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Audi A4 Performance Parts & Upgrades

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ES#4733125 - 049103la01dbKT - Audi B9 A4 2.0T Non Valved Exhaust System - Cat Back - With Luft-Technik Intake System - Enhance the sound and performance of your vehicle with our Non Valved Exhaust System and a Luft-Technik Intake System - Doorbusters - Audi

Enhance the sound and performance of your vehicle with our Non Valved Exhaust System and a Luft-Technik Intake System For vehicles up through the 2018 model year only (Pre-Facelift) Does not fit models equipped with a MAF sensor (DBPA or DPAA engine codes)

Brand:
Doorbusters - Corporate Logo
ES#:
4733125
Mfg#:
049103LA01DBKT
In Stock
$1802.96 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
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 or Stage 2 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#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#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#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
ES#4876603 - 051204LA01EBKT - Thrust Arm Monoball Upgrade Kit - Front Lower, Inner & B9 A4 / S4 Lowering Spring Set - Eliminate deflection caused by stock rubber bushings and Dramatically improve looks and handling with and average lowering up to 1.5" front and rear. - Enthusiast Bundles - Audi

Eliminate deflection caused by stock rubber bushings and Dramatically improve looks and handling with and average lowering up to 1.5" front and rear. Don't See A Bundle You Want - Give Us A Call Or Chat - We Will Make One!

Brand:
Enthusiast Bundles - Corporate Logo
ES#:
4876603
Mfg#:
051204LA01EBKT
In Stock
ON SALE!
$652.45 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4751240 - 004113ECS01AEBKT - Audi B8 Adjustable Short Throw Shifter &  Shift Knob - Find your perfect setting with 4 steps of throw reduction - Enthusiast Bundles - Audi

Find your perfect setting with 4 steps of throw reduction Don't See A Bundle You Want - Give Us A Call Or Chat - We Will Make One!

Brand:
Enthusiast Bundles - Corporate Logo
ES#:
4751240
Mfg#:
004113ECS01AEBKT
In Stock
$562.97 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4751049 - 049103LA01EBKT - Audi B9 A4 2.0T Non Valved Exhaust System - Cat Back & Luft-Technik Intake System - Enhance the sound and performance of your vehicle with our Non Valved Exhaust System and Luft-Technik Intake System - Enthusiast Bundles - Audi

Enhance the sound and performance of your vehicle with our Non Valved Exhaust System and Luft-Technik Intake System Don't See A Bundle You Want - Give Us A Call Or Chat - We Will Make One!
For vehicles up through the 2018 model year only (Pre-Facelift) Does not fit models equipped with a MAF sensor (DBPA or DPAA engine codes)

Brand:
Enthusiast Bundles - Corporate Logo
ES#:
4751049
Mfg#:
049103LA01EBKT
In Stock
ON SALE!
$1399.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3018 - 29369-1BSC - Cup Kit - H&R Sport Springs With Bilstein Sport Shocks - Perfect combination of handing and ride quality - H&R - Audi

Perfect combination of handing and ride quality We Price Match - Give Us A Call or Chat!

Brand:
H&R - Corporate Logo
ES#:
3018
Mfg#:
29369-1BSC
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#5527414 - 35210075SD - KW Suspension KW V3 Series Coilover Kit *Scratch And Dent* - ***Please see photos and description prior to ordering, all sales final.***
The ultimate in coilover technology featuring double adjustable dampening - Scratch & Dent - Audi

***Please see photos and description prior to ordering, all sales final.*** The ultimate in coilover technology featuring double adjustable dampening ALL SALES FINAL. ITEMS MAY BE DAMAGED OR MISSING COMPONENTS. PLEASE SEE IMAGES BEFORE PURCHASING. Want To Haggle? Give Us A Call Or Chat To Make An Offer On This Product!

Brand:
Scratch & Dent - Corporate Logo
ES#:
5527414
Mfg#:
35210075SD
In Stock
Limited Qty Sale
$3393.99 USD
Free Shipping

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