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Audi A4 Performance Catalytic Converters

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Downpipe installation Kit

ES#2576234 - 8E0253115CKT1 - Downpipe installation Kit - Contains all of the hardware you need to install new downpipes on your Audi - Assembled By ECS - Audi

Contains all of the hardware you need to install new downpipes on your Audi 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#:
2576234
Mfg#:
8E0253115CKT1
Ships in 3 Business Days
ON SALE!
$74.99

This product was last offered at the strikethrough price on
02-10-2026

$70.21 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Exhaust Gasket

ES#2717942 - 1H0253115 - Exhaust Gasket - Seals the downpipe to the catalytic converter - Vaico - Audi Volkswagen

Seals the downpipe to the catalytic converter affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
2717942
Mfg#:
1H0253115
Back Ordered
$5.99

This product was last offered at the strikethrough price on
04-15-2026

$4.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Exhaust Gasket

ES#4044493 - 1H0253115 - Exhaust Gasket - Seals the downpipe to the catalytic converter - HJS - Audi Volkswagen

Seals the downpipe to the catalytic converter affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
HJS - Corporate Logo
ES#:
4044493
Mfg#:
1H0253115
Ships in 4 Business Days
$5.99

This product was last offered at the strikethrough price on
05-07-2026

$4.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Exhaust Gasket

ES#3173639 - 1H0253115 - Exhaust Gasket - Seals the downpipe to the catalytic converter - Meistersatz - Audi Volkswagen

Seals the downpipe to the catalytic converter affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Meistersatz - Corporate Logo
ES#:
3173639
Mfg#:
1H0253115
Ships in 4 Business Days
$8.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

3.15" High Flow Sports Cat

ES#3969444 - SAUX076 - 3.15" High Flow Sports Cat - 3.15" T304 stainless construction, offers increased hp/tq throughout the powerband - Scorpion - Audi

3.15" T304 stainless construction, offers increased hp/tq throughout the powerband affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles up through 2020

Brand:
Scorpion - Corporate Logo
ES#:
3969444
Mfg#:
SAUX076
Ships in 3 Business Days
$733.99 USD
Free Shipping
on orders $49 and up

Large Bore Downpipe And Hi-Flow Cat

Downpipe with HJS 200-Cell High Flow Cat affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Milltek Sport - Corporate Logo
ES#:
4159430
Mfg#:
SSXAU744
Ships in 4 Business Days
$1514.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Catalytic Converter Installation Kit

ES#3028724 - 8D0253115KT4 - Catalytic Converter Installation Kit - Includes the necessary hardware and gaskets to install the catalytic converter - Genuine Volkswagen Audi - Audi Volkswagen

Includes the necessary hardware and gaskets to install the catalytic converter affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3028724
Mfg#:
8D0253115KT4
Ships in 5 Business Days
$175.99

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

$164.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

California Grade CARB Compliant Direct-Fit Catalytic Converter

ES#4376376 - 5561352 - California Grade CARB Compliant Direct-Fit Catalytic Converter - Designed to seamlessly fit in place of factory catalytic converter - Magnaflow - Audi

Designed to seamlessly fit in place of factory catalytic converter affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Magnaflow - Corporate Logo
ES#:
4376376
Mfg#:
5561352
EO#:
D-193-141
Back Ordered
$1852.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

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Manufacturer names and/or part numbers are used only for identification purposes.

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