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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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Transmission Mount Insert

ES#4620259 - 8K0399151DB - Transmission Mount Insert - Enhance your driving experience by filling the bushing void. - JH Motorsports - Audi

Enhance your driving experience by filling the bushing void. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
JH Motorsports - Corporate Logo
ES#:
4620259
Mfg#:
8K0399151DB
In Stock
$47.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

VTF Adjustable Lowering Springs

Aggressive looks and ultimate handling. Average lowering of 1.0"F 1.8"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!

Brand:
H&R - Corporate Logo
ES#:
4070750
Mfg#:
23013-1
Ships in 3 Business Days
$782.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

EMD Auto 20mm Wheel Spacers - Pair (With Bolts)

ES#4430402 - EMD-SPACER-20-66 - EMD Auto 20mm Wheel Spacers - Pair (With Bolts) - Manufactured out of high quality 6061-T6 aluminum, and black anodized for corrosion resistance - 5x112, 66.5 Center Bore - Emmanuele Design - Audi

Manufactured out of high quality 6061-T6 aluminum, and black anodized for corrosion resistance - 5x112, 66.5 Center Bore affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Fits most aftermarket wheels that use conical seat wheel bolts

Brand:
Emmanuele Design - Corporate Logo
ES#:
4430402
Mfg#:
EMD-SPACER-20-66
In Stock
$110.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

ECS Adjustable Short Throw Shifter With Rally Lever - Audi B8 A4/A5/S5/S5

ES#4609907 - 043644LA01-2 - ECS Adjustable Short Throw Shifter With Rally Lever - Audi B8 A4/A5/S5/S5 - Reduce throw and height while gaining more precise shifts with ECS Tuning's Adjustable Short Throw Shifter. - ECS - Audi

Reduce throw and height while gaining more precise shifts with ECS Tuning's Adjustable Short Throw Shifter. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4609907
Mfg#:
043644LA01-2
In Stock
ON SALE!
Starting at $511.01 USD
Customize
Free Shipping
This product is lifetime replacement eligible Partial Replacement

AWE Non-Resonated Downpipes - B8 S5 4.2L

ES#4043936 - 3215-11036 - AWE Non-Resonated Downpipes - B8 S5 4.2L - Eliminates an additional set of resonators from the car, to produce a louder and deeper tone to the exhaust note. - AWE - Audi

Eliminates an additional set of resonators from the car, to produce a louder and deeper tone to the exhaust note. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
AWE - Corporate Logo
ES#:
4043936
Mfg#:
3215-11036
In Stock at Vendor
$765.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Front Big Brake Kit - Stage 2 - V5 Dimpled & Slotted Rotors (345x30)

ES#4876759 - 8R0615108EDSKT - Front Big Brake Kit - Stage 2 - V5 Dimpled & Slotted Rotors (345x30) - Upgrade your brake system to the 4-piston Brembo Q5 calipers - ECS - Audi

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

Brand:
ECS - Corporate Logo
ES#:
4876759
Mfg#:
8R0615108EDSKT
Ships in 1-2 days
$1522.99 USD
This product is lifetime replacement eligible Partial Replacement

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

ES#2730474 - 8R0615108EKT2 - Front Big Brake Kit - Stage 2 - Plain Rotors (345x30) - Upgrade your brake system to the 4-piston Brembo Q5 calipers - ECS - Audi

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

Brand:
ECS - Corporate Logo
ES#:
2730474
Mfg#:
8R0615108EKT2
Ships on Nov 5, 2026
Auto Notify
$1522.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

DRA Series Wheel Spacers - 25mm (1 Pair)

ES#348 - 50556651 - DRA Series Wheel Spacers - 25mm (1 Pair) - Want to add some stance to your car with those new wheels? Get these new spacers today - H&R - Audi Mercedes Benz Porsche

Want to add some stance to your car with those new wheels? Get these new spacers today 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!

Brand:
H&R - Corporate Logo
ES#:
348
Mfg#:
50556651
In Stock
$189.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

JHM High Flow Cat Downpipes With X-pipe - Without Integrated Baffle System

ES#4415918 - B8DPXHFC42L - JHM High Flow Cat Downpipes With X-pipe - Without Integrated Baffle System - Built as a direct OEM replacement, these downpipes are designed to increase low-end torque and maximize power throughout the entire RPM band - JH Motorsports - Audi

Built as a direct OEM replacement, these downpipes are designed to increase low-end torque and maximize power throughout the entire RPM band affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
*Necked down to stock pipe size - To be used with factory exhaust components*

Brand:
JH Motorsports - Corporate Logo
ES#:
4415918
Mfg#:
B8DPXHFC42L
Ships in 10 Business Days
$1499.99 USD
This product is lifetime replacement eligible Lifetime Replacement

High Pressure-Mechanical Fuel Pump Upgrade Kit

ES#4046073 - HPFPUpgV8 - High Pressure-Mechanical Fuel Pump Upgrade Kit - Upgrade your HPFPs to get the most out of the direct injection fueling system! - JH Motorsports - Audi

Upgrade your HPFPs to get the most out of the direct injection fueling system! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
JH Motorsports - Corporate Logo
ES#:
4046073
Mfg#:
HPFPUPGV8
Ships in 10 Business Days
$749.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Spherical Front Upper Strut Mount - Pair

ES#4304843 - B8011A0 - Spherical Front Upper Strut Mount - Pair - Upgrade your shock mounts - JXB Performance - Audi

Upgrade your shock mounts affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
JXB Performance - Corporate Logo
ES#:
4304843
Mfg#:
B8011A0
Ships in 1 Business Day
$299.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Cat-Back Exhaust System - Non-Resonated

ES#2827332 - SSXAU190 - Cat-Back Exhaust System - Non-Resonated - 2.36" stainless steel with quad GT 80mm polished tips - Milltek Sport - Audi

2.36" stainless steel with quad GT 80mm polished tips affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Fits manual transmission models only

Brand:
Milltek Sport - Corporate Logo
ES#:
2827332
Mfg#:
SSXAU190
Ships in 3 Business Days
$1487.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Front Lower Straight Control Arm - Pair

ES#3090508 - MRSAU1912MEG - Front Lower Straight Control Arm - Pair - Upgraded lower straight control arm pair - Megan Racing - Audi

Upgraded lower straight control arm pair affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Fits models from production date 11/3/2009 (M14 Ball Joints)

Brand:
Megan Racing - Corporate Logo
ES#:
3090508
Mfg#:
MRSAU1912MEG
Back Ordered
Auto Notify
$238.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

APR Valve Spring Kit - Priced Per Spring

ES#4690063 - MS100258 - APR Valve Spring Kit - Priced Per Spring - Lighter, stiffer, and supports higher revving! - APR - Audi Volkswagen

Lighter, stiffer, and supports higher revving! Call In Or Chat For Best Price! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
APR - Corporate Logo
ES#:
4690063
Mfg#:
MS100258
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.

$69.99

This product was last offered at the strikethrough price on
06-26-2026

$61.99 USD
Free Shipping

LED License Plate Light Assemblies

ES#2210294 - B8LPLED - LED License Plate Light Assemblies - Keep your plate illuminated brilliantly with new plate light LED's - ZiZa - Audi

Keep your plate illuminated brilliantly with new plate light LED's affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ZiZa - Corporate Logo
ES#:
2210294
Mfg#:
B8LPLED
In Stock
ON SALE! SAVE 10%
$71.99

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

$64.79 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

More About Performance Parts & Upgrades

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