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Audi B8/B8.5 S5 Quattro V8 4.2L

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Your Vehicle Audi B8/B8.5 S5 Quattro V8 4.2L
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Audi B8/B8.5 S5 Quattro V8 4.2L Performance Parts & Upgrades

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VTT “OBD-LOCK” ODB Port Locking Tool

ES#4766229 - VTT-OBD-LOCK - VTT OBD-LOCK ODB Port Locking Tool - Prevent Dealerships From Re-Flashing Your Car Against Your Wishes! - Vargas Turbo Technologies - Audi BMW Volkswagen Mercedes Benz Porsche

Prevent Dealerships From Re-Flashing Your Car Against Your Wishes! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
For Vehicles Produced After 1995

Brand:
Vargas Turbo Technologies - Corporate Logo
ES#:
4766229
Mfg#:
VTT-OBD-LOCK
In Stock
$97.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

2.36" Downpipes

ES#2827359 - SSXAU223 - 2.36" Downpipes - Post-catalyst system. - Milltek Sport - Audi

Post-catalyst system. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Milltek Sport - Corporate Logo
ES#:
2827359
Mfg#:
SSXAU223
Back Ordered
Auto Notify
$487.99 USD
Free Shipping

034 Motorsport 12.5mm Wheel Spacer - Pair

ES#4751517 - 034-604-7021 - 034 Motorsport 12.5mm Wheel Spacer - Pair - 12.5mm Wheel Spacer Pair is designed to fit most Audi & BMW vehicles with a 66.6mm center bore and 5x112mm wheel bolt patterns. - 034Motorsport - Audi

12.5mm Wheel Spacer Pair is designed to fit most Audi & BMW vehicles with a 66.6mm center bore and 5x112mm wheel bolt patterns. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
4751517
Mfg#:
034-604-7021
Ships in 2 Business Days
$106.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

2-Piece Lightweight Rear Rotors - Pair (330x22)

ES#4045892 - 1024x330x22 - 2-Piece Lightweight Rear Rotors - Pair (330x22) - Shaves 11lbs of unsprung weight from the rear of your car while increasing braking performance. - JH Motorsports - Audi Porsche

Shaves 11lbs of unsprung weight from the rear of your car while increasing braking performance. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
JH Motorsports - Corporate Logo
ES#:
4045892
Mfg#:
1024X330X22
Ships in 2 Business Days
$799.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

JHM R Series Lightweight Flywheel And Clutch Kit

Stage 3 clutch kit with ceramic material affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
JH Motorsports - Corporate Logo
ES#:
4213139
Mfg#:
B8S542RSERFWCC1
Ships in 10 Business Days
$2375.99 USD

7.5mm Wheel Spacers - Black (Pair)

ES#3476425 - 021460TMS02-06 - 7.5mm Wheel Spacers - Black (Pair) - Lightweight wheel spacers with a machined tab for easy removal - Turner Motorsport - Audi BMW Mercedes Benz MINI Porsche

Lightweight wheel spacers with a machined tab for easy removal affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Turner Motorsport - Corporate Logo
ES#:
3476425
Mfg#:
021460TMS02-06
In Stock
ON SALE! SAVE 25%
$131.99

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

$98.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Front & Rear Stainless Steel Braided Brake Line Kit

ES#4446061 - 034-303-0014 - Front & Rear Stainless Steel Braided Brake Line Kit - Replace your stock rubber brake hoses with these performance-minded stainless steel braided lines - 034Motorsport - Audi

Replace your stock rubber brake hoses with these performance-minded stainless steel braided lines affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
4446061
Mfg#:
034-303-0014
In Stock
$169.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Stage 2 Daily Clutch Kit

ES#3106554 - ks5b8hdoKT - Stage 2 Daily Clutch Kit - Designed for the daily-driven, weekend track warrior. Conservatively rated at 395ft/lbs. - South Bend Clutch - Audi

Designed for the daily-driven, weekend track warrior. Conservatively rated at 395ft/lbs. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Works with stock flywheel

Brand:
South Bend Clutch - Corporate Logo
ES#:
3106554
Mfg#:
KS5B8HDOKT
In Stock
$1171.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Wheel Spacer & Bolt Kit - 10mm With Conical Seat Bolts

ES#3568762 - 002411ecs02aKT8 - Wheel Spacer & Bolt Kit - 10mm With Conical Seat Bolts - Complete kit for two wheels, comes with everything you need to install spacers on your aftermarket wheels - ECS - Audi

Complete kit for two wheels, comes with everything you need to install spacers on your aftermarket wheels affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Fits most aftermarket wheels that use conical seat wheel bolts

Brand:
ECS - Corporate Logo
ES#:
3568762
Mfg#:
002411ECS02AKT8
In Stock
ON SALE! SAVE 15%
$160.99

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

$136.84 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Front Big Brake Kit - Stage 2 - Cross Dimpled & Slotted Rotors (345x30)

ES#3537749 - 025997ECS0618KT - Front Big Brake Kit - Stage 2 - Cross Dimpled & Slotted Rotors (345x30) - Upgrade your brake system to the 4-piston Brembo Q5 calipers. Features ECS V5 brake rotors. - ECS - Audi

Upgrade your brake system to the 4-piston Brembo Q5 calipers. Features ECS V5 brake rotors. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3537749
Mfg#:
025997ECS0618KT
Ships in 1-2 days
$2307.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Jackal Motorsports Tune - Includes Jackal Tuning Cable & TCU Tune

ES#4907824 - B8V8-1 - Jackal Motorsports Tune - Includes Jackal Tuning Cable & TCU Tune - Gains up to 30 WHP/50 WTQ over stock, along with increased rev limiter, optional 2-step launch control, and more! - Jackal Motorsports - Audi

Gains up to 30 WHP/50 WTQ over stock, along with increased rev limiter, optional 2-step launch control, and more! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with automatic transmission only

Brand:
Jackal Motorsports - Corporate Logo
ES#:
4907824
Mfg#:
B8V8-1
Ships in 1 Business Day
$760.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

RSS+ Coilover System - Damping Adjustable Shocks

ES#2718830 - RSS13019-1 - RSS+ Coilover System - Damping Adjustable Shocks - Ultimate motorsport coilover - Average lowering 1.5"-2.7"F 1.4"-2.7"R - H&R - Audi

Ultimate motorsport coilover - Average lowering 1.5"-2.7"F 1.4"-2.7"R affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
Vehicles equipped with Electronic Damping Control (EDC) will lose shock damping and receive a system error code with coilover systems.

Brand:
H&R - Corporate Logo
ES#:
2718830
Mfg#:
RSS13019-1
Ships in 3 Business Days
$2265.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Billet Linkage Reinforcement Kit

ES#4419864 - B8029A0 - Billet Linkage Reinforcement Kit - Transform your sloppy OEM shift linkage into a precision instrument for perfect shifts. - JXB Performance - Audi

Transform your sloppy OEM shift linkage into a precision instrument for perfect shifts. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
JXB Performance - Corporate Logo
ES#:
4419864
Mfg#:
B8029A0
In Stock
$249.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Front Big Brake Kit - Stage 2 - Slotted Rotors (345x30)

ES#3537755 - 025997ECS0624KT - Front Big Brake Kit - Stage 2 - Slotted Rotors (345x30) - Upgrade your brake system to the 4-piston Brembo Q5 calipers. Features ECS V5 brake rotors. - ECS - Audi

Upgrade your brake system to the 4-piston Brembo Q5 calipers. Features ECS V5 brake rotors. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3537755
Mfg#:
025997ECS0624KT
Ships in 1-2 days
$2247.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Master LED Interior Lighting Kit

ES#2539096 - A5FULLINTLED - Master LED Interior Lighting Kit - Give your vehicle the complete LED treatment - ZiZa - Audi

Give your vehicle the complete LED treatment affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ZiZa - Corporate Logo
ES#:
2539096
Mfg#:
A5FULLINTLED
In Stock
ON SALE! SAVE 50%
$109.99

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

$55.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Rear Cross Drilled & Slotted Brake Rotors - Pair (330x22)

ES#3155009 - EBR1015XPR - Rear Cross Drilled & Slotted Brake Rotors - Pair (330x22) - Upgrade to a zinc plated slotted / cross-drilled rotor for improved braking - Power Stop - Audi

Upgrade to a zinc plated slotted / cross-drilled rotor for improved braking affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Power Stop - Corporate Logo
ES#:
3155009
Mfg#:
EBR1015XPR
Ships in 1 Business Day
$311.99 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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