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

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ES#3569751 - K70614F-HD-O - Stage 2 Clutch Kit - Daily (With Dual Mass Flywheel)  - South Bend Dual Mass Flywheel with the South Bend Stage 2 clutch kit rated at 375ft/lbs - South Bend Clutch - Audi

South Bend Dual Mass Flywheel with the South Bend Stage 2 clutch kit rated at 375ft/lbs affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
South Bend Clutch - Corporate Logo
ES#:
3569751
Mfg#:
K70614F-HD-O
Ships in 1 Business Day
$1793.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#1876359 - 50361-55 - OE Sport Springs - Set - Mild lowering for the daily driver. Average lowering of 1.2"F 1.2" R - H&R - Audi

Mild lowering for the daily driver. Average lowering of 1.2"F 1.2" R 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!
Sedan models only

Brand:
H&R - Corporate Logo
ES#:
1876359
Mfg#:
50361-55
In Stock
15% off MSRP

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

$439.00

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

$373.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2966553 - 551231 - Harmonic Damper Crankshaft Pulley - Provides broad range control of destructive crankshaft torsional vibration for optimum horsepower and durability - Fluidampr - Audi Volkswagen

Provides broad range control of destructive crankshaft torsional vibration for optimum horsepower and durability affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Fluidampr - Corporate Logo
ES#:
2966553
Mfg#:
551231
In Stock
$517.60 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3085916 - 018359ECS01A - Audi B8.5 S4 / A4 S-Line Carbon Fiber Rear Diffuser - 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!

Fits S-Line bumpers from the 2013 model year

Brand:
ECS - Corporate Logo
ES#:
3085916
Mfg#:
018359ECS01A
In Stock
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
ES#4220369 - 004802LA01AKT2 - Billet X-Brace - Red - 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#:
4220369
Mfg#:
004802LA01AKT2
Ships on Aug 17, 2026
Auto Notify
ON SALE! SAVE 25%
$483.99

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

$362.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4566538 - 012463LA01 - B8 A4 / A5 2.0T Performance Aluminum Radiator - Direct-fit upgrade! Featuring an 80% increase in core thickness and durable, all-aluminum construction. - ECS - Audi

Direct-fit upgrade! Featuring an 80% increase in core thickness and durable, all-aluminum construction. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
10X Entries For Our Spin To Win Sweepstakes!
For Vehicles Equipped with an Automatic Transmission

Brand:
ECS - Corporate Logo
ES#:
4566538
Mfg#:
012463LA01
In Stock
ON SALE! SAVE 20%
$428.99

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

$343.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4029429 - 029252ECS01 - Audi B8.5 A4 Trunk Spoiler - 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!

For vehicles without an integrated trunk spoiler from the 2013 model year

Brand:
ECS - Corporate Logo
ES#:
4029429
Mfg#:
029252ECS01
In Stock
ON SALE! SAVE 20%
$216.99

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

$173.59 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2794008 - IEVTVC3 - Performance Valve Spring/Retainer Kit - High quality performance valve springs and titanium retainers - Integrated Engineering - Audi Volkswagen

High quality performance valve springs and titanium retainers affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Integrated Engineering - Corporate Logo
ES#:
2794008
Mfg#:
IEVTVC3
In Stock
ON SALE! SAVE 10%
$663.99

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

$597.59 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2794717 - IEBACG1 - IE Recirculating Catch Can Kit - Prevent crankcase oil fumes from condensing and filling your turbo piping, intercooler, and intake manifold - Integrated Engineering - Audi

Prevent crankcase oil fumes from condensing and filling your turbo piping, intercooler, and intake manifold affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!

For models with plastic intake manifold only

Brand:
Integrated Engineering - Corporate Logo
ES#:
2794717
Mfg#:
IEBACG1
Back Ordered
Auto Notify
ON SALE! SAVE 10%
$591.99

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

$532.79 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4643528 - 034-402-1035 - 034Motorsport Dynamic+ Sway Bar Kit - Designed to reduce body roll, improve turn-in, reduce understeer and enhance steering feel - 034Motorsport - Audi

Designed to reduce body roll, improve turn-in, reduce understeer and enhance steering feel affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
4643528
Mfg#:
034-402-1035
In Stock
ON SALE! SAVE 10%
$717.00

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

$645.30 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2748292 - 6-ECS-024 - Wheel Spacer & Bolt Kit - 20mm 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#:
2748292
Mfg#:
6-ECS-024
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#5375507 - IESOVT23+TCU - IE Performance K04 Tune - Includes TCU Tune & POWERlink Cable - Average gain of 145 horsepower and 131 lb-ft of torque on 91 Octane - Integrated Engineering - Audi

Average gain of 145 horsepower and 131 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#:
5375507
Mfg#:
IESOVT23+TCU
In Stock
ON SALE! SAVE 15%
$1327.99

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

$1128.79 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2748287 - 002411ECS03AKT1 - Wheel Spacer & Bolt Kit - 15mm 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#:
2748287
Mfg#:
002411ECS03AKT1
Ships in 1 Business Day
ON SALE! SAVE 25%
$167.99

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

$125.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3176605 - 003112ECS01 - Adjustable Front Sway Bar End Link Set - Audi B8/Porsche Macan - Attaches sway bar to control arm, adjustable to increase clearance between sway bar and axles. Offers just under 2" of adjustability! - ECS - Audi Porsche

Attaches sway bar to control arm, adjustable to increase clearance between sway bar and axles. Offers just under 2" of adjustability! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Minimum length of 157MM. Maximum length of 205MM

Brand:
ECS - Corporate Logo
ES#:
3176605
Mfg#:
003112ECS01
In Stock
ON SALE! SAVE 25%
$224.99

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

$168.74 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3551284 - 021828ECS01-02 -  VW/Audi Atmospheric Diverter Valve Spacer - Clear - Let your turbo blow off some air for an exhilarating driving experience! - ECS - Audi Volkswagen

Let your turbo blow off some air for an exhilarating 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#:
3551284
Mfg#:
021828ECS01-02
In Stock
ON SALE! SAVE 46%
$91.99

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

$49.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2603074 - 002411ECS02A13KT - ECS Wheel Spacers - 12.5mm (Pair) - Improve the look of your vehicle with spacers - ECS - Audi BMW Porsche

Improve the look of your vehicle with spacers affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
2603074
Mfg#:
002411ECS02A13KT
In Stock
ON SALE! SAVE 25%
$131.99

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

$98.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

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