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Audi B9 A4 Quattro 2.0T Performance Cat-Back Exhausts

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ES#4703829 - 049103LA01 - Audi B9 A4 2.0T Non Valved Exhaust System - Cat Back - Experience your driving passion with our ECS Exhaust System! - ECS - Audi

Experience your driving passion with our ECS Exhaust System! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles up through the 2018 model year only (Pre-Facelift)

Brand:
ECS - Corporate Logo
ES#:
4703829
Mfg#:
049103LA01
In Stock
ON SALE!
Starting at $967.63 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4488077 - 021275ECS01 - Audi B9 A4 2.0T Valved Exhaust System - Cat Back  - Max gains of +16 WHP and +17 WTQ on our B9 A4 equipped with a Luft-Technik intake, ECS Intercooler/charge pipes, and a stage 1 tune! - ECS - Audi

Max gains of +16 WHP and +17 WTQ on our B9 A4 equipped with a Luft-Technik intake, ECS Intercooler/charge pipes, and a stage 1 tune! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles up through the 2018 model year only (Pre-Facelift)

Brand:
ECS - Corporate Logo
ES#:
4488077
Mfg#:
021275ECS01
Ships on Nov 13, 2026
ON SALE!
Starting at $1156.67 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4848336 - 008553ECS12-01 - ECS Tuning Exhaust Resonator Delete Section - Change out your ECS Tuning B8/8.5 S4/S5 or B9 A4/S4 Valved Exhaust from resonated to non-resonated! - ECS - Audi

Change out your ECS Tuning B8/8.5 S4/S5 or B9 A4/S4 Valved Exhaust from resonated to non-resonated! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4848336
Mfg#:
008553ECS12-01
In Stock
ON SALE! SAVE 10%
$91.99

This product was last offered at the strikethrough price on
06-13-2026

$82.79 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4904361 - IEEXCK8 - IE Catback Exhaust System - B9 A4 - Features high-flow 2.5" piping, 90mm twin exhaust tips, and iE's DroneTrap technology - Integrated Engineering - Audi

Features high-flow 2.5" piping, 90mm twin exhaust tips, and iE's DroneTrap technology affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Integrated Engineering - Corporate Logo
ES#:
4904361
Mfg#:
IEEXCK8
In Stock
$1649.99 USD
Free Shipping

2.76" stainless steel with your choice of tip style affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Milltek Sport - Corporate Logo
ES#:
4159433
Mfg#:
B9A4RESONATED
Ships in 3 Business Days
Starting at $2411.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4004062 - CTS-EXH-CB-0019 - Cat-Back Exhaust System  - 3.0" tig welded T304 stainless steel with dual 4.0" polished stainless tips - CTS - Audi

3.0" tig welded T304 stainless steel with dual 4.0" polished stainless tips affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles up through the 2018 model year only (Pre-Facelift)

Brand:
CTS - Corporate Logo
ES#:
4004062
Mfg#:
CTS-EXH-CB-0019
Ships in 7 Business Days
$1199.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3176673 - SSXAU612 - Cat-Back Exhaust System - Road+ (Semi-Resonated)  - 2.76" stainless steel with dual GT100 polished tips - Milltek Sport - Audi

2.76" stainless steel with dual GT100 polished tips affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Milltek Sport - Corporate Logo
ES#:
3176673
Mfg#:
SSXAU612
Ships in 3 Business Days
$2213.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4159848 - B9A4SEMIRESONATE - Cat-Back Exhaust - Semi Resonated - 2.76" stainless steel with your choice of tip style - Milltek Sport - Audi

2.76" stainless steel with your choice of tip style affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Milltek Sport - Corporate Logo
ES#:
4159848
Mfg#:
B9A4SEMIRESONATE
Ships in 3 Business Days
Starting at $2213.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4727590 - AWEB9A4TR - AWE Touring Edition Exhaust System - Audi B9 A4 2.0T - Delivers a civil, smooth soundtrack throughout the range while providing an enhanced in-cabin driving experience in any Drive Select mode. Features AWE's proprietary 180 Technology resonators. - AWE - Audi

Delivers a civil, smooth soundtrack throughout the range while providing an enhanced in-cabin driving experience in any Drive Select mode. Features AWE's proprietary 180 Technology® resonators. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles up through the 2018 model year only (Pre-Facelift)

Brand:
AWE - Corporate Logo
ES#:
4727590
Mfg#:
AWEB9A4TR
Ships on Jul 14, 2026
Starting at $2045.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

2.76" stainless steel with your choice of tip style affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Milltek Sport - Corporate Logo
ES#:
4159437
Mfg#:
B9A4NONRESONATED
Ships in 3 Business Days
Starting at $2026.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Fits with factory exhaust outlets in bumper - no tips are included. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles from the 2021 model year only.

Brand:
Milltek Sport - Corporate Logo
ES#:
5375825
Mfg#:
SSXAU1112
Ships in 3 Business Days
$1789.99 USD
ES#4141881 - 49-36420-C - MACH Force-Xp Cat-Back Exhaust System - Carbon Fiber Tips - 3.0" - 2.5" Mandrel-Bent T304 Stainless system produced gains of up to +13 HP and +22 lbs Ft. TQ., as measured on AFE's in-house dyno - AFE - Audi

3.0" - 2.5" Mandrel-Bent T304 Stainless system produced gains of up to +13 HP and +22 lbs Ft. TQ., as measured on AFE's in-house dyno affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
AFE - Corporate Logo
ES#:
4141881
Mfg#:
49-36420-C
Back Ordered
20% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$2105.00

This product was last offered at the strikethrough price on
05-27-2026

$1684.00 USD
ES#4727589 - AWEB9A4TK - AWE Track Edition Exhaust System - Audi B9 A4 2.0T - Equipped with the same precision-engineering as its Touring Edition counterpart, minus the 180 Technology resonators in the rear. - AWE - Audi

Equipped with the same precision-engineering as its Touring Edition counterpart, minus the 180 Technology® resonators in the rear. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles up through the 2018 model year only (Pre-Facelift)

Brand:
AWE - Corporate Logo
ES#:
4727589
Mfg#:
AWEB9A4TK
Ships on Jul 14, 2026
Starting at $1595.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4751049 - 049103LA01EBKT - Audi B9 A4 2.0T Non Valved Exhaust System - Cat Back & Luft-Technik Intake System - Enhance the sound and performance of your vehicle with our Non Valved Exhaust System and Luft-Technik Intake System - Enthusiast Bundles - Audi

Enhance the sound and performance of your vehicle with our Non Valved Exhaust System and Luft-Technik Intake System Don't See A Bundle You Want - Give Us A Call Or Chat - We Will Make One! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles up through the 2018 model year only (Pre-Facelift) Does not fit models equipped with a MAF sensor (DBPA or DPAA engine codes)

Brand:
Enthusiast Bundles - Corporate Logo
ES#:
4751049
Mfg#:
049103LA01EBKT
In Stock
ON SALE! SAVE 23%
$1825.96

This product was last offered at the strikethrough price on
05-05-2026

$1399.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4220057 - 49-36420-P - MACH Force-Xp 304 Stainless Steel Cat-Back Exhaust System - Resonated 3" to 2-1/2" with 4" polished tips - AFE - Audi

Resonated 3" to 2-1/2" with 4" polished tips affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
AFE - Corporate Logo
ES#:
4220057
Mfg#:
49-36420-P
Ships in 2 Business Days
20% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$1915.00

This product was last offered at the strikethrough price on
06-24-2026

$1532.00 USD
ES#4500332 - 49-36446 - MACH Force-Xp Cat-Back Exhaust System - This system produces a mild sound unleashing all available horsepower and torque! - AFE - Audi

This system produces a mild sound unleashing all available horsepower and torque! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
PRE-ORDER ONLY! AVAILABLE OCTOBER.

Brand:
AFE - Corporate Logo
ES#:
4500332
Mfg#:
49-36446
Back Ordered
20% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$1661.99

This product was last offered at the strikethrough price on
05-27-2026

$1329.00 USD
This product is lifetime replacement eligible Lifetime Replacement

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