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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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APR Supercharger Dual Pulley Upgrade Kit

ES#4057277 - MS100185 - APR Supercharger Dual Pulley Upgrade Kit - Dramatically increase horsepower and torque by increasing the rotational speed of the factory supercharger (Bolt-On SC Pulley) - APR - Audi

Dramatically increase horsepower and torque by increasing the rotational speed of the factory supercharger (Bolt-On SC Pulley) 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!
*For models with factory bolt-on pulley (3.0T Gen 2 Simos 16.x) - APR Stage II software is required to ru

Brand:
APR - Corporate Logo
ES#:
4057277
Mfg#:
MS100185
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.

$691.99

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

$614.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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
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

Wheel Spacer & Bolt Kit - 17.5mm With Ball Seat Bolts

ES#2177175 - 6-ECS-023 - Wheel Spacer & Bolt Kit - 17.5mm With Ball Seat Bolts - Add some style to your Audi with these wheel spacers - ECS - Audi

Add some style to your Audi with these wheel spacers affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Fits OEM wheels, or wheels that use OEM ball seat wheel bolts

Brand:
ECS - Corporate Logo
ES#:
2177175
Mfg#:
6-ECS-023
In Stock
$173.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

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
In Stock
$106.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Jackal Motorsports Tune - Includes Jackal Tuning Cable

ES#4907822 - B85-1 - Jackal Motorsports Tune - Includes Jackal Tuning Cable - Gains from 86 WHP/64 WTQ on Stage 1 up to 185 WHP/193 WTQ on Stage 2+ E40 - Jackal Motorsports - Audi

Gains from 86 WHP/64 WTQ on Stage 1 up to 185 WHP/193 WTQ on Stage 2+ E40 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with manual transmission only

Brand:
Jackal Motorsports - Corporate Logo
ES#:
4907822
Mfg#:
B85-1
Ships in 1 Business Day
$810.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Audi B8/8.5 S4 3.0T Valved Cat Back Exhaust & Kohlefaser Luft-Technik Intake System

ES#4751087 - 008553ECS03EB2KT - Audi B8/8.5 S4 3.0T Valved Cat Back Exhaust & Kohlefaser Luft-Technik Intake System - Enhance the sound and performance of your S4 with an ECS Tuning cat-back and a Kohlefaser Luft-Technik Intake System - Enthusiast Bundles - Audi

Enhance the sound and performance of your S4 with an ECS Tuning cat-back and a Kohlefaser Luft-Technik Intake System 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#:
4751087
Mfg#:
008553ECS03EB2KT
Ships on Jan 12, 2027
ON SALE! SAVE 28%
$3351.75

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

$2399.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Cup Kit - H&R Sport Springs With Bilstein Sport Shocks

ES#2739504 - 50361KT - Cup Kit - H&R Sport Springs With Bilstein Sport Shocks - Perfect combination of handling & ride quality - Assembled By ECS - Audi

Perfect combination of handling & ride quality 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#:
2739504
Mfg#:
50361KT
Ships on Sep 18, 2026
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$1395.99

This product was last offered at the strikethrough price on
05-22-2026

$1199.99 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

Audi B8 Adjustable Clutch Pedal Stop

ES#3714265 - 026305ECS02 - Audi B8 Adjustable Clutch Pedal Stop - Revolutionize your driving experience with our in-house designed Adjustable Clutch Pedal Stop! - ECS - Audi

Revolutionize your driving experience with our in-house designed Adjustable Clutch Pedal Stop! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3714265
Mfg#:
026305ECS02
In Stock
$43.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

3.0T Billet Boost Tap Kit

ES#2710239 - 003715ECS01A - 3.0T Billet Boost Tap Kit - Designed specifically for the 3.0T engine, comes with needed hardware - ECS - Audi

Designed specifically for the 3.0T engine, comes with needed hardware affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
2710239
Mfg#:
003715ECS01A
In Stock
$73.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

SuperDuper X34 Insuction Bundle

ES#4390856 - 034-108-1904 - SuperDuper X34 Insuction Bundle - The SuperDuper X34 Insuction Bundle for the B8/B8.5 Audi S4/S5 includes all of the best 034Motorsport products required to upgrade your intake system in one comprehensive and convenient package! - 034Motorsport - Audi

The SuperDuper X34 Insuction Bundle for the B8/B8.5 Audi S4/S5 includes all of the best 034Motorsport products required to upgrade your intake system in one comprehensive and convenient package! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
4390856
Mfg#:
034-108-1904
Ships in 2 Business Days
$1166.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

1-Piece Rear Brake Rotor Upgrade Kit - Pair (330mm X 22mm)

ES#5446383 - 034-301-2022 - 1-Piece Rear Brake Rotor Upgrade Kit - Pair (330mm X 22mm) - Geomet Anti-Corrosion Coating, CM-250 Special Alloy Designed Specifically To Reduce Warping from Hard Street Use - 034Motorsport - Audi Porsche

Geomet Anti-Corrosion Coating, CM-250 Special Alloy Designed Specifically To Reduce Warping from Hard Street Use affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
5446383
Mfg#:
034-301-2022
In Stock
$382.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

ECS Wheel Spacers - 8mm (Pair)

ES#2167465 - 002411ECS01A08KT - ECS Wheel Spacers - 8mm (Pair) - Add some flair to your car with our new wheel spacers - ECS - Audi BMW Porsche

Add some flair to your car with our new wheel spacers affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Designed to be used with aftermarket wheels

Brand:
ECS - Corporate Logo
ES#:
2167465
Mfg#:
002411ECS01A08KT
In Stock
$95.99 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

IE Carbon Fiber Intake Lid

ES#3660590 - IEINCG4 - IE Carbon Fiber Intake Lid - Add some style, class, and sporty look to your IE S4 or S5 3.0T Cold Air Intake with this direct-fit carbon fiber lid! - Integrated Engineering - Audi

Add some style, class, and sporty look to your IE S4 or S5 3.0T Cold Air Intake with this direct-fit carbon fiber lid! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!
To be used in Integrated Engineering Cold Air Intake System: IEINCG2A or IEINSG1

Brand:
Integrated Engineering - Corporate Logo
ES#:
3660590
Mfg#:
IEINCG4
In Stock
$321.99 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.

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