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Audi A4 Performance Exhaust Downpipes

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3" Downpipe

ES#2951864 - CTS-EXH-TDP-0005 - 3" Downpipe - T304 Stainless down pipe that installs directly after the factory catalytic converter - CTS - Audi

T304 Stainless down pipe that installs directly after the factory catalytic converter affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
CTS - Corporate Logo
ES#:
2951864
Mfg#:
CTS-EXH-TDP-0005
Ships in 7 Business Days
$399.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

3" High Flow Catalytic Converter

ES#2960017 - 034-105-4022 - 3" High Flow Catalytic Converter - complete drop-in upgrade will bolt up to stock/Stock Fit Turbo - 034Motorsport - Audi

complete drop-in upgrade will bolt up to stock/Stock Fit Turbo affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
2960017
Mfg#:
034-105-4022
In Stock
$482.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

AWE Resonated Performance Downpipe - B8/B8.5 2.0T

ES#4043930 - 3215-11020 - AWE Resonated Performance Downpipe - B8/B8.5 2.0T - Designed using CAD modeling software to produce smooth gradual bends, eliminating flow interference. - AWE - Audi

Designed using CAD modeling software to produce smooth gradual bends, eliminating flow interference. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
AWE - Corporate Logo
ES#:
4043930
Mfg#:
3215-11020
Ships in 8 Business Days
Auto Notify
$645.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Performance Stainless 2.5" Downpipe

ES#3175270 - 251126R - Performance Stainless 2.5" Downpipe - High flow, stainless downpipe kit to be used with factory exhaust - Techtonics Tuning - Audi

High flow, stainless downpipe kit to be used with factory exhaust affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Fits manual transmission models only - To be used with factory exhaust

Brand:
Techtonics Tuning - Corporate Logo
ES#:
3175270
Mfg#:
251126R
Ships in 3 Business Days
$286.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Performance Stainless 2.5" Downpipe

ES#3175272 - 251127R - Performance Stainless 2.5" Downpipe - High flow, stainless downpipe kit to be used with factory exhaust - Techtonics Tuning - Audi

High flow, stainless downpipe kit to be used with factory exhaust affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Fits automatic transmission models only - To be used with factory exhaust

Brand:
Techtonics Tuning - Corporate Logo
ES#:
3175272
Mfg#:
251127R
Ships in 1-3 days
$286.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

3-inch Downpipe With High Flow Catalytic Converter

ES#4362343 - UH014-EXA - 3-inch Downpipe With High Flow Catalytic Converter - Featuring 3-inch T304 Stainless Steel Mandrel Bent Tubing - Unitronic - Audi

Featuring 3-inch T304 Stainless Steel Mandrel Bent Tubing affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms Buy Unitronic Software 5/22/26 - 6/5/26 for a chance to win your Software & UniCONNECT+ Cable for FREE!

Brand:
Unitronic - Corporate Logo
ES#:
4362343
Mfg#:
UH014-EXA
In Stock
ON SALE! SAVE 10%
$1099.99

This product was last offered at the strikethrough price on
05-21-2026

$989.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Performance Stainless 2.5" Downpipe

ES#3175269 - 251126 - Performance Stainless 2.5" Downpipe - High flow, stainless downpipe kit to be used with 2.5" aftermarket exhaust - Techtonics Tuning - Audi

High flow, stainless downpipe kit to be used with 2.5" aftermarket exhaust affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Fits manual transmission models only - To be used with 2.5" aftermarket exhaust

Brand:
Techtonics Tuning - Corporate Logo
ES#:
3175269
Mfg#:
251126
Ships in 5 Business Days
$286.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Performance Stainless 2.5" Downpipe

ES#3175267 - 251125 - Performance Stainless 2.5" Downpipe - High flow, stainless downpipe kit to be used with 2.5" aftermarket exhaust - Techtonics Tuning - Audi

High flow, stainless downpipe kit to be used with 2.5" aftermarket exhaust affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Fits quattro 5-speed transmission models only - To be used with 2.5" aftermarket exhaust system

Brand:
Techtonics Tuning - Corporate Logo
ES#:
3175267
Mfg#:
251125
Ships on Jun 24, 2026
$286.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Performance Stainless 2.5" Downpipe

ES#3175271 - 251127 - Performance Stainless 2.5" Downpipe - High flow, stainless downpipe kit to be used with 2.5" aftermarket exhaust - Techtonics Tuning - Audi

High flow, stainless downpipe kit to be used with 2.5" aftermarket exhaust affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Fits automatic transmission models only - To be used with 2.5" aftermarket exhaust system

Brand:
Techtonics Tuning - Corporate Logo
ES#:
3175271
Mfg#:
251127
Ships on Jun 25, 2026
$286.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Performance Stainless 2.5" Downpipe

ES#3175307 - 251229 - Performance Stainless 2.5" Downpipe - High flow, stainless downpipe kit to be used with 2.5" aftermarket exhaust - Techtonics Tuning - Audi

High flow, stainless downpipe kit to be used with 2.5" aftermarket exhaust affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Fits quattro manual transmission models only - To be used with 2.5" aftermarket exhaust system

Brand:
Techtonics Tuning - Corporate Logo
ES#:
3175307
Mfg#:
251229
Ships in 4 Business Days
$275.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

3" Downpipe

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 6 Business Days
$549.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Catalytic Converter Installation Kit

ES#2575492 - 1H0253115DKT1 - Catalytic Converter Installation Kit - Contains all of the hardware you need to install a new catalytic converter on your A4 - Assembled By ECS - Audi

Contains all of the hardware you need to install a new catalytic converter on your A4 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
2575492
Mfg#:
1H0253115DKT1
In Stock
ON SALE! SAVE 21%
$69.99

This product was last offered at the strikethrough price on
05-02-2026

$55.30 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Performance Stainless 2.5" Downpipe

ES#3175279 - 251130R - Performance Stainless 2.5" Downpipe - High flow, stainless downpipe kit to be used with factory exhaust - Techtonics Tuning - Audi

High flow, stainless downpipe kit to be used with factory exhaust affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Fits quattro 6-speed transmission models only - To be used with factory exhaust

Brand:
Techtonics Tuning - Corporate Logo
ES#:
3175279
Mfg#:
251130R
Ships on Jun 25, 2026
$286.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Performance Stainless 2.5" Downpipe

ES#3175265 - 251124 - Performance Stainless 2.5" Downpipe - High flow, stainless downpipe kit to be used with 2.5" aftermarket exhaust - Techtonics Tuning - Audi

High flow, stainless downpipe kit to be used with 2.5" aftermarket exhaust affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Fits automatic transmission models only - To be used with 2.5" aftermarket exhaust system

Brand:
Techtonics Tuning - Corporate Logo
ES#:
3175265
Mfg#:
251124
Ships on Jun 25, 2026
$286.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Performance Stainless 2.5" Downpipe

ES#3175263 - 251123 - Performance Stainless 2.5" Downpipe - High flow, stainless downpipe kit to be used with 2.5" aftermarket exhaust - Techtonics Tuning - Audi

High flow, stainless downpipe kit to be used with 2.5" aftermarket exhaust affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Fits FWD 5-speed transmission models only - To be used with 2.5" aftermarket exhaust system

Brand:
Techtonics Tuning - Corporate Logo
ES#:
3175263
Mfg#:
251123
Ships on Jun 25, 2026
$286.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

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