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Audi A4 Most Popular Parts

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ES#5386650 - 003353ECSDB3KT - Audi B8 A4 2.0T Dual-Exit Valved Cat-Back Exhaust System With Dual-Exit Rear Diffuser - Gain up to +27 WHP and +46 WTQ of torque when equipped with Stage 2 ECU software. For a limited time only, this Doorbuster deal includes a gloss black, dual-exit rear diffuser for a seamless install! - Doorbusters - Audi

Gain up to +27 WHP and +46 WTQ of torque when equipped with Stage 2 ECU software. For a limited time only, this Doorbuster deal includes a gloss black, dual-exit rear diffuser for a seamless install! Fits pre-facelift B8 non-S-Line models only

Brand:
Doorbusters - Corporate Logo
ES#:
5386650
Mfg#:
003353ECSDB3KT
In Stock
$2400.99

This product was last offered at the strikethrough price on
10-06-2026

$2397.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#5386611 - 000690ecs01adbKT - Front 2-Piece Brake Rotors With Exact-Fit Stainless Steel Brake Lines - Upgrade your braking performance and feel with this Doorbusters special, featuring ECS drilled and slotted 2-piece rotors and Exact-Fit stainless steel brake lines - Doorbusters - Audi

Upgrade your braking performance and feel with this Doorbusters special, featuring ECS drilled and slotted 2-piece rotors and Exact-Fit stainless steel brake lines Replacement rotors for vehicles with the Stage 1 Big Brake Kit

Brand:
Doorbusters - Corporate Logo
ES#:
5386611
Mfg#:
000690ECS01ADBKT
In Stock
$1148.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#5491127 - bsd2026KT - Front & Rear Brake Rotors - Set (338x30 / 330x22) - Upgrade to a Turbo slotted rotor for improved braking - EBC - Audi

Upgrade to a Turbo slotted rotor for improved braking 2X Entries Into Our F80 M3 Sweepstakes

Brand:
EBC - Corporate Logo
ES#:
5491127
Mfg#:
BSD2026KT
In Stock
$967.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3690749 - 023770ECS04-01KT - Audi B9 Billet Aluminum Control Ring Kit - NOTCHED - Clear Anodized Small MMI - Set of four billet aluminum trim rings for your climate control, MMI, and volume knobs. - ECS - Audi

Set of four billet aluminum trim rings for your climate control, MMI, and volume knobs. 10X Entries Into Our F80 M3 Sweepstakes USE CODE ECS20 IN CART FOR BEST PRICE

For vehicles without touch sensitive MMI knob

Brand:
ECS - Corporate Logo
ES#:
3690749
Mfg#:
023770ECS04-01KT
In Stock
$129.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#5491423 - 049313LA01 - Heavy Duty Rubber Rear Shock Mount - Pair - Enhance longevity and improve your Audi or Porsche's handling with our in-house designed HD rubber shock mount! - ECS - Audi

Enhance longevity and improve your Audi or Porsche's handling with our in-house designed HD rubber shock mount! 10X Entries Into Our F80 M3 Sweepstakes USE CODE ECS20 IN CART FOR BEST PRICE

Brand:
ECS - Corporate Logo
ES#:
5491423
Mfg#:
049313LA01
In Stock
$105.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#5481182 - ecs10157ktwb1KT - ECS Wheel Spacer & Bolt Kit - 15/20mm With Black Ball Seat Bolts - Includes everything you need to install spacers on four wheels - ECS - Audi Volkswagen

Includes everything you need to install spacers on four wheels 10X Entries Into Our F80 M3 Sweepstakes USE CODE ECS20 IN CART FOR BEST PRICE

Brand:
ECS - Corporate Logo
ES#:
5481182
Mfg#:
ECS10157KTWB1KT
In Stock
$486.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2713396 - 002598ECS05KT - 2.0T Coil Pack Conversion Kit - Stage 1 - Includes wrinkle black conversion plate -w- black 2.0T coils - ECS - Audi Volkswagen

Includes wrinkle black conversion plate -w- black 2.0T coils 10X Entries Into Our F80 M3 Sweepstakes USE CODE ECS20 IN CART FOR BEST PRICE

Fits ATW & AWM engine code models only

Brand:
ECS - Corporate Logo
ES#:
2713396
Mfg#:
002598ECS05KT
In Stock
$318.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#1831947 - ecs41067kt - Rear Exact-Fit Stainless Steel Brake Lines - DOT-compliant kit to improve pedal feel in your vehicle. - ECS - Audi

DOT-compliant kit to improve pedal feel in your vehicle. 10X Entries Into Our F80 M3 Sweepstakes USE CODE ECS20 IN CART FOR BEST PRICE

From VIN 8D-V-168351, split is in the 1997 model year

Brand:
ECS - Corporate Logo
ES#:
1831947
Mfg#:
ECS41067KT
In Stock
$93.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#5481833 - 000690ecs01a01KT - Front 2-Piece Drilled & Slotted Brake Rotors - Pair (345x30) - Direct bolt-on replacement - 25% less weight! - ECS - Audi

Direct bolt-on replacement - 25% less weight! 10X Entries Into Our F80 M3 Sweepstakes USE CODE ECS20 IN CART FOR BEST PRICE
Replacement rotors for vehicles with the Stage 2 Big Brake Kit

Brand:
ECS - Corporate Logo
ES#:
5481833
Mfg#:
000690ECS01A01KT
In Stock
$1059.99 USD
This product is lifetime replacement eligible Lifetime Replacement
ES#1831948 - 8D0698501 - Front & Rear Exact-Fit Stainless Steel Brake Lines - Kit - DOT-compliant kit to improve pedal feel in your vehicle. - ECS - Audi

DOT-compliant kit to improve pedal feel in your vehicle. 10X Entries Into Our F80 M3 Sweepstakes USE CODE ECS20 IN CART FOR BEST PRICE

From VIN 8D-V-168351, split is in the 1997 model year

Brand:
ECS - Corporate Logo
ES#:
1831948
Mfg#:
8D0698501
In Stock
$243.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#5445062 - 046156la07KT - Audi B8 Billet Power Steering Reservoir - Eliminate the grimy, leaky, factory plastic power steering reservoir with a beautiful aluminum component. Upgraded for thermal capacity, performance and extended rack life! - ECS - Audi

Eliminate the grimy, leaky, factory plastic power steering reservoir with a beautiful aluminum component. Upgraded for thermal capacity, performance and extended rack life! 10X Entries Into Our F80 M3 Sweepstakes USE CODE ECS20 IN CART FOR BEST PRICE
Fits pre-facelift models up to the 2012 model year only

Brand:
ECS - Corporate Logo
ES#:
5445062
Mfg#:
046156LA07KT
In Stock
$458.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#5481531 - 003326ecs01KT1 - Performance Caliper Guide Bushing Set With Installation Tool - Reduced caliper deflection, enhanced pedal feel, and improved pad wear. An excellent way to improve braking performance. Priced per axle. - ECS - Audi Volkswagen

Reduced caliper deflection, enhanced pedal feel, and improved pad wear. An excellent way to improve braking performance. Priced per axle. 10X Entries Into Our F80 M3 Sweepstakes USE CODE ECS20 IN CART FOR BEST PRICE

Brand:
ECS - Corporate Logo
ES#:
5481531
Mfg#:
003326ECS01KT1
In Stock
$216.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#5445481 - 4h0615601qsKT - Front & Rear V5 Slotted Brake Rotors - Set (345x30/330x22) - 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 Into Our F80 M3 Sweepstakes USE CODE ECS20 IN CART FOR BEST PRICE
Replacement rotors for vehicles with the Stage 1 Big Brake Kit

Brand:
ECS - Corporate Logo
ES#:
5445481
Mfg#:
4H0615601QSKT
In Stock
$852.99

This product was last offered at the strikethrough price on
08-07-2026

$832.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2713413 - 002598ECS24KT - 2.0T Coil Pack Conversion Kit - Stage 2 - Includes wrinkle red conversion plate -w- black 2.0T coils and silver hold down kit - ECS - Audi Volkswagen

Includes wrinkle red conversion plate -w- black 2.0T coils and silver hold down kit 10X Entries Into Our F80 M3 Sweepstakes USE CODE ECS20 IN CART FOR BEST PRICE

Brand:
ECS - Corporate Logo
ES#:
2713413
Mfg#:
002598ECS24KT
In Stock
$366.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

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