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Audi S4 Universal Exhaust Parts

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Universal Flex Section (1.75 X 4) - Priced Each

ES#4005051 - 8835 - Universal Flex Section (1.75 X 4) - Priced Each - Stainless steel flex section that measures 1.75 ID x 8 - Overall Length - Ansa - Audi Volkswagen

Stainless steel flex section that measures 1.75 ID x 8 - Overall Length affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Ansa - Corporate Logo
ES#:
4005051
Mfg#:
8835
Ships in 5 Business Days
$15.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

3" V-Band to 60mm Reducer

ES#4362265 - UH001-EX3 - 3" V-Band to 60mm Reducer - T304 Stainless Steel Tubing T316 Stainless Steel V-Band Flanges - Unitronic - Audi BMW Volkswagen Mercedes Benz MINI Porsche

T304 Stainless Steel Tubing T316 Stainless Steel V-Band Flanges 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#:
4362265
Mfg#:
UH001-EX3
Ships in 5 Business Days
$89.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

3" V-Band to 55mm Reducer

ES#4362278 - UH002-EX3 - 3" V-Band to 55mm Reducer - T304 Stainless Steel Tubing, T316 Stainless Steel V-Band Flange - Unitronic - Audi Volkswagen Porsche

T304 Stainless Steel Tubing, T316 Stainless Steel V-Band Flange 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#:
4362278
Mfg#:
UH002-EX3
Ships in 5 Business Days
$89.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Universal Y Pipe Adapter - 2.5" (63mm)

ES#5457411 - VTD.YPIPE.63MM - Universal Y Pipe Adapter - 2.5" (63mm) - Perfect for when you need to connect a single muffler to dual piping or add two tips to your single muffler! - Valvetronic Designs - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Perfect for when you need to connect a single muffler to dual piping or add two tips to your single muffler! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Valvetronic Designs - Corporate Logo
ES#:
5457411
Mfg#:
VTD.YPIPE.63MM
Ships in 1 Business Day
$40.99 USD
Free Shipping

2.5" V - Band Clamp

ES#4362277 - UH002-EX0 - 2.5" V - Band Clamp - Stainless Steel High grade hardware - Unitronic - Audi Volkswagen Porsche

Stainless Steel High grade hardware 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#:
4362277
Mfg#:
UH002-EX0
Ships in 2 Business Days
$32.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Heat Shroud™ - Aluminized Sleeving

ES#2784360 - 010405 - Heat Shroud™ - Aluminized Sleeving - 1" X 3ft - DEI - Audi BMW Volkswagen Mercedes Benz MINI Porsche

1" X 3ft affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
DEI - Corporate Logo
ES#:
2784360
Mfg#:
010405
Special Order: No Guaranteed ETA
$60.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Stainless Steel Exhaust Band Clamp - 58mm - Priced Each

ES#3187915 - CHC58SS - Stainless Steel Exhaust Band Clamp - 58mm - Priced Each - 2.28" or 58mm - Milltek Sport - Audi BMW Volkswagen Mercedes Benz

2.28" or 58mm affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Milltek Sport - Corporate Logo
ES#:
3187915
Mfg#:
CHC58SS
Ships in 9 Business Days
$9.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Dinan Heavy Duty Exhaust Band Clamp - 3.00" (76mm)

ES#4883971 - D662-9237 - Dinan Heavy Duty Exhaust Band Clamp - 3.00" (76mm) - Accuseal exhaust clamp that provides 360 degrees of pressure for quick, secure exhaust clamping - Dinan - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Accuseal exhaust clamp that provides 360 degrees of pressure for quick, secure exhaust clamping Call In Or Chat For Best Price! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Dinan - Corporate Logo
ES#:
4883971
Mfg#:
D662-9237
Ships on Jun 29, 2026
50% off MSRP

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

$23.99

This product was last offered at the strikethrough price on
12-29-2025

$11.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Fiberglass Exhaust Wrap - White - 2" x 50'

ES#3022266 - HEA-WRAPKIT-WHT - Fiberglass Exhaust Wrap - White - 2" x 50' - Designed to handle continuous temperatures up to 1,200F - Prosport Performance - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Designed to handle continuous temperatures up to 1,200°F affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Prosport Performance - Corporate Logo
ES#:
3022266
Mfg#:
HEA-WRAPKIT-WHT
Ships in 1 Business Day
$31.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Downpipe To Cat-Back Reducer - Priced Each

ES#2795132 - 006555ECS05A - Downpipe To Cat-Back Reducer - Priced Each - 3.0" ID (Slip Fit) To 60mm OD (Butt) connections - ECS - Audi BMW Volkswagen Mercedes Benz MINI Porsche

3.0" ID (Slip Fit) To 60mm OD (Butt) connections affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
2795132
Mfg#:
006555ECS05A
Ships on Jul 20, 2026
Auto Notify
ON SALE! SAVE 40%
$38.99

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

$23.39 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

02 SENSOR BUNG (WELD-ON TYPE) 304 STAINLESS STEEL (M18x1.5mm)

ES#5386503 - 02sb1815 - 02 SENSOR BUNG (WELD-ON TYPE) 304 STAINLESS STEEL (M18x1.5mm) - Universal O2 weld bung for your custom exhaust project. Flat bottom. - Bremmen Parts - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Universal O2 weld bung for your custom exhaust project. Flat bottom. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
5386503
Mfg#:
02SB1815
Ships on Dec 31, 2026
ON SALE! SAVE 39%
$3.99

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

$2.44 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Hi-Temp Silicone Coating - Black

ES#3619060 - 010301KT - Hi-Temp Silicone Coating - Black - The High Temperature (HT) Silicone Coating provides lasting protection for any hot surface up to 1500 degrees. Ground ship only. - DEI - Audi BMW Volkswagen Mercedes Benz MINI Porsche

The High Temperature (HT) Silicone Coating provides lasting protection for any hot surface up to 1500 degrees. Ground ship only. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Hazardous materials - Only ships to Continental USA via UPS Ground*

Brand:
DEI - Corporate Logo
ES#:
3619060
Mfg#:
010301KT
In Stock
$18.99

This product was last offered at the strikethrough price on
03-19-2026

$12.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

2.75" (70mm) Exhaust Clamp - Priced Each

ES#3545474 - NBC275 - 2.75" (70mm) Exhaust Clamp - Priced Each - Stainless steel exhaust band clamp - ECS - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Stainless steel exhaust band clamp affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3545474
Mfg#:
NBC275
Special Order: No Guaranteed ETA
ON SALE! SAVE 25%
$15.99

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

$11.99 USD
Free Shipping
on orders $49 and up

Universal T-Style Valved Muffler Kit - Single Inlet / Dual Outlet - 3.0" (76mm) - 1 Muffler

ES#5457434 - UVM76MMTSTYLEX1 - Universal T-Style Valved Muffler Kit - Single Inlet / Dual Outlet - 3.0" (76mm) - 1 Muffler - Upgrade your ride with the Valvetronic Designs universal valve muffler kit, a premium T304 stainless steel solution that delivers an aggressive, valved exhaust note at the click of a button - Valvetronic Designs - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Upgrade your ride with the Valvetronic Designs universal valve muffler kit, a premium T304 stainless steel solution that delivers an aggressive, valved exhaust note at the click of a button affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Valvetronic Designs - Corporate Logo
ES#:
5457434
Mfg#:
UVM76MMTSTYLEX1
Ships in 1 Business Day
$499.99 USD
Free Shipping

Universal Valved Muffler Kit - Single Inlet / Dual Outlet - 3.0" (76mm) - 1 Muffler

ES#5457432 - UVM76MMDUALOUTx1 - Universal Valved Muffler Kit - Single Inlet / Dual Outlet - 3.0" (76mm) - 1 Muffler - Upgrade your ride with the Valvetronic Designs universal valve muffler kit, a premium T304 stainless steel solution that delivers an aggressive, valved exhaust note at the click of a button - Valvetronic Designs - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Upgrade your ride with the Valvetronic Designs universal valve muffler kit, a premium T304 stainless steel solution that delivers an aggressive, valved exhaust note at the click of a button affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Valvetronic Designs - Corporate Logo
ES#:
5457432
Mfg#:
UVM76MMDUALOUTX1
Ships in 1 Business Day
$399.99 USD
Free Shipping

Universal Valved Muffler Kit - Single Inlet / Single Outlet - 2.5" (63mm) - 2 Mufflers

ES#5457431 - UVM.63MM.X2 - Universal Valved Muffler Kit - Single Inlet / Single Outlet - 2.5" (63mm) - 2 Mufflers - Upgrade your ride with the Valvetronic Designs universal valve muffler kit, a premium T304 stainless steel solution that delivers an aggressive, valved exhaust note at the click of a button - Valvetronic Designs - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Upgrade your ride with the Valvetronic Designs universal valve muffler kit, a premium T304 stainless steel solution that delivers an aggressive, valved exhaust note at the click of a button affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Valvetronic Designs - Corporate Logo
ES#:
5457431
Mfg#:
UVM.63MM.X2
Ships in 1 Business Day
$599.99 USD
Free Shipping

More About Universal Exhaust Parts

Handcrafting a one-of-a-kind exhaust for a custom application? Need to repair or alter an existing exhaust system? ECS Tuning stocks a large inventory of replacement pipes, exhaust accessories, and universal catalytic converters, available in many sizes to match your project all identical to the materials we use for our in-house designed exhaust systems.

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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