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Audi B7 S4 V8 Performance Parts & Upgrades

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ES#5434060 - HVA-823 - HPA Wheel Spacer & Bolt Kit - 20mm  - Push your wheels out for a bold stance with HPAs 20mm Wheel Spacer & Bolt Kit - precision CNC machined hubcentric spacers and extended hardware for a secure, vibration free fit. - HPA Motorsports - Audi Volkswagen

Push your wheels out for a bold stance with HPA’s 20mm Wheel Spacer & Bolt Kit - precision CNC machined hubcentric spacers and extended hardware for a secure, vibration free fit. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
HPA Motorsports - Corporate Logo
ES#:
5434060
Mfg#:
HVA-823
Ships on Jul 6, 2026
Starting at $150.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#5434034 - HVW-821 - HPA Wheel Spacer & Bolt Kit - 10mm  - Push your wheels out for a bold stance with HPAs 10mm Wheel Spacer & Bolt Kit - precision CNC machined hubcentric spacers and extended hardware for a secure, vibration free fit. - HPA Motorsports - Audi Volkswagen

Push your wheels out for a bold stance with HPA’s 10mm Wheel Spacer & Bolt Kit - precision CNC machined hubcentric spacers and extended hardware for a secure, vibration free fit. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
HPA Motorsports - Corporate Logo
ES#:
5434034
Mfg#:
HVW-821
Ships on Jul 6, 2026
Starting at $130.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#5434038 - HVW-822 - HPA Wheel Spacer & Bolt Kit - 15mm  - Get a perfect flush fit with HPAs 15mm Wheel Spacer & Bolt Kit - precision CNC-machined, hubcentric spacers with extended bolts for a clean, vibration free installation. - HPA Motorsports - Audi Volkswagen

Get a perfect flush fit with HPA’s 15mm Wheel Spacer & Bolt Kit - precision CNC-machined, hubcentric spacers with extended bolts for a clean, vibration free installation. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
HPA Motorsports - Corporate Logo
ES#:
5434038
Mfg#:
HVW-822
Ships on Jul 6, 2026
Starting at $140.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2951326 - 35210765kt - KW Clubsport Kit - 2 Way Adjustable Dampening - Height adjustable from 0.4" to 1.5" (front) and 0.4" to 1.5" (rear) - KW Suspension - Audi

Height adjustable from 0.4" to 1.5" (front) and 0.4" to 1.5" (rear) affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Cabriolet models only

Brand:
KW Suspension - Corporate Logo
ES#:
2951326
Mfg#:
35210765KT
Back Ordered
$3894.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2951321 - 35210735kt - KW Clubsport Kit - 2 Way Adjustable Dampening - Height adjustable from 0.4" to 1.5" (front) and 0.4" to 1.5" (rear) - KW Suspension - Audi

Height adjustable from 0.4" to 1.5" (front) and 0.4" to 1.5" (rear) affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Sedan & Avant models only

Brand:
KW Suspension - Corporate Logo
ES#:
2951321
Mfg#:
35210735KT
Back Ordered
$3894.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3020358 - 10210035 - V1 Series Coilover System - The best balance between sporty driving and comfort - KW Suspension - Audi

The best balance between sporty driving and comfort affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Fits sedan models only.
Fits sedan models only. Range of lowering is 0.4-1.5" in the front and rear.

Brand:
KW Suspension - Corporate Logo
ES#:
3020358
Mfg#:
10210035
Back Ordered
$2094.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
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#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%
$299.99

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

$254.99 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
$145.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4040043 - 003779ecs05-01KT -  Universal ECS Tuning Baffled Oil Catch Can Kit (8oz) - Capture harmful oil vapors and keep your intake tract clean. Includes our universal catch can, brackets, fittings and drain kit. Everything you need except plumbing to your engine. - ECS - Audi Volkswagen

Capture harmful oil vapors and keep your intake tract clean. Includes our universal catch can, brackets, fittings and drain kit. Everything you need except plumbing to your engine. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4040043
Mfg#:
003779ECS05-01KT
In Stock
ON SALE! SAVE 10%
$408.90

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

$368.01 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#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 21%
$151.99

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

$119.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#261392 - 8069HC - RBF 600 Racing Brake Fluid - 500mL - Boiling point - Dry 312C (594F) / Wet 216C (421F) - Motul - Audi BMW Volkswagen MINI

Boiling point - Dry 312°C (594°F) / Wet 216°C (421°F) affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Motul - Corporate Logo
ES#:
261392
Mfg#:
8069HC
In Stock
5% off MSRP

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

$24.25

This product was last offered at the strikethrough price on
06-11-2026

$22.99 USD
Free Shipping
on orders $49 and up
ES#3499783 - 30-0300 - AEM X-Series Wideband UEGO AFR Sensor Controller Gauge - X-Digital Technology - 8.50:1 to 18:1 AFR Scale - AEM Electronics  - Audi BMW Volkswagen Mercedes Benz MINI Porsche

X-Digital Technology - 8.50:1 to 18:1 AFR Scale affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
AEM Electronics  - Corporate Logo
ES#:
3499783
Mfg#:
30-0300
In Stock
$217.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3458264 - 022798tms01-07KT - Complete Turner Baffled Oil Catch Can Kit - 8oz - A 4 chamber, baffled oil catch can complete with a universal mount and drain system! - Turner Motorsport - Audi BMW Volkswagen Mercedes Benz MINI Porsche

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#:
3458264
Mfg#:
022798TMS01-07KT
Ships on Jul 1, 2026
Auto Notify
ON SALE! SAVE 15%
$329.99

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

$280.15 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

More About Performance Parts & Upgrades

All the performance upgrade options from the best brands in the business to help build your dreams. Our performance parts catalog is the largest anywhere and constantly growing to keep your build on track.

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