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Audi B8/B8.5 S4 Quattro 3.0T

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Audi B8/B8.5 S4 Quattro 3.0T Performance Parts & Upgrades

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Audi B8/B8.5 A4/S4 - Adjustable Damping Performance Coilover System & 19" Style 628 ALZOR Wheels

ES#4759731 - 025412ECS01EB3KT - Audi B8/B8.5 A4/S4 - Adjustable Damping Performance Coilover System & 19" Style 628 ALZOR Wheels - Enthusiast Bundles - Audi

Don't See A Bundle You Want - Give Us A Call Or Chat - We Will Make One! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Enthusiast Bundles - Corporate Logo
ES#:
4759731
Mfg#:
025412ECS01EB3KT
In Stock
ON SALE! SAVE 33%
$2382.98

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

$1599.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Front Big Brake Upgrade Kit - Stage 4 - 2-Piece Rotors (380x34)

ES#3221135 - 003883ecs01ktKT4 - Front Big Brake Upgrade Kit - Stage 4 - 2-Piece Rotors (380x34) - Everything necessary to upgrade your stage-3 RS caliper 365mm kit to the stage-4 380mm kit. - ECS - Audi

Everything necessary to upgrade your stage-3 RS caliper 365mm kit to the stage-4 380mm kit. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
For customers with existing 365mm ECS Stage 3 Brake Kit with Audi RS5 Calipers

Brand:
ECS - Corporate Logo
ES#:
3221135
Mfg#:
003883ECS01KTKT4
Ships on Oct 22, 2026
Auto Notify
$1676.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

ARM Motorsports Intake - OEM Inlet

ES#4745446 - 30TINT - ARM Motorsports Intake - OEM Inlet - For use with a factory throttle body inlet. - ARM Motorsports - Audi

For use with a factory throttle body inlet. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
ARM Motorsports - Corporate Logo
ES#:
4745446
Mfg#:
30TINT
Ships on Jul 8, 2026
$227.00 USD
Free Shipping

Rear HPS Performance Brake Pad Set

ES#2092634 - HB642F.658 - Rear HPS Performance Brake Pad Set - One of the best-selling all around brake pads - Hawk - Audi

One of the best-selling all around brake pads affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Hawk - Corporate Logo
ES#:
2092634
Mfg#:
HB642F.658
In Stock at Vendor
$143.99 USD
Free Shipping
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

APR Coolant Performance System

ES#3219341 - MS100127 - APR Coolant Performance System - Drastically reduces intake air temps (IAT), minimizes heat soak, and provides increased performance! - APR - Audi

Drastically reduces intake air temps (IAT), minimizes heat soak, and provides increased performance! 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!
*Pre-faclift models (up to 2012) require Fit Kit - Please see Fit Kit MS100136 or ES3219342 for a complet

Brand:
APR - Corporate Logo
ES#:
3219341
Mfg#:
MS100127
Ships on Jul 9, 2026
11% off MSRP

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

$1743.99

This product was last offered at the strikethrough price on
06-12-2026

$1549.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Ultra Low Coilover System - Fixed Damping

ES#2718824 - 29019-1 - Ultra Low Coilover System - Fixed Damping - Extreme lowering capabilities - Average lowering of 1.5"-2.7"F 1.4"-2.7"R - H&R - Audi

Extreme lowering capabilities - Average lowering of 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#:
2718824
Mfg#:
29019-1
Ships in 3 Business Days
$1544.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

B8/B8.5 A4/S4 Lowering Springs, Shocks & Installation Kit

ES#4708852 - 047330LA02KT - B8/B8.5 A4/S4 Lowering Springs, Shocks & Installation Kit - Dramatically improve looks and handling with and average lowering up to 1.6" front and rear. Paired with ECS Tuning Cup Kit Installation Kit & Bilstein B8 Shocks - Assembled By ECS - Audi

Dramatically improve looks and handling with and average lowering up to 1.6" front and rear. Paired with ECS Tuning Cup Kit Installation Kit & Bilstein B8 Shocks affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
4708852
Mfg#:
047330LA02KT
Ships on Sep 18, 2026
Auto Notify
$1745.14

This product was last offered at the strikethrough price on
05-04-2026

$1555.45 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
Ships in 7 Business Days
$110.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

DR Series Wheel Spacers (Black) - 10mm (1 Pair)

ES#3618484 - 2055668SW - DR Series Wheel Spacers (Black) - 10mm (1 Pair) - Get that stance that you've been craving with these new spacers - H&R - Audi MINI Porsche

Get that stance that you've been craving with these new spacers 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!
Maximum factory hub height of up to 13.5mm. Inside wheel bevel = 5.0 x 45 degrees

Brand:
H&R - Corporate Logo
ES#:
3618484
Mfg#:
2055668SW
Ships in 3 Business Days
$109.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

CTS B-Cool Billet Oil Filter Housing

ES#3660001 - CTS-HW-0243 - CTS B-Cool Billet Oil Filter Housing - Offering great looks and heat dissipation - Not only does the B-Cool filter look good, but it works great! - CTS - Audi

Offering great looks and heat dissipation - Not only does the B-Cool filter look good, but it works great! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
CTS - Corporate Logo
ES#:
3660001
Mfg#:
CTS-HW-0243
In Stock
$79.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Rear Sway Bar - 25.4mm

ES#3183689 - MRS-AU-1991 - Rear Sway Bar - 25.4mm - Reduce body roll and increase handling! - Megan Racing - Audi

Reduce body roll and increase handling! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Megan Racing - Corporate Logo
ES#:
3183689
Mfg#:
MRS-AU-1991
Ships in 10 Business Days
Auto Notify
$168.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Rear GD Sport Rotors - Pair (330x22)

ES#2621910 - GD1846 - Rear GD Sport Rotors - Pair (330x22) - Upgrade to a slotted/dimpled rotor for improved braking - EBC - Audi

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

Brand:
EBC - Corporate Logo
ES#:
2621910
Mfg#:
GD1846
In Stock at Vendor
5% off MSRP

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

$396.99

This product was last offered at the strikethrough price on
06-12-2026

$376.99 USD
Free Shipping
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

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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Manufacturer names and/or part numbers are used only for identification purposes.

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