Shop Our Clearance Sale - Up To 80% Off FREE SHIPPING on Orders $49+ *exclusions apply
affirm financing terms & conditions

Menu

Call Us330-331-2003 ChatLive Chat Text Us!
0 Shopping Cart
Your Vehicle Clear

Audi B8/B8.5 A4 Quattro 2.0T

    • Audi
    • BMW
    • Mercedes Benz
    • MINI
    • Porsche
    • Volkswagen

Saved Vehicles

My Vehicles
You currently have no stored vehicles.

Recent Vehicles

Recent Vehicles Manage Vehicles

You currently have no recent vehicles.

We'll automatically keep fully selected vehicles here for your convenience.

Call Us330-331-2003 ChatLive Chat Text Us!
Track My Order View Order History Submit a Return Contact Us Wholesale Information Lifetime Replacement Returns and Warranty Information
0
Call Us330-331-2003 ChatLive Chat Text Us!
Track My Order View Order History Submit a Return Contact Us Wholesale Information Lifetime Replacement Returns and Warranty Information
Cancel
0
Sales & Specials
Enter Your Vehicle
affirm financing terms & conditions
garage-red
Your Vehicle Audi B8/B8.5 A4 Quattro 2.0T
Your Vehicle Audi B8/B8.5 A4 Quattro 2.0T
Change Clear

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

Sort By
Filter By
Return to Top

Audi B8 Billet Aluminum Front Strut Tower / Chassis Brace

ES#4137422 - 028501ecs01KT - Audi B8 Billet Aluminum Front Strut Tower / Chassis Brace - Provides additional support to the strut towers for flex reduction to enhance your driving experience - ECS - Audi

Provides additional support to the strut towers for flex reduction to enhance your driving experience affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4137422
Mfg#:
028501ECS01KT
In Stock
ON SALE! SAVE 10%
$171.99

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

$154.79 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Audi B8.5 S4 / A4 S-Line Forged Carbon Fiber Rear Diffuser

ES#4490851 - 018359ECS01-02 - Audi B8.5 S4 / A4 S-Line Forged Carbon Fiber Rear Diffuser - Hand-laid chopped carbon fiber to upgrade your exterior styling - ECS - Audi

Hand-laid chopped 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!

Fits S-Line bumpers from the 2013 model year

Brand:
ECS - Corporate Logo
ES#:
4490851
Mfg#:
018359ECS01-02
In Stock
ON SALE! SAVE 30%
$998.99

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

$699.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Stage 2 IE Performance ECU Tune - Includes TCU Tune & POWERlink Cable

ES#5375506 - IESOCGT2+TCU - Stage 2 IE Performance ECU Tune - Includes TCU Tune & POWERlink Cable - Average gain of 83 horsepower and 82 lb-ft of torque on 91 Octane - Integrated Engineering - Audi

Average gain of 83 horsepower and 82 lb-ft of torque on 91 Octane affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!
For 8-speed automatic transmissions only

Brand:
Integrated Engineering - Corporate Logo
ES#:
5375506
Mfg#:
IESOCGT2+TCU
In Stock
ON SALE! SAVE 15%
$1177.99

This product was last offered at the strikethrough price on
06-25-2026

$1001.29 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

B8 A4 Pre-Facelift (09-12) S-line Rear Diffuser - Single Exit - Gloss Black

ES#4701364 - 051610LA01-01 - B8 A4 Pre-Facelift (09-12) S-line Rear Diffuser - Single Exit - Gloss Black - Add some aggressive styling to your Audi! - ECS - Audi

Add some aggressive styling 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#:
4701364
Mfg#:
051610LA01-01
In Stock
ON SALE! SAVE 20%
$373.99

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

$299.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

CTS Turbo Sport Lower Control Arm Kit CTS Turbo

ES#4743108 - CTS-SUS-3006 - CTS Turbo Sport Lower Control Arm Kit CTS Turbo - Features sturdier durometer bushings, providing increased confidence and stability during cornering. - CTS - Audi

Features sturdier durometer bushings, providing increased confidence and stability during cornering. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Fits models from production date 11/3/2009 (M14 Ball Joints)

Brand:
CTS - Corporate Logo
ES#:
4743108
Mfg#:
CTS-SUS-3006
Back Ordered
ON SALE! SAVE 15%
$479.99

This product was last offered at the strikethrough price on
06-25-2026

$407.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Adjustable Short Throw Shifter

ES#2842154 - 004113ECS01A - Adjustable Short Throw Shifter - Find your perfect setting with 4 steps of throw reduction - ECS - Audi

Find your perfect setting with 4 steps of throw reduction affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
2842154
Mfg#:
004113ECS01A
In Stock
ON SALE!
$471.99

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

$448.39 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Ignition Service Kit

ES#4056350 - 06E905115FKT6 - Ignition Service Kit - Includes four Bosch red coil packs and four NGK iridium spark plugs (BKR8EIX - One heat range colder) - Assembled By ECS - Audi Volkswagen

Includes four Bosch red coil packs and four NGK iridium spark plugs (BKR8EIX - One heat range colder) affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Beneficial to cars with basic performance upgrades

Brand:
Assembled By ECS - Corporate Logo
ES#:
4056350
Mfg#:
06E905115FKT6
In Stock
$219.99

This product was last offered at the strikethrough price on
03-12-2026

$180.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Mahle Motorsport/Vandervell Race Rod Bearing Set

ES#2918543 - MAH-VC1027 - Mahle Motorsport/Vandervell Race Rod Bearing Set - The highest quality race bearings available. - Mahle - Audi Volkswagen

The highest quality race bearings available. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Not for use with stock rods

Brand:
Mahle - Corporate Logo
ES#:
2918543
Mfg#:
MAH-VC1027
In Stock
$293.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

KW V1 Series Coilover Kit

ES#2091966 - 10210075 - KW V1 Series Coilover Kit - Variant 1 coilovers offer the best balance between sporty driving and comfort - KW Suspension - Audi

Variant 1 coilovers offer the best balance between sporty driving and comfort affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Fits sedan models without factory EDC. Range of lowering is 0.8-1.5" in the front and 0.4-1.5" in the rear.

Brand:
KW Suspension - Corporate Logo
ES#:
2091966
Mfg#:
10210075
In Stock at Vendor
$2194.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

JHM Solid Short Throw Shifter

ES#4046142 - STS-B8AS4AS5 - JHM Solid Short Throw Shifter - If you desire the ultimate in shifting, the JH Motorsports B8 A4/A5/S4 and S5 Solid Short Throw Shifter is the perfect solution! - JH Motorsports - Audi

If you desire the ultimate in shifting, the JH Motorsports B8 A4/A5/S4 and S5 Solid Short Throw Shifter is the perfect solution! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
JH Motorsports - Corporate Logo
ES#:
4046142
Mfg#:
STS-B8AS4AS5
Ships in 5 Business Days
$299.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Audi B8/B8.5 Luft-Technik Intake Air Scoop v2

ES#4315808 - 008184LA01 - Audi B8/B8.5 Luft-Technik Intake Air Scoop v2 - Extends farther down behind the grille to direct more air to the intake system - ECS - Audi

Extends farther down behind the grille to direct more air to the intake system affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4315808
Mfg#:
008184LA01
In Stock
ON SALE! SAVE 10%
$141.99

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

$127.79 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Street Density Line Motor Mounts - Pair

ES#3612476 - 034-509-0061KT - Street Density Line Motor Mounts - Pair - Now manufactured with 45 durometer rubber, 034Motorsport's Street Density Mounts are the new standard in comfort and performance! - 034Motorsport - Audi

Now manufactured with 45 durometer rubber, 034Motorsport's Street Density Mounts are the new standard in comfort and performance! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
3612476
Mfg#:
034-509-0061KT
In Stock
ON SALE! SAVE 10%
$528.00

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

$475.20 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Performance Baffled Oil Catch Can System - Audi B8 A4/A5 2.0T

ES#2960610 - 004136ecs01KT - Performance Baffled Oil Catch Can System - Audi B8 A4/A5 2.0T - Keep your intake tract clean and carbon free - ECS - Audi

Keep your intake tract clean and carbon free affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

For vehicles with plastic intake manifolds

Brand:
ECS - Corporate Logo
ES#:
2960610
Mfg#:
004136ECS01KT
Ships in 7 Business Days
ON SALE! SAVE 10%
$673.99

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

$606.59 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Carbon Fiber Front Lip Spoiler - Audi B8 A4 S-Line/S4

ES#3170969 - 006364ECS01A - Carbon Fiber Front Lip Spoiler - Audi B8 A4 S-Line/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 only up to the 2012 model year (Pre-Facelift)

Brand:
ECS - Corporate Logo
ES#:
3170969
Mfg#:
006364ECS01A
In Stock
ON SALE! SAVE 10%
$856.99

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

$771.29 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Conical Seat Stud Conversion Kit

ES#2804054 - 001467ECS01KT3 - Conical Seat Stud Conversion Kit - Make wheel changes faster and easier - ECS - Audi Volkswagen

Make wheel changes faster and easier affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
For use with conical seat wheels and up to 10mm spacers only

Brand:
ECS - Corporate Logo
ES#:
2804054
Mfg#:
001467ECS01KT3
Back Ordered
Auto Notify
ON SALE! SAVE 10%
$201.99

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

$181.79 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Rear Special Active Shock Absorber - Priced Each

ES#3560586 - 80451265 - Rear Special Active Shock Absorber - Priced Each - Superior handling without compromising ride quality - Koni - Audi

Superior handling without compromising ride quality affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with S-line suspension

Brand:
Koni - Corporate Logo
ES#:
3560586
Mfg#:
80451265
In Stock
ON SALE! SAVE 20%
$161.22

This product was last offered at the strikethrough price on
02-27-2026

$128.62 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.

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 ECS Tuning is part of Enthusiast Auto Holdings