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Audi B8 Performance Parts & Upgrades

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CTS Turbo 3.0T V6 Dual Pulley Upgrade Kit (Press-on - 187mm)

ES#4017694 - CTS-HW-434 - CTS Turbo 3.0T V6 Dual Pulley Upgrade Kit (Press-on - 187mm) - Larger diameter crank pulley & smaller supercharger pulley increases the speed at which the supercharger spins, increasing the boost pressure output - CTS - Audi Porsche

Larger diameter crank pulley & smaller supercharger pulley increases the speed at which the supercharger spins, increasing the boost pressure output *NOTE: This kit must be used with appropriate "Stage 2" performance software.

Brand:
CTS - Corporate Logo
ES#:
4017694
Mfg#:
CTS-HW-434
Back Ordered
ON SALE! SAVE 20%
$529.99

This product was last offered at the strikethrough price on
07-10-2026

$423.98 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Billet Aluminum Rear Differential Mount Upgrade

ES#2966690 - 034-505-2019 - Billet Aluminum Rear Differential Mount Upgrade - Installation is very simple, can be performed in minutes, and is completely reversible. - 034Motorsport - Audi

Installation is very simple, can be performed in minutes, and is completely reversible.

Brand:
034Motorsport - Corporate Logo
ES#:
2966690
Mfg#:
034-505-2019
Ships in 2 Business Days
$117.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Performance Front Lower Control Arm Bushing Set

ES#4045819 - PFF3-701 - Performance Front Lower Control Arm Bushing Set - Improves handling and control - upgrade to a more engaging driving experience - Powerflex - Audi

Improves handling and control - upgrade to a more engaging driving experience For the straight control arm
For the straight control arm

Brand:
Powerflex - Corporate Logo
ES#:
4045819
Mfg#:
PFF3-701
In Stock
$103.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Stage 2 IE Performance ECU Tune With POWERlink Cable

ES#4667172 - iesovn72 - Stage 2 IE Performance ECU Tune With POWERlink Cable - Average gain of 77 horsepower and 121 lb-ft of torque on 91 Octane - Integrated Engineering - Audi

Average gain of 77 horsepower and 121 lb-ft of torque on 91 Octane 5X Entries For Our 25th Anniversary Sweepstakes!
Perform tune in minutes from the comfort of your own driveway! Only available for purchase in the United States and Canada.
Compatible with 2017-2020 model years only, and is incompatible with the new 2021+ ECU variations

Brand:
Integrated Engineering - Corporate Logo
ES#:
4667172
Mfg#:
IESOVN72
In Stock
$828.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rear V5 Slotted Brake Rotors - Set (300x12)

ES#4668208 - 8K0615601M-S - Rear V5 Slotted Brake Rotors - Set (300x12) - Precision manufactured for consistent stopping power during high performance driving. Featuring a matte black zinc coating for corrosion protection. - ECS - Audi

Precision manufactured for consistent stopping power during high performance driving. Featuring a matte black zinc coating for corrosion protection. 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4668208
Mfg#:
8K0615601M-S
Ships in 5 Business Days
ON SALE! SAVE 10%
$305.99

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

$275.38 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Ferrea Performance Valve Spring & Retainer Kit

ES#4305347 - KT4025 - Ferrea Performance Valve Spring & Retainer Kit - Rev higher and increase your RPMs safely! - Ferrea - Audi Volkswagen

Rev higher and increase your RPMs safely!

Brand:
Ferrea - Corporate Logo
ES#:
4305347
Mfg#:
KT4025
In Stock
Limited Qty Sale
$889.99

This product was last offered at the strikethrough price on
06-24-2026

$825.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Wheel Spacer & Bolt Kit - 5mm With Ball Seat Bolts

ES#2177180 - 6-ECS-015 - Wheel Spacer & Bolt Kit - 5mm With Ball Seat Bolts - Get the right size wheel spacer for your Audi - ECS - Audi

Get the right size wheel spacer for your Audi 10X Entries For Our 25th Anniversary Sweepstakes!
Fits OEM wheels, or wheels that use OEM ball seat wheel bolts

Brand:
ECS - Corporate Logo
ES#:
2177180
Mfg#:
6-ECS-015
In Stock
ON SALE! SAVE 25%
$156.99

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

$117.74 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Rocker Panel Side Blade Kit

ES#2712948 - 8K0854932AGRUKT - Rocker Panel Side Blade Kit - Add a unique look plus rocker protection - Genuine Volkswagen Audi - Audi

Add a unique look plus rocker protection For standard models

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2712948
Mfg#:
8K0854932AGRUKT
Ships in 1 day
$811.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

2-piece Lightweight Front Rotors - Pair (345x30)

ES#4045893 - 1025x345x30 - 2-piece Lightweight Front Rotors - Pair (345x30) - 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.

Brand:
JH Motorsports - Corporate Logo
ES#:
4045893
Mfg#:
1025X345X30
Ships in 10 Business Days
$809.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Atmospheric Blow-off Valve Spacer

ES#2862882 - CTSDVSPCR - Atmospheric Blow-off Valve Spacer - Direct bolt on spacer without worry of a check-engine light - CTS - Audi Volkswagen

Direct bolt on spacer without worry of a check-engine light

Brand:
CTS - Corporate Logo
ES#:
2862882
Mfg#:
CTSDVSPCR
Ships in 7 Business Days
ON SALE! SAVE 25%
$89.99

This product was last offered at the strikethrough price on
07-10-2026

$67.49 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

B8 A4/A5 2.0T Performance Pack - Level 1

ES#4016990 - b820tpplvl1KT - B8 A4/A5 2.0T Performance Pack - Level 1 - Entry-level performance kit composed of a careful selection of our best sellers, offering valuable performance gains at a 'bang for the buck' price point - Assembled By ECS - Audi

Entry-level performance kit composed of a careful selection of our best sellers, offering valuable performance gains at a 'bang for the buck' price point 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
4016990
Mfg#:
B820TPPLVL1KT
Ships on Dec 22, 2026
ON SALE! SAVE 14%
$464.99

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

$401.25 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

CTS Street Sport Engine Mount Kit

ES#4140455 - cts-em-b8-50dKT - CTS Street Sport Engine Mount Kit - 50 Durometer rubber construction - Set of two mounts for left and right sides - CTS - Audi

50 Durometer rubber construction - Set of two mounts for left and right sides

Brand:
CTS - Corporate Logo
ES#:
4140455
Mfg#:
CTS-EM-B8-50DKT
Back Ordered
Auto Notify
$399.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

MACH Force-Xp Axle-Back - Polished Tips

ES#4500328 - 49-36437-P - MACH Force-Xp Axle-Back - Polished Tips - This system produces a mild sound unleashing all available horsepower and torque! - AFE - Audi

This system produces a mild sound unleashing all available horsepower and torque!

Brand:
AFE - Corporate Logo
ES#:
4500328
Mfg#:
49-36437-P
In Stock at Vendor
20% off MSRP

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

$995.00

This product was last offered at the strikethrough price on
07-22-2026

$796.00 USD
This product is lifetime replacement eligible Lifetime Replacement

Pro-Kit Lowering Springs - Set

ES#4348722 - 15105.140 - Pro-Kit Lowering Springs - Set - Aggressive look with high performance handling - Average lowering of 1.4"F 1.2" R - Eibach - Audi

Aggressive look with high performance handling - Average lowering of 1.4"F 1.2" R

Brand:
Eibach - Corporate Logo
ES#:
4348722
Mfg#:
15105.140
In Stock at Vendor
10% off MSRP

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

$439.99

This product was last offered at the strikethrough price on
07-22-2026

$395.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Luft-Technik Intake Air Scoop - Audi B8 A4/A5/S4/S5

ES#3220796 - 017429ECS01 - Luft-Technik Intake Air Scoop - Audi B8 A4/A5/S4/S5 - Extends farther down behind the grille to direct more air to the intake system - ECS - Audi

Extends farther down behind the grille to direct more air to the intake system 10X Entries For Our 25th Anniversary Sweepstakes!

Minor modification required, see full description for detail

Brand:
ECS - Corporate Logo
ES#:
3220796
Mfg#:
017429ECS01
In Stock
ON SALE! SAVE 56%
$216.99

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

$95.79 USD
Free Shipping

Carbon Titanium Tail Pipe Set - Right Side

ES#3514385 - TP-CT/21 - Carbon Titanium Tail Pipe Set - Right Side - Replacement carbon/titanium right side tail pipe tip set for system S-AU/TI/2H - Akrapovic - Audi

Replacement carbon/titanium right side tail pipe tip set for system S-AU/TI/2H To be used with Akrapovic exhaust system S-AU/TI/2H

Brand:
Akrapovic - Corporate Logo
ES#:
3514385
Mfg#:
TP-CT/21
Ships on Aug 7, 2026
$783.99 USD
Free Shipping
on orders $49 and up
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.

Let us help you find the parts that fit your Audi

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

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