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Audi S4 Exhaust Parts & Accessories

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OE Downpipe with front silencer - Left

Maintain that OE sound

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3186597
Mfg#:
8W0253300S
Ships in 7 Business Days
9% off MSRP

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

$877.99

This product was last offered at the strikethrough price on
08-31-2026

$801.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rear Muffler with Exhaust Flap - Right

Engineered with precision and adherence to original equipment specifications, this muffler ensures an exact fit For vehicles with production date from 02/05/2018 up to 06/20/2022

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3561735
Mfg#:
8W0253610C
Ships in 7 Business Days
9% off MSRP

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

$1144.99

This product was last offered at the strikethrough price on
08-31-2026

$1046.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Heat Protection Plate For Cross Panel - Right Side

ES#452769 - 8K1804164C - Heat Protection Plate For Cross Panel - Right Side - Underbody heatshield located around the 02 sensors on the catalytic converters - Genuine Volkswagen Audi - Audi

Underbody heatshield located around the 02 sensors on the catalytic converters

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
452769
Mfg#:
8K1804164C
Ships in 3 Business Days
$69.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Front Heat Shield For Tunnel

ES#3139675 - 8K0803979K - Front Heat Shield For Tunnel - Front most location heat shield, protects tunnel from downpipe exhaust heat - Genuine Volkswagen Audi - Audi

Front most location heat shield, protects tunnel from downpipe exhaust heat For models with 7-Speed S-Tronic (DSG) transmission

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3139675
Mfg#:
8K0803979K
Ships in 10 Business Days
12% off MSRP

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

$288.99

This product was last offered at the strikethrough price on
08-31-2026

$254.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Rear Muffler with Exhaust Flap - Left

Engineered with precision and adherence to original equipment specifications, this muffler ensures an exact fit For vehicles with production date from 02/05/2018 up to 06/20/2022

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3550077
Mfg#:
8W0253609K
Ships in 10 Business Days
9% off MSRP

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

$1073.99

This product was last offered at the strikethrough price on
08-31-2026

$981.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Exhaust Mid pipe Muffler

Mufflered midpipe that connects the downpipe to the rear mufflers

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3250337
Mfg#:
8W0253409G
Ships in 10 Business Days
9% off MSRP

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

$1172.99

This product was last offered at the strikethrough price on
08-31-2026

$1071.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Exhaust Sealing Ring - Priced Each

ES#5340309 - 078145039 - Exhaust Sealing Ring - Priced Each - Seals the turbochargers to the exhaust manifold - Elring - Audi Volkswagen

Seals the turbochargers to the exhaust manifold 2X Entries Into Our F80 M3 Sweepstakes

Brand:
Elring - Corporate Logo
ES#:
5340309
Mfg#:
078145039
Special Order: No Guaranteed ETA
$7.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Exhaust Gasket - Priced Each

ES#5340894 - 8D0253115F - Exhaust Gasket - Priced Each - Seal the turbocharger to the downpipe - Elring - Audi

Seal the turbocharger to the downpipe 2X Entries Into Our F80 M3 Sweepstakes

Brand:
Elring - Corporate Logo
ES#:
5340894
Mfg#:
8D0253115F
Special Order: No Guaranteed ETA
$9.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rear Oxygen Sensor - Priced Each

ES#5492601 - 06E906265Q - Rear Oxygen Sensor - Priced Each - Direct OE-quality replacement heated oxygen sensor to restore proper engine management, cure stubborn Check Engine Lights, and ensure your vehicle passes its next emissions test. - Febi - Audi

Direct OE-quality replacement heated oxygen sensor to restore proper engine management, cure stubborn Check Engine Lights, and ensure your vehicle passes its next emissions test. Fits the left and right position

Brand:
Febi - Corporate Logo
ES#:
5492601
Mfg#:
06E906265Q
Special Order: No Guaranteed ETA
$123.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rear Muffler Hanger - Priced Each

ES#5492671 - 8K0253144M - Rear Muffler Hanger - Priced Each - Eliminate obnoxious rattling, cure sagging tailpipes, and secure your heavy rear mufflers. - Febi - Audi

Eliminate obnoxious rattling, cure sagging tailpipes, and secure your heavy rear mufflers. Fits the left and right side

Brand:
Febi - Corporate Logo
ES#:
5492671
Mfg#:
8K0253144M
Special Order: No Guaranteed ETA
$19.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

EGR Valve - Right

ES#2894885 - 06E131102B - EGR Valve - Right - Also known as the 'combi valve' - Vemo - Audi Volkswagen

Also known as the 'combi valve'

Brand:
Vemo - Corporate Logo
ES#:
2894885
Mfg#:
06E131102B
Special Order: No Guaranteed ETA
$112.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Full Exhaust Installation Kit

ES#2587682 - 078253039GKT - Full Exhaust Installation Kit - Comes with all the hardware you need to install a full OE exhaust system - Assembled By ECS - Audi

Comes with all the hardware you need to install a full OE exhaust system 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
2587682
Mfg#:
078253039GKT
Back Ordered
ON SALE! SAVE 27%
$749.99

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

$550.13 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Remanufactured Catalytic Converter - Left

ES#2532865 - 8E0254505RXKT - Remanufactured Catalytic Converter - Left - Price includes a $210 refundable core charge - Genuine Volkswagen Audi - Audi

Price includes a $210 refundable core charge For vehicles with manual transmission only

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2532865
Mfg#:
8E0254505RXKT
Back Ordered
$3378.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Exhaust Manifold Stud - Priced Each

ES#3372 - N01444312 - Exhaust Manifold Stud - Priced Each - Stud to mount exhaust manifold to cylinder head, no shoulder. M8x38 - HJS - Audi Volkswagen

Stud to mount exhaust manifold to cylinder head, no shoulder. M8x38

Brand:
HJS - Corporate Logo
ES#:
3372
Mfg#:
N01444312
Back Ordered
$3.05 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Direct-Fit Catalytic Converter - Right

ES#2974425 - 441096 - Direct-Fit Catalytic Converter - Right - Keep your emissions in check - Magnaflow - Audi

Keep your emissions in check For vehicles with automatic transmission. California Legal

Brand:
Magnaflow - Corporate Logo
ES#:
2974425
Mfg#:
441096
Back Ordered
$1570.00 USD
Free Shipping

Cat-Back Exhaust System

ES#2613791 - 16769 - Cat-Back Exhaust System - 2.5" stainless steel with dual 3.5" polished stainless tips - Magnaflow - Audi

2.5" stainless steel with dual 3.5" polished stainless tips Avant models only

Brand:
Magnaflow - Corporate Logo
ES#:
2613791
Mfg#:
16769
Back Ordered
$1196.00 USD
Free Shipping
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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