Call Us330-331-2003 ChatLive Chat Text Us!
0
Sales & Specials
Enter Your Vehicle
garage-red
Your Vehicle Audi B8/B8.5 S4 Quattro 3.0T

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

Sort By
Filter By
Return to Top
ES#2603078 - 002411ECS02AKT4 -  Wheel Spacer & Bolt Kit - 12.5mm With 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 Into Our F80 M3 Sweepstakes
Fits most aftermarket wheels that use conical seat wheel bolts

Brand:
ECS - Corporate Logo
ES#:
2603078
Mfg#:
002411ECS02AKT4
In Stock
ON SALE! SAVE 25%
$184.99

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

$138.74 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2730474 - 8R0615108EKT2 - Front Big Brake Kit - Stage 2 - Plain Rotors (345x30) - Upgrade your brake system to the 4-piston Brembo Q5 calipers - ECS - Audi

Upgrade your brake system to the 4-piston Brembo Q5 calipers 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
2730474
Mfg#:
8R0615108EKT2
Ships Today
$1522.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement
ES#3478040 - 008050ecs01KT - Rear Lower Control Arm Brace - Audi B8 A4/A5/S4/S5 - Provides additional support to the rear lower control arms for flex reduction to enhance your driving experience - ECS - Audi

Provides additional support to the rear lower control arms for flex reduction to enhance your driving experience 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
3478040
Mfg#:
008050ECS01KT
In Stock
ON SALE! SAVE 10%
$187.99

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

$169.19 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3619007 - 116 050 0222/HD - Complete Heavy Duty Front Control Arm Kit - Keep your suspension in top shape - Includes all front control arms, ball joints, and hardware - Meyle HD - Audi

Keep your suspension in top shape - Includes all front control arms, ball joints, and hardware 5X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!
Fits models up through production date 11/2/2009 (M12 Ball Joints) - Please verify existing prior to ordering

Brand:
Meyle HD - Corporate Logo
ES#:
3619007
Mfg#:
116 050 0222/HD
Ships on Nov 23, 2026
$743.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4751517 - 034-604-7021 - 034 Motorsport 12.5mm Wheel Spacer - Pair - 12.5mm Wheel Spacer Pair is designed to fit most Audi & BMW vehicles with a 66.6mm center bore and 5x112mm wheel bolt patterns. - 034Motorsport - Audi

12.5mm Wheel Spacer Pair is designed to fit most Audi & BMW vehicles with a 66.6mm center bore and 5x112mm wheel bolt patterns. 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
4751517
Mfg#:
034-604-7021
Back Ordered
$106.00 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!

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#2748280 - 6-ECS-018 - Wheel Spacer & Bolt Kit - 8mm With Black Ball Seat Bolts - Add some flair to your Audi with our new wheel spacers - ECS - Audi

Add some flair to your Audi with our new wheel spacers 10X Entries Into Our F80 M3 Sweepstakes
Fits most aftermarket wheels that use ball seat wheel bolts

Brand:
ECS - Corporate Logo
ES#:
2748280
Mfg#:
6-ECS-018
In Stock
ON SALE! SAVE 10%
$148.99

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

$134.09 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4795396 - ESK6141 - Power Stop Euro-Stop Premium Front & Rear Brake Kit (345mm/330mm) - An authentic OE-specification 4-wheel braking solution featuring European-sourced pads, high-carbon smooth Geomet coated rotors, and strict ECE-R90 certification. - Power Stop - Audi

An authentic OE-specification 4-wheel braking solution featuring European-sourced pads, high-carbon smooth Geomet® coated rotors, and strict ECE-R90 certification. Models with 345mm Front & 330mm Rear Rotors

Brand:
Power Stop - Corporate Logo
ES#:
4795396
Mfg#:
ESK6141
Ships in 1-3 days
$483.99 USD
This product is lifetime replacement eligible Lifetime Replacement
ES#3219341 - MS100127 -  APR Coolant Performance System  - Drastically reduces intake air temps (IAT), minimizes heat soak, and provides increased performance! - APR - Audi

Drastically reduces intake air temps (IAT), minimizes heat soak, and provides increased performance! Call In Or Chat For Best Price!
*Pre-faclift models (up to 2012) require Fit Kit - Please see Fit Kit MS100136 or ES3219342 for a complet

Brand:
APR - Corporate Logo
ES#:
3219341
Mfg#:
MS100127
Back Ordered
11% off MSRP

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

$1799.99

This product was last offered at the strikethrough price on
09-28-2026

$1599.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2210294 - B8LPLED - LED License Plate Light Assemblies - Keep your plate illuminated brilliantly with new plate light LED's - ZiZa - Audi

Keep your plate illuminated brilliantly with new plate light LED's 10X Entries Into Our F80 M3 Sweepstakes
Does not fit vehicles with factory LED license plate lights

Brand:
ZiZa - Corporate Logo
ES#:
2210294
Mfg#:
B8LPLED
In Stock
ON SALE!
$64.79 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2568311 - 6-ECS-015 -  Wheel Spacer & Bolt Kit - 5mm With 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 Into Our F80 M3 Sweepstakes
Fits most aftermarket wheels that use conical seat wheel bolts

Brand:
ECS - Corporate Logo
ES#:
2568311
Mfg#:
6-ECS-015
Ships on Dec 7, 2026
ON SALE! SAVE 25%
$156.99

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

$117.74 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2952354 - 8R0615108EKT3 - Front Big Brake Kit - Stage 2 - No Rotors - Upgrade your brake system to the 4-piston Brembo Q5 calipers - ECS - Audi

Upgrade your brake system to the 4-piston Brembo Q5 calipers 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
2952354
Mfg#:
8R0615108EKT3
In Stock at Vendor
$1398.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement
ES#2626357 - 75658 - Rear Performance Air Ride Kit  - Allow your B8 Audi to sit on the ground! - Air Lift - Audi

Allow your B8 Audi to sit on the ground!

Brand:
Air Lift - Corporate Logo
ES#:
2626357
Mfg#:
75658
In Stock at Vendor
$1386.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4876600 - 048563LA02EBKT - B8 A4/S4/A5/S5 Selector Shaft Monoball & Transmission Mount Bushing Insert Kit - Eliminate the loose or sloppy feeling from your shifter and drivetrain! - Enthusiast Bundles - Audi

Eliminate the loose or sloppy feeling from your shifter and drivetrain! Don't See A Bundle You Want - Give Us A Call Or Chat - We Will Make One!

Brand:
Enthusiast Bundles - Corporate Logo
ES#:
4876600
Mfg#:
048563LA02EBKT
In Stock
ON SALE! SAVE 40%
$252.99

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

$152.54 USD
Free Shipping
on orders $49 and up
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.

ECS Tuning is not affiliated with any automobile manufacturers.
Manufacturer names and/or part numbers are used only for identification purposes.

Terms of Use Privacy Policy Your Privacy Choices Cookie Policy ECS Tuning is part of Enthusiast Auto Holdings