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Audi B6 S4 V8 Exhaust Parts & Accessories

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ES#4756568 - 041486ECS01 - Audi B6 S4 Catback Exhaust - Choose your own configuration along with your choice of exhaust tips and more! - ECS - Audi

Choose your own configuration along with your choice of exhaust tips and more! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

For Sedan models only.

Brand:
ECS - Corporate Logo
ES#:
4756568
Mfg#:
041486ECS01
Ships on Oct 29, 2026
ON SALE!
Starting at $833.33 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2827420 - SSXAU296 -  Cat-Back Exhaust System - Resonated - 2.25" stainless steel with dual 100mm 'GT100' style polished exhaust tips - Milltek Sport - Audi

2.25" stainless steel with dual 100mm 'GT100' style polished exhaust tips affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Milltek Sport - Corporate Logo
ES#:
2827420
Mfg#:
SSXAU296
Back Ordered
ON SALE! SAVE 10%
$1685.99

This product was last offered at the strikethrough price on
06-30-2026

$1516.73 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#471981 - N91130801 - Locking Nut - Priced Each  - Locking nut with flange. M8x1.25mm - Genuine Volkswagen Audi - Audi Volkswagen

Locking nut with flange. M8x1.25mm affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
471981
Mfg#:
N91130801
In Stock
$1.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2500792 - 8E0254505SXKIT - Remanufactured Catalytic Converter - Left - Price includes a $125 refundable core charge - Genuine Volkswagen Audi - Audi

Price includes a $125 refundable core charge affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with automatic transmission only

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2500792
Mfg#:
8E0254505SXKIT
Ships on Jul 17, 2026
$4420.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2532864 - 8E0254554QXKT - Remanufactured Catalytic Converter - Right - Price includes a $210 refundable core charge - Genuine Volkswagen Audi - Audi

Price includes a $210 refundable core charge affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with automatic transmission only

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2532864
Mfg#:
8E0254554QXKT
Ships on Jul 17, 2026
$4086.99 USD
This product is lifetime replacement eligible Lifetime Replacement
ES#4660138 - 042002la01KT - B6 S4 Muffler Delete Kit - With 4.0" Black Chrome Tips - Add an aggressive exhaust note to your B6 S4 so you can hear that V8 roar! - ECS - Audi

Add an aggressive exhaust note to your B6 S4 so you can hear that V8 roar! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4660138
Mfg#:
042002LA01KT
Ships in 5 Business Days
ON SALE! SAVE 10%
$463.99

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

$417.56 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

For Manual Transmissions - Comes with cats and 2.5" cat back affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
JH Motorsports  - Corporate Logo
ES#:
5376133
Mfg#:
JHM-B6S-LTHM
Ships in 10 Business Days
$3386.99 USD
Free Shipping
on orders $49 and up

For Automatic Transmissions - Comes with cats and 2.5" cat back affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
JH Motorsports  - Corporate Logo
ES#:
4759121
Mfg#:
JHM-B6S-LTH
Ships in 10 Business Days
$2799.99 USD
Free Shipping
on orders $49 and up
ES#3514254 - 764440 - Sport & Sound Cat-Back Exhaust System - Resonated  - Stainless steel resonated cat-back exhaust system with dual round, polished tips - Supersprint - Audi

Stainless steel resonated cat-back exhaust system with dual round, polished tips affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Supersprint - Corporate Logo
ES#:
3514254
Mfg#:
764440
In Stock
Limited Qty Sale
$3055.99

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

$2734.99 USD
Free Shipping
ES#3023 - 357253141A - Dual Clamp Exhaust Sleeve - Priced Each - Quiet down your leaking exhaust. 55mm - HJS - 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:
HJS - Corporate Logo
ES#:
3023
Mfg#:
357253141A
In Stock
$13.25 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4660245 - 042002LA01KT2 - B6 S4 Muffler Delete Kit - With 4.0" Chrome Tips - Add an aggressive exhaust note to your B6 S4 so you can hear that V8 roar! - ECS - Audi

Add an aggressive exhaust note to your B6 S4 so you can hear that V8 roar! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4660245
Mfg#:
042002LA01KT2
Ships in 5 Business Days
ON SALE! SAVE 15%
$463.99

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

$394.36 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4164713 - B6S4RESONATED - Cat-Back Exhaust System - Resonated - 2.25" stainless steel with your choice of tip style - Milltek Sport - Audi

2.25" stainless steel with your choice of tip style affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Milltek Sport - Corporate Logo
ES#:
4164713
Mfg#:
B6S4RESONATED
Back Ordered
ON SALE!
Starting at $1516.73 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#1892708 - 16586 - Cat-Back Exhaust System - 2.5" stainless steel with dual 4" polished stainless tips - Magnaflow - Audi

2.5" stainless steel with dual 4" polished stainless tips affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Magnaflow - Corporate Logo
ES#:
1892708
Mfg#:
16586
Back Ordered
$1646.00 USD
This product is lifetime replacement eligible Lifetime Replacement
ES#11898 - 16978 - Oxygen Sensor - Priced Each - Keep your engine running efficiently - Bosch - Audi

Keep your engine running efficiently affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
11898
Mfg#:
16978
In Stock at Vendor
$128.99

This product was last offered at the strikethrough price on
05-19-2026

$110.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4164715 - B6S4NONRESONATED - Cat-Back Exhaust System - Non-Resonated - 2.25" stainless steel with your choice of tip style - Milltek Sport - Audi

2.25" stainless steel with your choice of tip style affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Milltek Sport - Corporate Logo
ES#:
4164715
Mfg#:
B6S4NONRESONATED
Ships in 3 Business Days
ON SALE!
Starting at $1337.61 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2650716 - EXH005 - Performance Exhaust Hanger - Priced Each - Holds up your exhaust and keeps it from swaying - Powerflex - Audi MINI

Holds up your exhaust and keeps it from swaying affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Powerflex - Corporate Logo
ES#:
2650716
Mfg#:
EXH005
In Stock
$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.

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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