Shop Our Clearance Sale - Up To 80% Off FREE SHIPPING on Orders $49+ *exclusions apply

Menu

Call Us330-331-2003 ChatLive Chat Text Us!
0 Shopping Cart
Your Vehicle Clear

Audi B9 S4 Quattro 3.0T

    • Audi
    • BMW
    • Mercedes Benz
    • MINI
    • Porsche
    • Volkswagen

Saved Vehicles

My Vehicles
You currently have no stored vehicles.

Recent Vehicles

Recent Vehicles Manage Vehicles

You currently have no recent vehicles.

We'll automatically keep fully selected vehicles here for your convenience.

Call Us330-331-2003 ChatLive Chat Text Us!
Track My Order View Order History Submit a Return Contact Us Wholesale Information Lifetime Replacement Returns and Warranty Information
0
Call Us330-331-2003 ChatLive Chat Text Us!
Track My Order View Order History Submit a Return Contact Us Wholesale Information Lifetime Replacement Returns and Warranty Information
Cancel
0
Sales & Specials
Enter Your Vehicle
garage-red
Your Vehicle Audi B9 S4 Quattro 3.0T
Your Vehicle Audi B9 S4 Quattro 3.0T
Change Clear

Audi B9 S4 Quattro 3.0T Exhaust Parts & Accessories

Sort By
Filter By
Return to Top

Rennline Universal 3.5" Exhaust Tip Black Chrome - Priced Each

ES#4690058 - EX18.BLACK - Rennline Universal 3.5" Exhaust Tip Black Chrome - Priced Each - Stainless Steel exhaust tip featuring swivel attachment for maximum adjustability. 2.5" Swivel Inlet / 3.5" Double Wall, Slant Cut Outlet - Rennline - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Stainless Steel exhaust tip featuring swivel attachment for maximum adjustability. 2.5" Swivel Inlet / 3.5" Double Wall, Slant Cut Outlet Not vehicle specific. You MUST measure prior to purchasing!

Brand:
Rennline - Corporate Logo
ES#:
4690058
Mfg#:
EX18.BLACK
Ships in 6 Business Days
ON SALE! SAVE 29%
$205.00

This product was last offered at the strikethrough price on
10-07-2026

$145.00 USD
Free Shipping
on orders $49 and up

3-inch Sealing Ring

ES#4362279 - UH002-EX7 - 3-inch Sealing Ring - Fix your leaky V-Band flange - Unitronic - Audi Volkswagen Porsche

Fix your leaky V-Band flange

Brand:
Unitronic - Corporate Logo
ES#:
4362279
Mfg#:
UH002-EX7
In Stock
$7.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

7 Piece Sensor Socket Set

Perfect kit for unique sensors throughout the car.

Brand:
OTC - Corporate Logo
ES#:
2947301
Mfg#:
OTC4673
Ships in 6 Business Days
$278.99 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

Brand:
Unitronic - Corporate Logo
ES#:
4362265
Mfg#:
UH001-EX3
In Stock
$89.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Stainless Steel Oxygen Sensor (O2) Weld Bung (M18x1.5mm) - Priced Each

ES#4007190 - 028092ecs11aKT - Stainless Steel Oxygen Sensor (O2) Weld Bung (M18x1.5mm) - Priced Each - Universal O2 weld bung for your custom exhaust project. Radius to contour 2.5" - 3.0" OD tube. - ECS - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Universal O2 weld bung for your custom exhaust project. Radius to contour 2.5" - 3.0" OD tube. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
4007190
Mfg#:
028092ECS11AKT
Ships on Nov 3, 2026
ON SALE! SAVE 25%
$3.99

This product was last offered at the strikethrough price on
06-13-2026

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

Universal Exhaust Tip - 3.5" - Priced Each

ES#2974336 - 35225 - Universal Exhaust Tip - 3.5" - Priced Each - Double wall stainless steel. 2.5" inlet, 3.5" outlet. - Magnaflow - Audi Volkswagen

Double wall stainless steel. 2.5" inlet, 3.5" outlet. Not vehicle specific. You MUST measure prior to purchasing!

Brand:
Magnaflow - Corporate Logo
ES#:
2974336
Mfg#:
35225
Ships in 1 Business Day
$82.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Fiberglass Exhaust Wrap - Black - 2" x 50'

ES#3022267 - HEA-WRAPKIT-BLK - Fiberglass Exhaust Wrap - Black - 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

Brand:
Prosport Performance - Corporate Logo
ES#:
3022267
Mfg#:
HEA-WRAPKIT-BLK
Ships in 10 Business Days
$28.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rennline Universal 4" Exhaust Tip - Black - Priced Each

ES#4690062 - EX17.BLACK - Rennline Universal 4" Exhaust Tip - Black - Priced Each - Stainless Steel exhaust tip featuring swivel attachment for maximum adjustability. 2.5" Swivel Inlet / 4.0" Double Wall, Slant Cut Outlet - Rennline - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Stainless Steel exhaust tip featuring swivel attachment for maximum adjustability. 2.5" Swivel Inlet / 4.0" Double Wall, Slant Cut Outlet Not vehicle specific. You MUST measure prior to purchasing!

Brand:
Rennline - Corporate Logo
ES#:
4690062
Mfg#:
EX17.BLACK
Ships in 6 Business Days
$109.00 USD
Free Shipping
on orders $49 and up

Rennline Universal 4" Exhaust Tips - Pair

ES#4772868 - ex17.blackKT - Rennline Universal 4" Exhaust Tips - Pair - Stainless Steel exhaust tips featuring swivel attachment for maximum adjustability. 2.5" Swivel Inlet / 4.0" Double Wall, Slant Cut Outlet - Rennline - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Stainless Steel exhaust tips featuring swivel attachment for maximum adjustability. 2.5" Swivel Inlet / 4.0" Double Wall, Slant Cut Outlet Not vehicle specific. You MUST measure prior to purchasing!

Brand:
Rennline - Corporate Logo
ES#:
4772868
Mfg#:
EX17.BLACKKT
Ships in 6 Business Days
$218.00 USD
Free Shipping
on orders $49 and up

Oxygen Sensor Thread Chaser

ES#4001163 - CTA2068 - Oxygen Sensor Thread Chaser - Remove rust and dirt for easy installation with this tool - CTA Tools - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Remove rust and dirt for easy installation with this tool

Brand:
CTA Tools - Corporate Logo
ES#:
4001163
Mfg#:
CTA2068
In Stock
$11.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Double-Walled Exhaust Tips - Brushed Silver

ES#3658973 - TPK0007 - Double-Walled Exhaust Tips - Brushed Silver - Pair of slash-cut double-walled 3.5 exhaust tips with 2.5" inlets - APR - Audi Volkswagen Porsche

Pair of slash-cut double-walled 3.5” exhaust tips with 2.5" inlets Call In Or Chat For Best Price!

Brand:
APR - Corporate Logo
ES#:
3658973
Mfg#:
TPK0007
Ships in 5 Business Days
ON SALE! SAVE 10%
$222.99

This product was last offered at the strikethrough price on
09-28-2026

$200.66 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

ECS "Ti.22" UNIVERSAL Exhaust Tip - 4.0" Titanium - Matte Finish - Priced Each

ES#4336424 - 011966LA07-02 - ECS "Ti.22" UNIVERSAL Exhaust Tip - 4.0" Titanium - Matte Finish - Priced Each - 2.5" Clamp-on Inlet / 4.0" Single Wall, Slant Cut Outlet - ECS - Audi BMW Volkswagen Mercedes Benz MINI Porsche

2.5" Clamp-on Inlet / 4.0" Single Wall, Slant Cut Outlet 10X Entries Into Our F80 M3 Sweepstakes
Not vehicle specific. You MUST measure prior to purchasing!

Brand:
ECS - Corporate Logo
ES#:
4336424
Mfg#:
011966LA07-02
Special Order: No Guaranteed ETA
ON SALE!
$203.99

This product was last offered at the strikethrough price on
06-13-2026

$197.87 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

ECS "Ti.22" UNIVERSAL Exhaust Tip - 3.5" Titanium - Burnt Finish - Priced Each

ES#4336425 - 011966LA07-05 - ECS "Ti.22" UNIVERSAL Exhaust Tip - 3.5" Titanium - Burnt Finish - Priced Each - 2.5" Clamp-on Inlet / 3.5" Single Wall, Slant Cut Outlet - ECS - Audi BMW Volkswagen Mercedes Benz MINI Porsche

2.5" Clamp-on Inlet / 3.5" Single Wall, Slant Cut Outlet 10X Entries Into Our F80 M3 Sweepstakes
Not vehicle specific. You MUST measure prior to purchasing!

Brand:
ECS - Corporate Logo
ES#:
4336425
Mfg#:
011966LA07-05
Special Order: No Guaranteed ETA
Limited Qty Sale
$197.99

This product was last offered at the strikethrough price on
10-07-2026

$165.99 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.

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

Terms of Use Privacy Policy Your Privacy Choices Cookie Policy ECS Tuning is part of Enthusiast Auto Holdings