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Audi S4 Exhaust Parts & Accessories

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73MM Exhaust Clamp - Priced Each

ES#3143291 - CHC73SS - 73MM Exhaust Clamp - Priced Each - Stainless band clamp used in various Milltek Sport exhaust systems - 73mm - Milltek Sport - Audi

Stainless band clamp used in various Milltek Sport exhaust systems - 73mm affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Milltek Sport - Corporate Logo
ES#:
3143291
Mfg#:
CHC73SS
In Stock
$10.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cat-Back Exhaust Installation Kit

ES#2598287 - 357253141AKT5 - Cat-Back Exhaust Installation Kit - Includes both clamps to connect your cat-back exhaust system - HJS - Audi

Includes both clamps to connect your cat-back exhaust system affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
HJS - Corporate Logo
ES#:
2598287
Mfg#:
357253141AKT5
In Stock
$25.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Allen Bolt - Priced Each

ES#4872118 - N0147215 - Allen Bolt - Priced Each - M10x25 - Secures the turbocharger to the exhaust manifold - Fischer and Plath - Audi

M10x25 - Secures the turbocharger to the exhaust manifold affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Fischer and Plath - Corporate Logo
ES#:
4872118
Mfg#:
N0147215
In Stock
$3.99

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

$2.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Turbocharger Gasket

ES#3010739 - 059253232C - Turbocharger Gasket - Seals the turbocharger to the isolator - Genuine Volkswagen Audi - Audi

Seals the turbocharger to the isolator affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3010739
Mfg#:
059253232C
Ships in 2 Business Days
$15.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Resonated Center Section - Right Side

ES#3184655 - MSAU177 - Resonated Center Section - Right Side - Replacement right side resonated center section for your Milltek Exhaust system - Milltek Sport - Audi

Replacement right side resonated center section for your Milltek Exhaust system affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
To be used with Milltek Sport exhaust systems SSXAU37, SSXAU46, SSXAU100, SSXAU296 (Or to make your existing non-resonated system SSXAU38, SSXAU48, SSXAU

Brand:
Milltek Sport - Corporate Logo
ES#:
3184655
Mfg#:
MSAU177
Ships in 3 Business Days
$187.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Resonated Center Section - Left Side

ES#3184656 - MSAU178 - Resonated Center Section - Left Side - Replacement left side resonated center section for your Milltek Exhaust system - Milltek Sport - Audi

Replacement left side resonated center section for your Milltek Exhaust system affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
To be used with Milltek Sport exhaust systems SSXAU37, SSXAU46, SSXAU100, SSXAU296 (Or to make your existing non-resonated system SSXAU38, SSXAU48, SSXAU

Brand:
Milltek Sport - Corporate Logo
ES#:
3184656
Mfg#:
MSAU178
Ships in 3 Business Days
$187.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Front Oxygen Sensor - Priced Each

Keep your engine running efficiently affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Fits the left and right position

Brand:
Bremmen Parts - Corporate Logo
ES#:
5373885
Mfg#:
06E906265AJ
Ships on Jul 9, 2026
Auto Notify
ON SALE! SAVE 10%
$203.99

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

$183.59 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Locking Nut - Priced Each

ES#470880 - N90824302 - Locking Nut - Priced Each - Locking nut with flange. M8 - Genuine Volkswagen Audi - Audi

Locking nut with flange. M8 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Secures the manifold to the engine

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
470880
Mfg#:
N90824302
In Stock
$6.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Manifold / Header Installation Kit

ES#2598200 - 078253039GKT2 - Manifold / Header Installation Kit - No need to worry about lost or failed hardware - Assembled By ECS - Audi

No need to worry about lost or failed hardware 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#:
2598200
Mfg#:
078253039GKT2
Ships in 7 Business Days
ON SALE! SAVE 25%
$238.99

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

$180.21 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

GT100 Cerakote Black Exhaust Tip - Priced Each

ES#3191401 - MSVW372-1 - GT100 Cerakote Black Exhaust Tip - Priced Each - 100mm GT style exhaust tip for the left and or right side of the vehicle - Milltek Sport - Audi

100mm GT style exhaust tip for the left and or right side of the vehicle affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Milltek Sport - Corporate Logo
ES#:
3191401
Mfg#:
MSVW372-1
In Stock
$88.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rear Oxygen Sensor - Priced Each

Keep your engine running efficiently affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Fits the left and right position

Brand:
Facet - Corporate Logo
ES#:
4135683
Mfg#:
06E906265Q
In Stock at Vendor
$91.99

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

$88.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Dual Clamp Exhaust Sleeve - Priced Each

ES#333406 - 357253141A - Dual Clamp Exhaust Sleeve - Priced Each - Quiet down your leaking exhaust. 55mm - Genuine Volkswagen Audi - Audi Volkswagen

Quiet down your leaking exhaust. 55mm affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Secures the downpipe to the center muffler

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
333406
Mfg#:
357253141A
Ships in 2 Business Days
7% off MSRP

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

$60.99

This product was last offered at the strikethrough price on
06-07-2026

$56.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

79MM Exhaust Clamp - Priced Each

ES#3143288 - CHC79SS - 79MM Exhaust Clamp - Priced Each - Milltek Sport - Audi

affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Milltek Sport - Corporate Logo
ES#:
3143288
Mfg#:
CHC79SS
In Stock
$11.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Lambda Sensor

ES#2895561 - 11787512975 - Lambda Sensor - Keep your engine running efficiently - Vemo - Audi BMW Volkswagen

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

Brand:
Vemo - Corporate Logo
ES#:
2895561
Mfg#:
11787512975
Special Order: No Guaranteed ETA
$158.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Dual Clamp Exhaust Sleeve - Priced Each

ES#3183586 - 1K0253141M - Dual Clamp Exhaust Sleeve - Priced Each - Quiet down your leaking exhaust. 55mm - Ernst - Audi Volkswagen

Quiet down your leaking exhaust. 55mm affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Connects the down pipe to the center muffler

Brand:
Ernst - Corporate Logo
ES#:
3183586
Mfg#:
1K0253141M
In Stock
Limited Qty Sale
$14.99

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

$12.99 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.

Let us help you find the parts that fit your Audi

ECS Tuning is not affiliated with any automobile manufacturers.
Manufacturer names and/or part numbers are used only for identification purposes.

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