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Audi A4 Performance Parts & Upgrades

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ES#4375715 - 012417LA01 - Front Axle Delete Plug Set - Audi B5/B6/B7 - M16 Thread - Easily allows the removal of front axles when converting your B5/B6/B7 to RWD (rear wheel drive) from Quattro - ECS - Audi

Easily allows the removal of front axles when converting your B5/B6/B7 to RWD (rear wheel drive) from Quattro 10X Entries Into Our F80 M3 Sweepstakes
From VIN 8D-1-050001, split is in the 2001 model year

Brand:
ECS - Corporate Logo
ES#:
4375715
Mfg#:
012417LA01
In Stock
$133.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4733011 - 000745la01dbKT - B9 A4/A5/S4/S5 Quattro Adjustable Damping Coilovers with Billet Aluminum Front Strut Brace and Thrust Arm Monoball Upgrade Kit  - Features 32 way adjustable damping, variable length and zinc-coated shock bodies and provides additional support to the strut towers for flex reduction to enhance your driving experience while eliminate deflection caused by stock rubber bushings! - Doorbusters - Audi

Features 32 way adjustable damping, variable length and zinc-coated shock bodies and provides additional support to the strut towers for flex reduction to enhance your driving experience while eliminate deflection caused by stock rubber bushings! For the curved control arm

Brand:
Doorbusters - Corporate Logo
ES#:
4733011
Mfg#:
000745LA01DBKT
In Stock
$1968.97 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4751642 - 000745LA01EBKT - B9 A4/A5/S4/S5 Quattro Adjustable Damping Coilovers & Billet Aluminum Front Strut Brace and Thrust Arm Monoball Upgrade Kit  - Features 32 way adjustable damping, variable length and zinc-coated shock bodies and provides additional support to the strut towers for flex reduction to enhance your driving experience while eliminate deflection caused by stock rubber bushings! - Enthusiast Bundles - Audi

Features 32 way adjustable damping, variable length and zinc-coated shock bodies and provides additional support to the strut towers for flex reduction to enhance your driving experience while eliminate deflection caused by stock rubber bushings! Don't See A Bundle You Want - Give Us A Call Or Chat - We Will Make One!
For the curved control arm

Brand:
Enthusiast Bundles - Corporate Logo
ES#:
4751642
Mfg#:
000745LA01EBKT
In Stock
$1968.97 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3638709 - 027538ECS01 - Audi B8 A4/S4 Carbon Fiber Grille Accent Set - Pre Facelift  - Hand-laid carbon fiber to upgrade your exterior styling - ECS - Audi

Hand-laid carbon fiber to upgrade your exterior styling 10X Entries Into Our F80 M3 Sweepstakes

Fits Pre-Facelift models with S-Line(S4) front bumpers up to the 2012 model year

Brand:
ECS - Corporate Logo
ES#:
3638709
Mfg#:
027538ECS01
In Stock
ON SALE! SAVE 71%
$519.99

This product was last offered at the strikethrough price on
05-14-2026

$150.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2785581 - 002948ECS01AKT - RA4 Single Mass Flywheel Kit - Engineered to convert your 2.0T A4 clutch to the much more durable RS4 clutch - ECS - Audi

Engineered to convert your 2.0T A4 clutch to the much more durable RS4 clutch 10X Entries Into Our F80 M3 Sweepstakes

To be used with B7 RS4 clutch kits only

Brand:
ECS - Corporate Logo
ES#:
2785581
Mfg#:
002948ECS01AKT
In Stock
$871.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3536775 - 72361 -  Performance Front & Rear Sway Bar Kit - Includes front adjustable (30mm) and rear (24mm) non-adjustable sway bars with required bushings - H&R - Audi

Includes front adjustable (30mm) and rear (24mm) non-adjustable sway bars with required bushings We Price Match - Give Us A Call or Chat!
Fits sedan models only

Brand:
H&R - Corporate Logo
ES#:
3536775
Mfg#:
72361
Back Ordered
10% off MSRP

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

$725.00

This product was last offered at the strikethrough price on
10-01-2026

$652.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Designed for extreme power that needs to be put to the wheels. Conservatively rated at 550+ ft/lbs. Includes single mass flywheel

Brand:
South Bend Clutch - Corporate Logo
ES#:
3106539
Mfg#:
K70350FSSXKT
Ships in 2 Business Days
$1953.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#850 - 29368BSC - Sport Cup Kit - H&R Springs With Bilstein Shocks & Struts - Average lowering of 1.7"F 1.6"R - Assembled By ECS - Audi

Average lowering of 1.7"F 1.6"R 10X Entries Into Our F80 M3 Sweepstakes
Sedan & Avant models only

Brand:
Assembled By ECS - Corporate Logo
ES#:
850
Mfg#:
29368BSC
In Stock
$1035.00

This product was last offered at the strikethrough price on
10-01-2026

$975.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3082363 - F23L-CERAMIC - F23L Hybrid Turbocharger - Complete bolt on Turbo upgrade - With ceramic coated turbine/manifold option - FrankenTurbo - Audi

Complete bolt on Turbo upgrade - With ceramic coated turbine/manifold option

Brand:
FrankenTurbo - Corporate Logo
ES#:
3082363
Mfg#:
F23L-CERAMIC
Ships on Nov 24, 2026
$1949.00 USD
This product is lifetime replacement eligible Lifetime Replacement
ES#4027350 - 022845ecs01KT - Audi B8/B8.5 A4 and S4 Rear Adjustable Sway Bar - Reduce body roll and increase cornering speed - ECS - Audi

Reduce body roll and increase cornering speed 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
4027350
Mfg#:
022845ECS01KT
In Stock
$346.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4017057 - B7A4PWRPK - Build Your Own Power Package - Audi B7 A4 2.0T - Go from mild to wild! Select the options you want for your build. - Assembled By ECS - Audi

Go from mild to wild! Select the options you want for your build. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
4017057
Mfg#:
B7A4PWRPK
Ships on May 27, 2027
ON SALE!
Starting at $0.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3106544 - k70614hdofeKT - Stage 2 Clutch Kit - Endurance  - Designed for track use while still streetable - Rated at 440 ft/lbs - South Bend Clutch - Audi

Designed for track use while still streetable - Rated at 440 ft/lbs

Brand:
South Bend Clutch - Corporate Logo
ES#:
3106544
Mfg#:
K70614HDOFEKT
Ships in 2 Business Days
$1920.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

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