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Audi B9 A4 Quattro 2.0T Exhaust Parts & Accessories

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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 8 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 4 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#4220054 - 49-36419-P - MACH Force-Xp Stainless Steel Axle-Back Exhaust System - Resonated 3" to 2-1/2" 304 Stainless Steel with polished tips - AFE - Audi

Resonated 3" to 2-1/2" 304 Stainless Steel with polished tips affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
AFE - Corporate Logo
ES#:
4220054
Mfg#:
49-36419-P
Ships in 3 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.

$1311.99

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

$1049.00 USD
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

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

Brand:
AFE - Corporate Logo
ES#:
4500329
Mfg#:
49-36445
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.

$1138.99

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

$911.00 USD
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 4 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#3678753 - 06L906262G - Front Oxygen Sensor - Priced Each - Keep your engine running efficiently - Genuine Volkswagen Audi - Audi

Keep your engine running efficiently affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3678753
Mfg#:
06L906262G
In Stock
7% off MSRP

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

$308.99

This product was last offered at the strikethrough price on
06-15-2026

$287.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4220051 - 49-36419-B - MACH Force-Xp Stainless Steel Axle-Back Exhaust System - Resonated 3" to 2-1/2" 304 Stainless Steel with black tips - AFE - Audi

Resonated 3" to 2-1/2" 304 Stainless Steel with black tips affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
AFE - Corporate Logo
ES#:
4220051
Mfg#:
49-36419-B
In Stock at Vendor
20% off MSRP

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

$1441.99

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

$1153.00 USD
This product is lifetime replacement eligible Lifetime Replacement
ES#3614068 - 8W0906262G - Rear Oxygen Sensor - Priced Each - Keep your engine running efficiently - Genuine Volkswagen Audi - Audi

Keep your engine running efficiently affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3614068
Mfg#:
8W0906262G
In Stock
8% off MSRP

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

$258.99

This product was last offered at the strikethrough price on
06-15-2026

$236.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4046022 - B9A45DP - 3" Downpipe - 3.0" T304 Stainless system produces gains of up to 15hp. - JH Motorsports  - Audi

3.0" T304 Stainless system produces gains of up to 15hp. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles up through 2020

Brand:
JH Motorsports  - Corporate Logo
ES#:
4046022
Mfg#:
B9A45DP
Ships in 7 Business Days
$549.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Delivers more power, especially in the low and mid rev range while adding a deep sporty sound. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles up through 2020

Brand:
Armytrix - Corporate Logo
ES#:
4616390
Mfg#:
AUB9-CD
Ships on Jul 13, 2026
$1090.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3188060 - 8K0253115L - Exhaust Gasket - Located between turbocharger and catalytic converter - Elring - Audi

Located between turbocharger and catalytic converter affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Elring - Corporate Logo
ES#:
3188060
Mfg#:
8K0253115L
In Stock
$5.99

This product was last offered at the strikethrough price on
02-24-2026

$5.67 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

More About Exhaust Parts & Accessories

From stock exhaust system repairs to polished stainless steel performance exhaust, we have exhaust pipes, mufflers, resonators, and catalytic converters from the most respected suppliers in the business. Go loud, stay soft, look good with exhaust parts and systems from ECS Tuning.

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