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Audi B6 Performance Cat-Back Exhausts

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ES#4505667 - 016837ECS - Audi B6 A4 1.8T Exhaust System - Cat Back  - Downpipe & Catback along with your choice of exhaust tips and more! - ECS - Audi

Downpipe & Catback 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 5 and 6 speed manual transmissions only

Brand:
ECS - Corporate Logo
ES#:
4505667
Mfg#:
016837ECS
In Stock
ON SALE!
Starting at $899.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
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
In Stock
ON SALE!
Starting at $709.97 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
$1685.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
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#2827275 - SSXAU089 - Cat-Back Exhaust System - Resonated - 2.5" stainless steel with dual 100mm polished tips - Milltek Sport - Audi

2.5" stainless steel with dual 100mm polished tips affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Fits 5 speed manual only

Brand:
Milltek Sport - Corporate Logo
ES#:
2827275
Mfg#:
SSXAU089
Ships in 4 Business Days
$1875.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2827276 - SSXAU090 - Cat-Back Exhaust System - Resonated - 2.5" stainless steel with dual 100mm polished tips - Milltek Sport - Audi

2.5" stainless steel with dual 100mm polished tips affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Fits 6 speed manual only

Brand:
Milltek Sport - Corporate Logo
ES#:
2827276
Mfg#:
SSXAU090
Ships in 4 Business Days
$1875.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2827253 - SSXAU034 - Cat-Back Exhaust - Resonated  - 2.5" stainless steel and 90mm tips - Milltek Sport - Audi

2.5" stainless steel and 90mm tips affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For 6 speed manual transmission Avant models only,

Brand:
Milltek Sport - Corporate Logo
ES#:
2827253
Mfg#:
SSXAU034
Ships in 4 Business Days
$1856.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2827252 - SSXAU033 - Cat-Back Exhaust System - Resonated - 2.5" stainless steel with dual 90mm polished tips - Milltek Sport - Audi

2.5" stainless steel with dual 90mm polished tips affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Fits 5 speed manual only

Brand:
Milltek Sport - Corporate Logo
ES#:
2827252
Mfg#:
SSXAU033
Ships in 4 Business Days
$1856.99 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
Ships on Jun 18, 2026
Starting at $1685.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2827429 - SSXAU305 - Cat-Back Exhaust System - Non-Resonated - 2.5" stainless steel with dual 100mm polished tips - Milltek Sport - Audi

2.5" stainless steel with dual 100mm polished tips affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Fits 5 speed manual only

Brand:
Milltek Sport - Corporate Logo
ES#:
2827429
Mfg#:
SSXAU305
Ships in 4 Business Days
$1657.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2827430 - SSXAU306 - Cat-Back Exhaust System - Non-Resonated - 2.5" stainless steel with dual 100mm polished tips - Milltek Sport - Audi

2.5" stainless steel with dual 100mm polished tips affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Fits 6 speed manual only

Brand:
Milltek Sport - Corporate Logo
ES#:
2827430
Mfg#:
SSXAU306
Ships in 4 Business Days
$1657.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3106950 - 140100 - Performance Cat-Back Exhaust System - 2" stainless steel with dual 3.19" polished stainless tips - Borla - Audi

2" stainless steel with dual 3.19" polished stainless tips affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Borla - Corporate Logo
ES#:
3106950
Mfg#:
140100
In Stock at Vendor
$1649.99 USD
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#1892705 - 16601 - Cat-Back Exhaust System - 2.25" stainless steel with dual 4" polished stainless tips - Magnaflow - Audi

2.25" stainless steel with dual 4" polished stainless tips affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Fits both manual & automatic transmission vehicles

Brand:
Magnaflow - Corporate Logo
ES#:
1892705
Mfg#:
16601
Back Ordered
$1521.00 USD
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
Starting at $1486.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4751095 - 016837LA01EBKT - B6 A4 1.8T Cat Back Exhaust System & Street Shield Aluminum Skid Plate Kit - Enhance the sounds of your A4 and keep it protected with an ECS Tuning Street Shield - Enthusiast Bundles - Audi

Enhance the sounds of your A4 and keep it protected with an ECS Tuning Street Shield Don't See A Bundle You Want - Give Us A Call Or Chat - We Will Make One! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For 5 and 6 speed manual transmissions only

Brand:
Enthusiast Bundles - Corporate Logo
ES#:
4751095
Mfg#:
016837LA01EBKT
In Stock
ON SALE! SAVE 16%
$1674.99

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

$1399.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

More About Performance Cat-Back Exhausts

Give your exhaust a much-needed increase in volume with our selection of choice performance cat-back exhaust systems.

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