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Audi B9 A4 FWD 2.0T Performance Parts & Upgrades

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ES#4045191 - 273100BK - ST Adjustable Lowering Springs - Allows individual ride height adjustment at each corner of your vehicle - Make your stock suspension height adjustable, without compromise! Average lowering of 1.0"-2.0" front and rear. - Suspension Techniques - Audi

Allows individual ride height adjustment at each corner of your vehicle - Make your stock suspension height adjustable, without compromise! Average lowering of 1.0"-2.0" front and rear. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For sedan models without factory Electronic Damping Control - For models with 53mm diameter front strut body

Brand:
Suspension Techniques - Corporate Logo
ES#:
4045191
Mfg#:
273100BK
Back Ordered
$1089.00 USD
Free Shipping

20"x9"/20"x10" ET35 5x112 - Satin Anthracite affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Brixton Forged - Corporate Logo
ES#:
4361948
Mfg#:
RF102093551121KT
Back Ordered
$2730.00 USD
This product is lifetime replacement eligible Lifetime Replacement

EBC's premium sport street pad that offers high friction levels and heat fade resistance affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
EBC - Corporate Logo
ES#:
4883801
Mfg#:
DP42435R
Back Ordered
5% off MSRP

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

$205.99

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

$195.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Retains the use of your factory shocks while providing the ability to adjust ride height from 1.0" to 2.0" Front 1.0" to 2.0" Rear affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For models with factory Electronic Damping Control suspension

Brand:
KW Suspension - Corporate Logo
ES#:
3427368
Mfg#:
253100AW
Back Ordered
$1134.00 USD
Free Shipping

Retains the use of your factory shocks while providing the ability to adjust ride height from 1.0" to 2.0" Front 1.0" to 2.0" Rear affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For models without factory Electronic Damping Control - For models

Brand:
KW Suspension - Corporate Logo
ES#:
3427366
Mfg#:
253100AV
Back Ordered
$1134.00 USD
Free Shipping

The Revo Big Brake Kit comes complete with everything required to upgrade your stopping power. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
REVO - Corporate Logo
ES#:
4499823
Mfg#:
RA841B200100
Back Ordered
$3339.00 USD
This product is lifetime replacement eligible Lifetime Replacement

The Revo Big Brake Kit comes complete with everything required to upgrade your stopping power. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
REVO - Corporate Logo
ES#:
4499827
Mfg#:
RA841B200500
Back Ordered
$3339.00 USD
This product is lifetime replacement eligible Lifetime Replacement

The Revo Big Brake Kit comes complete with everything required to upgrade your stopping power. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
REVO - Corporate Logo
ES#:
4499825
Mfg#:
RA841B200300
Back Ordered
$3339.00 USD
This product is lifetime replacement eligible Lifetime Replacement

Developed alongside KW Automotive, the ST XA allows individual adjustment of the damping to suit just about all your driving needs! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Average lowering of 1.6"-2.6" Front & Rear - For models without factory Electronic Damping Control - For models with 48.5mm front strut body

Brand:
Suspension Techniques - Corporate Logo
ES#:
4057012
Mfg#:
182100BK
Back Ordered
$1399.00 USD
Free Shipping

Developed alongside KW Automotive, the ST XA allows individual adjustment of the damping to suit just about all your driving needs! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Average lowering of 1.6"-2.6" Front & Rear - For models without factory Electronic Damping Control - For models with 50mm front strut body

Brand:
Suspension Techniques - Corporate Logo
ES#:
4057009
Mfg#:
182100AV
Back Ordered
$1399.00 USD
Free Shipping
ES#2855201 - SN0210 - Stage 2.5 Boost-Controlled Water/Meth Injection Kit - Features a gauge pod controller, which allows for the best control and visibility. 7-color OLED displays boost, percentage of flow, low level, and even faults. - SnowPerformance - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Features a gauge pod controller, which allows for the best control and visibility. 7-color OLED displays boost, percentage of flow, low level, and even faults. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Gauge Pod controller, for optimum control even from the driver's seat!

Brand:
SnowPerformance - Corporate Logo
ES#:
2855201
Mfg#:
SN0210
In Stock
$583.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3658972 - 020923ECS01 -  Build-Your-Own Universal Vacuum-Actuated Exhaust Cutout Kit - Single Cutout - Increase HP/TQ and activate a full race exhaust with the flip of a switch, with our ECS Vacuum-Actuated Exhaust Cutout - ECS - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Increase HP/TQ and activate a full race exhaust with the flip of a switch, with our ECS Vacuum-Actuated Exhaust Cutout affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3658972
Mfg#:
020923ECS01
In Stock
ON SALE!
Starting at $57.57 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3691421 - 50-1200 - 340lph High Flow In-Tank Fuel Pump (e85 Compatible)  - AEM?s 340LPH E85-Compatible High Flow In-Tank Fuel Pumps feature robust internal construction that is designed to withstand the low lubricity characteristics of ethanol and methanol fuels - AEM Electronics  - Audi Volkswagen

AEM?s 340LPH E85-Compatible High Flow In-Tank Fuel Pumps feature robust internal construction that is designed to withstand the low lubricity characteristics of ethanol and methanol fuels affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
This is a general-use high flow fuel pump, not a direct plug-and-play swap in most application

Brand:
AEM Electronics  - Corporate Logo
ES#:
3691421
Mfg#:
50-1200
In Stock
11% off MSRP

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

$175.95

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

$155.95 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3458268 - 022798tms01-09KT - Complete Universal Turner Baffled Oil Catch Can Kit - 10oz - A 4 chamber, baffled oil catch can complete with a universal mount and drain system! - Turner Motorsport - Audi BMW Volkswagen Mercedes Benz MINI Porsche
ECS Tuning recommends this product.

A 4 chamber, baffled oil catch can complete with a universal mount and drain system! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Turner Motorsport - Corporate Logo
ES#:
3458268
Mfg#:
022798TMS01-09KT
In Stock
ON SALE! SAVE 15%
$305.99

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

$260.09 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2986534 - 006555ecs04a01KT - ECS UNIVERSAL Swivel Exhaust Tips - 3.5" Chrome - Pair - Stainless Steel exhaust tips featuring swivel attachments for maximum adjustability. 2.5" Swivel Inlet / 3.5" Double Wall, Slant Cut Outlet - ECS - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Stainless Steel exhaust tips featuring swivel attachments for maximum adjustability. 2.5" Swivel Inlet / 3.5" Double Wall, Slant Cut Outlet affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Not vehicle specific. You MUST measure prior to purchasing!

Brand:
ECS - Corporate Logo
ES#:
2986534
Mfg#:
006555ECS04A01KT
In Stock
ON SALE! SAVE 15%
$155.99

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

$132.58 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

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