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Audi B6 A4 Quattro 1.8T Performance Exhaust Parts & Upgrades

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ES#4043061 - CTSEXHTP0002B6CA - CTS Turbo B6 A4 High-flow Cat Pipe  - Seamlessly fits in place of your restrictive stock cat - Features 3 stainless steel piping, smooth mandrel bends, and two 02 sensor bungs - CTS - Audi

Seamlessly fits in place of your restrictive stock cat - Features 3″ stainless steel piping, smooth mandrel bends, and two 02 sensor bungs affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
CTS - Corporate Logo
ES#:
4043061
Mfg#:
CTSEXHTP0002B6CA
In Stock
$249.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4505621 - 011966LA07-05KT - ECS "Ti.22" UNIVERSAL Exhaust Tips - 4.0" Titanium - Burnt Finish - Set of Four - 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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Not vehicle specific. You MUST measure prior to purchasing!

Brand:
ECS - Corporate Logo
ES#:
4505621
Mfg#:
011966LA07-05KT
In Stock
ON SALE! SAVE 33%
$799.96

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

$531.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
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#2864553 - 034-105-9000 - Longitudinal High Flow Exhaust Manifold - Stock fit high flow manifold - 034Motorsport - Audi

Stock fit high flow manifold affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
2864553
Mfg#:
034-105-9000
In Stock
$345.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3175267 - 251125 - Performance Stainless 2.5" Downpipe  - High flow, stainless downpipe kit to be used with 2.5" aftermarket exhaust - Techtonics Tuning - Audi

High flow, stainless downpipe kit to be used with 2.5" aftermarket exhaust affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Fits quattro 5-speed transmission models only - To be used with 2.5" aftermarket exhaust system

Brand:
Techtonics Tuning - Corporate Logo
ES#:
3175267
Mfg#:
251125
Ships on Jul 1, 2026
$286.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2974340 - 35229 - Universal Dual Exhaust Tip - Dual 3" - Pair - Double wall stainless steel. Single 2.25" inlet, Dual 3" outlet. - Magnaflow - Audi Volkswagen

Double wall stainless steel. Single 2.25" inlet, Dual 3" outlet. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Magnaflow - Corporate Logo
ES#:
2974340
Mfg#:
35229
Ships in 8 Business Days
$332.00 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#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#2974339 - 35228 - Universal Dual Exhaust Tip - Dual 3" - Left Side - Double wall stainless steel. Single 2.25" inlet, Dual 3" outlet. - Magnaflow - Audi Volkswagen

Double wall stainless steel. Single 2.25" inlet, Dual 3" outlet. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Magnaflow - Corporate Logo
ES#:
2974339
Mfg#:
35228
Ships in 2 Business Days
$166.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4423335 - 003358ECS07-01 - ECS UNIVERSAL Swivel Exhaust Tip - 4.0" Chrome - Priced Each - Stainless Steel exhaust tip featuring swivel attachment for maximum adjustability. 3.0" Swivel Inlet / 4.0" Double Wall, Slant Cut Outlet - ECS - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Stainless Steel exhaust tip featuring swivel attachment for maximum adjustability. 3.0" Swivel Inlet / 4.0" Double Wall, Slant Cut Outlet affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Not vehicle specific. You MUST measure prior to purchasing!

Brand:
ECS - Corporate Logo
ES#:
4423335
Mfg#:
003358ECS07-01
In Stock
ON SALE!
$129.99

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

$123.99 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

$1399.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

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