Xp exhaust system is constructed of mandrel-bent stainless steel tubing for maximum strength and durability. Featuring a high-flow stainless steel muffler that produces a deepened tone, this system is guaranteed to gain attention. Due to the state-of-the-art computer-aided technology...
aFe MACHForce XP 3in-2.5in 304SS Exhaust Cat-Back 15-20 Audi S3 L4-2.0L (t) - Black Tips
2015-2019 Audi S3 Prestige
2015-2020 Audi S3 Premium Plus
2020-2020 Audi S3 Premium
$1,684.00
Details
aFe Exhaust Cat Back 49-36442-C
OUT OF STOCK
49-36442-C
This MACH Force-Xp exhaust system is constructed of mandrel-bent stainless steel tubing for maximum strength and durability. Featuring a high-flow stainless steel muffler that produces a deepened tone, this system is guaranteed to gain attention. Due to the state-of-the-art computer-aided technology...
aFe MACHForce XP 3in-2.5in 304SS Exhaust Cat-Back 15-20 Audi S3 L4-2.0L (t) - Carbon Tips
2015-2019 Audi S3 Prestige
2015-2020 Audi S3 Premium Plus
2020-2020 Audi S3 Premium
$1,684.00
aFe Exhaust Cat Back 49-36442-P
IN STOCK - DROPSHIPS
49-36442-P
This MACH Force-Xp exhaust system is constructed of mandrel-bent stainless steel tubing for maximum strength and durability. Featuring a high-flow stainless steel muffler that produces a deepened tone, this system is guaranteed to gain attention. Due to the state-of-the-art computer-aided technology...
aFe MACHForce XP 3in-2.5in 304SS Exhaust Cat-Back 15-20 Audi S3 L4-2.0L (t) - Polished Tips
2015-2019 Audi S3 Prestige
2015-2020 Audi S3 Premium Plus
2020-2020 Audi S3 Premium
$1,606.00
Details

Akrapovic Evo Cat Back - Titanium

Akrapovic
Akrapovic Evo Cat Back - Titanium S-AU/TI/17H
OUT OF STOCK
S-AU/TI/17H
This system is constructed using lightweight race-proven materials, titanium for the muffler and link pipe section, and carbon fibre for two sets of newly designed, hand-crafted tailpipes, delivering a result that is over 41% lighter in comparison to the standard stock system. The Evolution Line (T...
Akrapovic 2021+ Audi S3 Sportback (8Y) Evolution Line Cat Back (Titanium) w/Carbon Tips
2022-2025 Audi S3 Premium / Premium Plus / Prestige
2026-2026 Audi S3 Base
$6,086.23

AWE Tuning Cat-Back SwitchPath

AWE Tuning
AWE Tuning Cat-Back SwitchPath 3025-42068
IN STOCK - LOW
3025-42068
Smooth bends, tight packaging, and two attitudes. The SwitchPath™ Exhaust is comprised of handcrafted 3-inch and 2.5-inch U.S.-sourced T304L stainless steel with a valved passenger-side tip outlet. SwitchPath™ retains the factory valve behavior, and obeys the S3’s ECU commands based on throttl...
AWE Tuning Audi 8V S3 SwitchPath Exhaust w/Chrome Silver Tips 102mm
2015-2019 Audi S3 Prestige
2015-2020 Audi S3 Premium Plus
2020-2020 Audi S3 Premium
$2,255.00
Details
AWE Tuning Cat-Back SwitchPath 3025-43072
OUT OF STOCK
3025-43072
Smooth bends, tight packaging, and two attitudes. The SwitchPath™ Exhaust is comprised of handcrafted 3-inch and 2.5-inch U.S.-sourced T304L stainless steel with a valved passenger-side tip outlet. SwitchPath™ retains the factory valve behavior, and obeys the S3’s ECU commands based on throttl...
AWE Tuning Audi 8V S3 SwitchPath Exhaust w/Diamond Black Tips 102mm
2015-2019 Audi S3 Prestige
2015-2020 Audi S3 Premium Plus
2020-2020 Audi S3 Premium
$2,355.00

AWE Tuning Cat-Back Touring

AWE Tuning
AWE Tuning Cat-Back Touring 3015-42897
IN STOCK - LOW
3015-42897
Introducing the first AWE Exhaust for the Audi S3 to ever feature patented drone-canceling 180 Technology®. The Touring Edition features a 3” inlet complete with an adapter to accommodate the factory downpipe perfectly while leaving an open 3” connection. In the rear resides AWE’s patented 18...
AWE 22-24 Audi 8Y S3 Touring Edition Exhaust - Chrome Silver Tips
2022-2025 Audi S3 Premium / Premium Plus / Prestige
2026-2026 Audi S3 Base
$1,485.00
Details
AWE Tuning Cat-Back Touring 3015-43897
OUT OF STOCK
3015-43897
Introducing the first AWE Exhaust for the Audi S3 to ever feature patented drone-canceling 180 Technology®. The Touring Edition features a 3” inlet complete with an adapter to accommodate the factory downpipe perfectly while leaving an open 3” connection. In the rear resides AWE’s patented 18...
AWE 22-24 Audi 8Y S3 Touring Edition Exhaust - Diamond Black Tips
2022-2025 Audi S3 Premium / Premium Plus / Prestige
2026-2026 Audi S3 Base
$1,485.00

AWE Tuning Cat-Back Track

AWE Tuning
AWE Tuning Cat-Back Track 3015-42142
IN STOCK
3015-42142
For those who like it raw, rowdy, and light, the AWE Track Edition is for you. The Track Edition 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 “valv...
AWE Tuning Audi 8V S3 Track Edition Exhaust w/Chrome Silver Tips 102mm
2015-2019 Audi S3 Prestige
2015-2020 Audi S3 Premium Plus
2020-2020 Audi S3 Premium
$1,435.00
Details
AWE Tuning Cat-Back Track 3015-43150
IN STOCK
3015-43150
For those who like it raw, rowdy, and light, the AWE Track Edition is for you. The Track Edition 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 “valv...
AWE Tuning Audi 8V S3 Track Edition Exhaust w/Diamond Black Tips 102mm
2015-2019 Audi S3 Prestige
2015-2020 Audi S3 Premium Plus
2020-2020 Audi S3 Premium
$1,485.00
Details
AWE Tuning Cat-Back Track 3020-42897
IN STOCK - LOW
3020-42897
The Track Edition features a 3” inlet complete with an adapter to accommodate the factory downpipe perfectly while leaving an open 3” connection. Featuring minimal filter with one bullet resonator in the center, the Track Edition provides a full-bodied soundtrack at all times.. This configuratio...
AWE 22-24 Audi 8Y S3 Track Edition Exhaust - Chrome Silver Tips
2022-2025 Audi S3 Premium / Premium Plus / Prestige
2026-2026 Audi S3 Base
$1,225.00
Details
AWE Tuning Cat-Back Track 3020-43897
IN STOCK - LOW
3020-43897
The Track Edition features a 3” inlet complete with an adapter to accommodate the factory downpipe perfectly while leaving an open 3” connection. Featuring minimal filter with one bullet resonator in the center, the Track Edition provides a full-bodied soundtrack at all times.. This configuratio...
AWE 22-24 Audi 8Y S3 Track Edition Exhaust - Diamond Black Tips
2022-2025 Audi S3 Premium / Premium Plus / Prestige
2026-2026 Audi S3 Base
$1,225.00
Details

AWE Tuning Exhaust Conversion Kits

AWE Tuning
AWE Tuning Exhaust Conversion Kits 3815-11897
OUT OF STOCK
3815-11897
AWE 22-24 Audi 8Y S3 Track-to-Touring Conversion Kit
2022-2025 Audi S3 Premium / Premium Plus / Prestige
2026-2026 Audi S3 Base
$645.00
AWE Tuning Exhaust Conversion Kits 3820-11050
IN STOCK
3820-11050
If you're looking to have it cranked to 11 at all times, this is for you. The AWE SwitchPath™-to-Track Conversion kit replaces the rear muffler and valve section sections with straight-through, unfiltered Track Edition rear sections....
AWE Tuning Audi 8V S3 SwitchPath-to-Track Conversion Kit
2015-2019 Audi S3 Prestige
2015-2020 Audi S3 Premium Plus
2020-2020 Audi S3 Premium
$225.00 CLEARANCE
VIEW PRICE IN CART
Details
AWE Tuning Exhaust Conversion Kits 3820-11897
OUT OF STOCK
3820-11897
Converts existing AWE Touring Edition Exhausts into an AWE Track Edition Exhaust....
AWE 22-24 Audi 8Y S3 Touring-to-Track Conversion Kit
2022-2025 Audi S3 Premium / Premium Plus / Prestige
2026-2026 Audi S3 Base
$405.00
AWE Tuning Exhaust Conversion Kits 3825-11030
OUT OF STOCK
3825-11030
Take control of your car by swapping the rear Track Edition straight-sections for a bespoke muffler on the driver's side and a valves straight section on the passenger's side. Factory valve behavior is retained and controlled via driving modes. For complete control over your exhaust valve, we recomm...
AWE Tuning Audi 8V S3 Track-to-SwitchPath Exhaust Conversion Kit
2015-2019 Audi S3 Prestige
2015-2020 Audi S3 Premium Plus
2020-2020 Audi S3 Premium
$1,075.00

Borla Cat Back S-Type

Borla
Borla Cat Back S-Type 140631
IN STOCK - LOW
140631
Borla Cat-Back and Rear Section exhaust systems feature patented straight through and multi-core technology to unleash hidden horsepower. Increased exhaust velocity adds power; driving excitement; fuel economy; and the distinctive Borla Sound of power respected enthusiasts everywhere. Each system i...
Borla 13-15 Audi S3 S-Type Dual Round Rolled Catback Exhaust
2015-2019 Audi S3 Prestige
2015-2020 Audi S3 Premium Plus
2020-2020 Audi S3 Premium
$2,224.99
Details

MBRP Catback Exhaust 304

MBRP
MBRP Catback Exhaust 304 S4601304
IN STOCK
S4601304
THE ONLY EXHAUST YOU'LL EVER NEED - MBRP ARMOR PRO Series exhaust systems are backed by a Lifetime Warranty and crafted out of T304Stainless Steel - the most durable material grade that money can buy. The T304 Stainless Steel tubing is easy to clean and maintain. It's the obvious choice for you if y...
MBRP 15-18 Audi S3 304SS 3in Quad Split Rear Exit C/B System
2015-2019 Audi S3 Prestige
2015-2020 Audi S3 Premium Plus
2020-2020 Audi S3 Premium / Progressiv
$1,049.99
Details
MBRP Catback Exhaust 304 S46013CF
IN STOCK - DROPSHIPS
S46013CF
THE ONLY EXHAUST YOU'LL EVER NEED - MBRP ARMOR PRO Series exhaust systems are backed by a Lifetime Warranty and crafted out of T304Stainless Steel - the most durable material grade that money can buy. The T304 Stainless Steel tubing is easy to clean and maintain. It's the obvious choice for you if y...
MBRP 15-18 Audi S3 SS 3in Quad Split Rear Exit w/ Carbon Fiber Tips - T304
2015-2019 Audi S3 Prestige
2015-2020 Audi S3 Premium Plus
2020-2020 Audi S3 Premium / Progressiv
$1,184.99
Details
MBRP Catback Exhaust 304 S46043CF
IN STOCK
S46043CF
THE ONLY EXHAUST YOU'LL EVER NEED - MBRP ARMOR PRO Series exhaust systems are backed by a Lifetime Warranty and crafted out of T304Stainless Steel - the most durable material grade that money can buy. The T304 Stainless Steel tubing is easy to clean and maintain. It's the obvious choice for you if y...
MBRP 15-20 Audi S3 T304 Stainless Steel Cat - Active
2015-2019 Audi S3 Prestige
2015-2020 Audi S3 Premium Plus
2020-2020 Audi S3 Premium
$1,604.99
Details
MBRP Catback Exhaust 304 S46193CF
IN STOCK - DROPSHIPS
S46193CF
THE ONLY EXHAUST YOU'LL EVER NEED - MBRP ARMOR PRO Series exhaust systems are backed by a Lifetime Warranty and crafted out of T304Stainless Steel - the most durable material grade that money can buy. The T304 Stainless Steel tubing is easy to clean and maintain. It's the obvious choice for you if y...
MBRP 2022+ Audi S3 3in Cat Back w/ Quad Carbon Fiber Tips- T304
2022-2025 Audi S3 Premium / Premium Plus / Prestige
2026-2026 Audi S3 Base
$1,624.99
Details
MBRP Catback Exhaust 304 S4620304
IN STOCK - LOW
S4620304
The only exhaust you'll ever need - MBRP Armor Pro Series exhaust systems are backed by a Lifetime Warranty and crafted out of T304 Stainless Steel - the most durable material grade that money can buy. The T304 Stainless Steel tubing is easy to clean and maintain. It's the obvious choice for you if ...
MBRP 22-24 Audi S3 2.0L Armor Pro T304 SS 3in Cat-Back Quad Split Rear Exhaust - Valve Delete
2022-2025 Audi S3 Premium / Premium Plus / Prestige
2026-2026 Audi S3 Base
$974.99
Details
MBRP Catback Exhaust 304 S46203CF
IN STOCK - DROPSHIPS
S46203CF
The only exhaust you'll ever need - MBRP Armor Pro Series exhaust systems are backed by a Lifetime Warranty and crafted out of T304 Stainless Steel - the most durable material grade that money can buy. The T304 Stainless Steel tubing is easy to clean and maintain. It's the obvious choice for you if ...
MBRP 22-24 Audi S3 2.0L Armor Pro T304 SS 3in Cat-Back Quad Split Rear Exhaust w/ Carbon Fiber Tips
2022-2025 Audi S3 Premium / Premium Plus / Prestige
2026-2026 Audi S3 Base
$1,049.99
Details