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Audi B8/B8.5 S4 Quattro 3.0T

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

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B8/B8.5 A4/S4 Lowering Spring Set

ES#4620230 - 047330LA01 - B8/B8.5 A4/S4 Lowering Spring Set - Dramatically improve looks and handling with and average lowering up to 1.6" front and rear. - ECS - Audi

Dramatically improve looks and handling with and average lowering up to 1.6" front and rear. 10X Entries For Our 25th Anniversary Sweepstakes!
Manufactured 100% in the USA

Brand:
ECS - Corporate Logo
ES#:
4620230
Mfg#:
047330LA01
In Stock
ON SALE!
$285.99

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

$276.74 USD
Free Shipping
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! 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

Rear V5 Slotted Brake Rotors - Set (330x22)

ES#4668333 - 4H0615601Q-S - Rear V5 Slotted Brake Rotors - Set (330x22) - Precision manufactured for consistent stopping power during high performance driving. Featuring a matte black zinc coating for corrosion protection. - ECS - Audi

Precision manufactured for consistent stopping power during high performance driving. Featuring a matte black zinc coating for corrosion protection. 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4668333
Mfg#:
4H0615601Q-S
In Stock
ON SALE!
$374.99

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

$363.73 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Audi B8/8.5 S4 Valved Exhaust System - Resonated With 4" Chrome Swivel Tips

ES#3619908 - 008553ecs01KT - Audi B8/8.5 S4 Valved Exhaust System - Resonated With 4" Chrome Swivel Tips - ECS evolutionary design and manufacturing, blending with raw emotion, desire and passion, creating a truly unique driving experience - ECS - Audi
ECS Tuning recommends this product.

ECS evolutionary design and manufacturing, blending with raw emotion, desire and passion, creating a truly unique driving experience 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3619908
Mfg#:
008553ECS01KT
In Stock
ON SALE! SAVE 10%
$2192.99

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

$1973.69 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

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 10X Entries For Our 25th Anniversary Sweepstakes!

Fits Facelift models 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

Front 2-Piece Brake Rotors - Pair (345x30)

ES#2602983 - 000690ECS01AKT - Front 2-Piece Brake Rotors - Pair (345x30) - Direct bolt-on replacement - 25% less weight! - ECS - Audi Porsche

Direct bolt-on replacement - 25% less weight! 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
2602983
Mfg#:
000690ECS01AKT
Ships on Dec 31, 2026
Auto Notify
ON SALE! SAVE 10%
$1019.99

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

$917.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

IE Audi 3.0T Crank Pulley Upgrade Kit - 207mm

ES#4491708 - IEBAVJ6 - IE Audi 3.0T Crank Pulley Upgrade Kit - 207mm - Increases boost for "dual pulley" tune power levels without replacing the press-on supercharger pulley for an easier install. - Integrated Engineering - Audi

Increases boost for "dual pulley" tune power levels without replacing the press-on supercharger pulley for an easier install. 5X Entries For Our 25th Anniversary Sweepstakes!
Requires stage 2 dual pulley ECU tune

Brand:
Integrated Engineering - Corporate Logo
ES#:
4491708
Mfg#:
IEBAVJ6
In Stock
$497.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

AWE Non-Resonated Downpipes - Audi 3.0T

ES#4043944 - 3220-11010 - AWE Non-Resonated Downpipes - Audi 3.0T - Suited for owners seeking a "loud" and aggressive sounding system. - AWE - Audi

Suited for owners seeking a "loud" and aggressive sounding system.

Brand:
AWE - Corporate Logo
ES#:
4043944
Mfg#:
3220-11010
In Stock
$745.00 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 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!
$152.99

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

$145.34 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. Sedan Models Only - Average lowering of 0.6'' to 1.8'' front and 0.6" to 1.6" 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

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! 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

Bilstein B12 Pro-Kit Suspension System

ES#2983800 - 46-183330 - 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! 2X Entries For Our 25th Anniversary Sweepstakes!
For Vehicles Without Electronic Suspension
Lowers 35mm front, 30mm rear

Brand:
Bilstein - Corporate Logo
ES#:
2983800
Mfg#:
46-183330
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.

$1155.00

This product was last offered at the strikethrough price on
07-26-2026

$959.00 USD
Free Shipping
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 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

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! 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

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 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

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