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Audi B8/B8.5 A4 Quattro 2.0T

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Audi B8/B8.5 A4 Quattro 2.0T Performance Parts & Upgrades

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Audi B8.5 S4 / A4 S-Line Gloss Black Grille Accent Set - Facelift

ES#3697648 - 027963ECS01 - Audi B8.5 S4 / A4 S-Line Gloss Black Grille Accent Set - Facelift - Upgrade your exterior styling - ECS - Audi

Upgrade your exterior styling affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Fits Facelift models with S-Line(S4) front bumpers from the 2013 model year

Brand:
ECS - Corporate Logo
ES#:
3697648
Mfg#:
027963ECS01
In Stock
ON SALE! SAVE 20%
$273.99

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

$219.19 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Carbon Fiber Front Lip Spoiler - Audi B8.5 A4/S4

ES#3046047 - 013875ECS01A - Carbon Fiber Front Lip Spoiler - Audi B8.5 A4/S4 - Hand-laid carbon fiber to upgrade your exterior styling - ECS - Audi

Hand-laid carbon fiber to upgrade your exterior styling affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

For S-Line models from the 2013 model year (Facelift)

Brand:
ECS - Corporate Logo
ES#:
3046047
Mfg#:
013875ECS01A
In Stock
ON SALE! SAVE 15%
$999.99

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

$849.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Adjustable Front Upper Control Arm Kit

ES#3557373 - 8136181362KT - Adjustable Front Upper Control Arm Kit - Correct your camber and eliminate inner tire wear - Complete kit for both sides! - SPC - Audi

Correct your camber and eliminate inner tire wear - Complete kit for both sides! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
SPC - Corporate Logo
ES#:
3557373
Mfg#:
8136181362KT
Ships in 5 Business Days
$899.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Wheel Spacer & Bolt Kit - 10mm With Black Conical Seat Bolts

ES#2748283 - 002411ECS02AKT1 - Wheel Spacer & Bolt Kit - 10mm With Black Conical Seat Bolts - Complete kit for two wheels, comes with everything you need to install spacers on your aftermarket wheels - ECS - Audi

Complete kit for two wheels, comes with everything you need to install spacers on your aftermarket wheels affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Fits most aftermarket wheels that use conical seat wheel bolts

Brand:
ECS - Corporate Logo
ES#:
2748283
Mfg#:
002411ECS02AKT1
In Stock
ON SALE! SAVE 10%
$161.99

This product was last offered at the strikethrough price on
01-03-2026

$145.34 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Wheel Spacer & Bolt Kit - 12.5mm With Black Conical Seat Bolts

ES#2748285 - 002411ECS02AKT7 - Wheel Spacer & Bolt Kit - 12.5mm With Black Conical Seat Bolts - Complete kit for two wheels, comes with everything you need to install spacers on your aftermarket wheels - ECS - Audi

Complete kit for two wheels, comes with everything you need to install spacers on your aftermarket wheels affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Fits most aftermarket wheels that use conical seat wheel bolts

Brand:
ECS - Corporate Logo
ES#:
2748285
Mfg#:
002411ECS02AKT7
In Stock
ON SALE! SAVE 25%
$209.99

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

$157.41 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

ST X Performance Coilover System - Fixed Damping

ES#4056953 - 13210075 - ST X Performance Coilover System - Fixed Damping - Set your vehicle low and tight for optimal performance. - Suspension Techniques - Audi

Set your vehicle low and tight for optimal performance. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Sedan Models Only - Average lowering of 1.0'' to 2.2'' front and 1.0" to 2.0" rear - Vehicles equipped with Electronic Damping Control (EDC) will lose shock dampening and receive a system error code with coilover systems

Brand:
Suspension Techniques - Corporate Logo
ES#:
4056953
Mfg#:
13210075
In Stock
$1089.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

P3 Gauge - Audi A4/S4/RS4/A5/S5/RS5 B8

ES#4070773 - L3P3AB8X - P3 Gauge - Audi A4/S4/RS4/A5/S5/RS5 B8 - Powerful plug-and-play multifunction display. - P3 Gauges - Audi

Powerful plug-and-play multifunction display. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
P3 Gauges - Corporate Logo
ES#:
4070773
Mfg#:
L3P3AB8X
In Stock
$389.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Billet X-Brace - Black - Audi B8.5/Porsche Macan

ES#4220368 - 004802la01aKT - Billet X-Brace - Black - Audi B8.5/Porsche Macan - Improve steering feel and handling! - ECS - Audi Porsche

Improve steering feel and handling! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Fits Facelift models from the 2013 model year.

Brand:
ECS - Corporate Logo
ES#:
4220368
Mfg#:
004802LA01AKT
Ships on Oct 29, 2026
Auto Notify
ON SALE! SAVE 25%
$560.99

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

$420.74 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Audi/Porsche Thrust Arm Monoball Upgrade - Pre-Installed in Meyle HD Arms (M14 Ball Joints)

ES#4389690 - 006418LA01 - Audi/Porsche Thrust Arm Monoball Upgrade - Pre-Installed in Meyle HD Arms (M14 Ball Joints) - Eliminate deflection caused by stock rubber bushings! - ECS - Audi Porsche

Eliminate deflection caused by stock rubber bushings! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Fits models from production date 11/3/2009 (M14 Ball Joints)

Brand:
ECS - Corporate Logo
ES#:
4389690
Mfg#:
006418LA01
In Stock
ON SALE!
$746.99

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

$724.58 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Audi B8.5 S4 Facelift Rear Diffuser & Trunk Spoiler

ES#4751213 - 026861ECS01EBKT - Audi B8.5 S4 Facelift Rear Diffuser & Trunk Spoiler - Add some aggressive styling to your Audi! - Enthusiast Bundles - Audi

Add some aggressive styling to your Audi! 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
Fits facelift B8.5 (2013+) S-Line models with quad tips only

Brand:
Enthusiast Bundles - Corporate Logo
ES#:
4751213
Mfg#:
026861ECS01EBKT
In Stock
ON SALE! SAVE 49%
$785.48

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

$399.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Dynamic+ Adjustable Rear Sway Bar End Link Kit

ES#4429979 - 034-402-4030 - Dynamic+ Adjustable Rear Sway Bar End Link Kit - Replace your flimsy, imprecise OEM sway bar end links with the performance engineered Dynamic+ Adjustable Rear Sway Bar End Link - 034Motorsport - Audi

Replace your flimsy, imprecise OEM sway bar end links with the performance engineered Dynamic+ Adjustable Rear Sway Bar End Link affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
4429979
Mfg#:
034-402-4030
In Stock
ON SALE! SAVE 10%
$171.00

This product was last offered at the strikethrough price on
06-28-2026

$153.90 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Audi B8/B8.5 A4/S4 Rear Window Spoiler - Gloss Black

ES#3713982 - 028446ECS01 - Audi B8/B8.5 A4/S4 Rear Window Spoiler - Gloss Black - Add subtle styling to complete the look! - ECS - Audi

Add subtle styling to complete the look! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3713982
Mfg#:
028446ECS01
In Stock
ON SALE! SAVE 15%
$201.99

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

$171.69 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

3" Downpipe w/ High Flow Cat

ES#4045995 - B820THFCPipe - 3" Downpipe w/ High Flow Cat - Replace your factory downpipe with this upgraded JHM high flow cat! - JH Motorsports - Audi

Replace your factory downpipe with this upgraded JHM high flow cat! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
JH Motorsports - Corporate Logo
ES#:
4045995
Mfg#:
B820THFCPIPE
In Stock
$524.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Adjustable Rear Toe Arms - Audi B8/Porsche Macan

ES#3624747 - 027967ecs01 - Adjustable Rear Toe Arms - Audi B8/Porsche Macan - Adjust your rear toe angle and improve handling with these ECS Heavy Duty Toe Arms - ECS - Audi Porsche

Adjust your rear toe angle and improve handling with these ECS Heavy Duty Toe Arms affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3624747
Mfg#:
027967ECS01
In Stock
ON SALE! SAVE 25%
$217.99

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

$163.49 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Bilstein B12 Pro-Kit Suspension System

ES#2983799 - 46-183323 - Bilstein B12 Pro-Kit Suspension System - Expertly matched performance Eibach Pro-line lowering springs and Bilstein shock/strut package for a dramatic increase in performance handling. World-famous Bilstein quality with a limited lifetime warranty! - Bilstein - Audi

Expertly matched performance Eibach Pro-line lowering springs and Bilstein shock/strut package for a dramatic increase in performance handling. World-famous Bilstein quality with a limited lifetime warranty! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
2X Entries For Our Spin To Win Sweepstakes!
For Sedan models. Lowers 35mm front, 30mm rear

Brand:
Bilstein - Corporate Logo
ES#:
2983799
Mfg#:
46-183323
In Stock
17% off MSRP

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

$1082.00

This product was last offered at the strikethrough price on
07-01-2026

$899.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Wheel Spacer & Bolt Kit - 17.5mm With Black Ball Seat Bolts

ES#2748288 - 6-ECS-023 - Wheel Spacer & Bolt Kit - 17.5mm With Black Ball Seat Bolts - Add some style to your Audi with these wheel spacers - ECS - Audi

Add some style to your Audi with these wheel spacers affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Fits OEM wheels, or wheels that use OEM ball seat wheel bolts

Brand:
ECS - Corporate Logo
ES#:
2748288
Mfg#:
6-ECS-023
In Stock
ON SALE! SAVE 25%
$173.99

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

$130.49 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

More About Performance Parts & Upgrades

All the performance upgrade options from the best brands in the business to help build your dreams. Our performance parts catalog is the largest anywhere and constantly growing to keep your build on track.

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Manufacturer names and/or part numbers are used only for identification purposes.

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