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Audi B8/B8.5 S4 Quattro 3.0T Performance Parts & Upgrades

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ES#4389692 - 006418la01KT - Audi Thrust Arm Monoball Upgrade Kit - Front Lower, Inner - Eliminate deflection caused by stock rubber bushings! - ECS - Audi

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!

For the curved control arm with 75mm bushings up to the 2012 model year. Fits all models from 2013+

Brand:
ECS - Corporate Logo
ES#:
4389692
Mfg#:
006418LA01KT
In Stock
ON SALE! SAVE 15%
$429.99

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

$365.49 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4508665 - 8k0721257eKT - Adjustable Metal Extended Slave Cylinder Kit - Improve clutch pedal feel and the push clutch to start issue all at once! - Assembled By ECS - Audi

Improve clutch pedal feel and the push clutch to start issue all at once! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
4508665
Mfg#:
8K0721257EKT
In Stock
$327.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2992519 - 008288ECS01 -  Front Position Rear Differential Mount Insert Kit - Decrease differential slop for better drivetrain response! - ECS - Audi Porsche

Decrease differential slop for better drivetrain response! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
2992519
Mfg#:
008288ECS01
In Stock
ON SALE! SAVE 25%
$93.99

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

$70.49 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2998988 - 002292ECS01 - Billet Aluminum Oil Filter Housing Cap - Aluminum oil filter housing replacement for plastic OE housing cap - ECS - Audi Volkswagen

Aluminum oil filter housing replacement for plastic OE housing cap affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
2998988
Mfg#:
002292ECS01
In Stock
ON SALE!
$132.99

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

$129.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2996602 - 013868ECS01A - Carbon Fiber Trunk Spoiler - Audi B8 A4/S4 - Add a touch of style and real carbon fiber to your Audi - ECS - Audi

Add a touch of style and real carbon fiber to your Audi affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
2996602
Mfg#:
013868ECS01A
In Stock
ON SALE! SAVE 36%
$626.99

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

$400.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4616350 - 012575la01KT1 - B8 A4/S4/A5/S5 Manual - Driveshaft Center Support - As our beloved B8's age the stock center support bearing starts to wear out causing drivetrain clunk. This upgraded unit keeps the driveshaft firmly in place at all times and its polyurethane construction ensures it will outlast the squishy rubber bushing - ECS - Audi

As our beloved B8's age the stock center support bearing starts to wear out causing drivetrain clunk. This upgraded unit keeps the driveshaft firmly in place at all times and its polyurethane construction ensures it will outlast the squishy rubber bushing affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4616350
Mfg#:
012575LA01KT1
Ships on Jul 1, 2026
Auto Notify
ON SALE! SAVE 20%
$302.81

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

$242.25 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement
ES#4220371 - 004802LA01AKT4 - Billet X-Brace - Red - Audi B8 - Improve steering feel and handling! - ECS - Audi

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

Fits Pre-Facelift models up to the 2012 model year

Brand:
ECS - Corporate Logo
ES#:
4220371
Mfg#:
004802LA01AKT4
Ships on Aug 17, 2026
Auto Notify
ON SALE! SAVE 25%
$473.99

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

$355.49 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4751074 - 025412ECS01EB2KT - Adjustable Damping Performance Coilover System - Audi B8/B8.5 & Thrust Arm Monoball Upgrade (M14 Ball Joints) - Take control of your ride while going low with our sport-tuned coilover system! - Enthusiast Bundles - Audi

Take control of your ride while going low with our sport-tuned coilover system! 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

Brand:
Enthusiast Bundles - Corporate Logo
ES#:
4751074
Mfg#:
025412ECS01EB2KT
In Stock
ON SALE! SAVE 22%
$1887.31

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

$1478.77 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2816884 - 010257ECS02KT - Carbon Fiber Mirror Cap Set - Audi B8 A4/S4 - 8P A3 - Upgrade your exterior look - ECS - Audi

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

For vehicles without lane change assist

Brand:
ECS - Corporate Logo
ES#:
2816884
Mfg#:
010257ECS02KT
In Stock
$373.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4858221 - IEINCG5 - Polymer Air Intake System - Up to +25HP gains with tuning - Integrated Engineering - Audi

Up to +25HP gains with tuning affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Integrated Engineering - Corporate Logo
ES#:
4858221
Mfg#:
IEINCG5
In Stock
$469.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2779628 - SA303H-3 - Stage 2+ Clutch Kit - Features a full faced, multi-friction disc with a torque rating of 490ft/lbs - Spec Clutches - Audi

Features a full faced, multi-friction disc with a torque rating of 490ft/lbs affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Spec Clutches - Corporate Logo
ES#:
2779628
Mfg#:
SA303H-3
Ships in 4 Business Days
$1089.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3219160 - MS100128 - APR 3.0 TFSI Ultracharger System  - Dramatically increases horsepower and torque, and maximizes the power potential of the 3.0 TFSI - APR - Audi

Dramatically increases horsepower and torque, and maximizes the power potential of the 3.0 TFSI Call In Or Chat For Best Price! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!
APR’s Ultracharger ECU Upgrade is included for those who currently have an APR Stage 2 ECU Upgrade. APR

Brand:
APR - Corporate Logo
ES#:
3219160
Mfg#:
MS100128
Ships on Jul 8, 2026
11% off MSRP

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

$1037.99

This product was last offered at the strikethrough price on
06-11-2026

$921.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3191300 - 022697ECS01 - Carbon Fiber Antenna Cover - Add a unique, lightweight look to your ride - ECS - Audi Volkswagen

Add a unique, lightweight look to your ride affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Fits from the 2013 model year

Brand:
ECS - Corporate Logo
ES#:
3191300
Mfg#:
022697ECS01
In Stock
ON SALE! SAVE 20%
$95.99

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

$76.79 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2748278 - 6-ECS-015 - Wheel Spacer & Bolt Kit - 5mm With Black Ball Seat Bolts - Get the right size wheel spacer for your Audi - ECS - Audi

Get the right size wheel spacer for your Audi 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#:
2748278
Mfg#:
6-ECS-015
In Stock
ON SALE! SAVE 25%
$137.99

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

$103.27 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4316395 - 006225LA01 - Audi B8/B8.5 S4/S5 3.0T Enclosed Luft-Technik Intake System - Matte Black Textured Lid - Engineered for increased engine performance with show quality looks - ECS - Audi

Engineered for increased engine performance with show quality looks affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4316395
Mfg#:
006225LA01
Ships on Sep 4, 2026
Auto Notify
ON SALE! SAVE 20%
$531.99

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

$425.57 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2731115 - 50556651SW - DRA Series Trak Spacers - 25mm (1 Pair) Black - Get that stance that you've been craving with these new spacers - H&R - Audi Mercedes Benz Porsche

Get that stance that you've been craving with these new spacers affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
H&R - Corporate Logo
ES#:
2731115
Mfg#:
50556651SW
In Stock
$189.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

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