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Audi S4 Performance Parts & Upgrades

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ES#3410473 - CTS-HW-0249 - CTS Transmission Mount Insert - Eliminate excess drivetrain slop and movement without additional NVH - CTS - Audi

Eliminate excess drivetrain slop and movement without additional NVH affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
CTS - Corporate Logo
ES#:
3410473
Mfg#:
CTS-HW-0249
Back Ordered
$59.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3999994 - 034-503-1009KT - RS4 Clutch Kit With 034Motorsport Billet Flywheel - Featuring the 034Motorsport Billet Lightweight Flywheel, paired with a LUK OE B7 RS4 clutch kit, and associated hardware - Assembled By ECS - Audi

Featuring the 034Motorsport Billet Lightweight Flywheel, paired with a LUK OE B7 RS4 clutch kit, and associated hardware 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#:
3999994
Mfg#:
034-503-1009KT
Back Ordered
$993.99

This product was last offered at the strikethrough price on
01-16-2026

$956.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4046130 - SMFL-B6B7S4-KIT - Chrome-Moly Forged Lightweight Flywheel  - 11lbs lighter than OEM Flywheel - JH Motorsports  - Audi

11lbs lighter than OEM Flywheel affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For late 2005 models and up

Brand:
JH Motorsports  - Corporate Logo
ES#:
4046130
Mfg#:
SMFL-B6B7S4-KIT
Ships in 10 Business Days
$949.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3575938 - SP90BGB - BFI Wheel Spacers - 25mm (Pair) - Exclusively built for your 57.1mm centerbore VW/Audi. Black Anodized - Black Forest Industries - Audi Volkswagen

Exclusively built for your 57.1mm centerbore VW/Audi. Black Anodized affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Black Forest Industries - Corporate Logo
ES#:
3575938
Mfg#:
SP90BGB
In Stock
$94.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3195012 - 019189ecs01KT - Carbon Fiber Side Blade Set - Add a touch of style made with real carbon fiber to your Audi - ECS - Audi

Add a touch of style made with real carbon fiber to your Audi affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3195012
Mfg#:
019189ECS01KT
Ships on Nov 19, 2026
ON SALE! SAVE 10%
$1050.99

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

$945.89 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3557792 - 16-1894 - Z16 Evolution Ceramic Brake Pads - Front - Low-dust and noise-free premium ceramic brake pads - Power Stop - Audi

Low-dust and noise-free premium ceramic brake pads affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Power Stop - Corporate Logo
ES#:
3557792
Mfg#:
16-1894
In Stock
$42.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2177183 - 6-ECS-018 -  Wheel Spacer & Bolt Kit - 8mm With Ball Seat Bolts - Add some flair to your Audi with our new wheel spacers - ECS - Audi

Add some flair to your Audi with our new wheel spacers affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Fits most aftermarket wheels that use ball seat wheel bolts

Brand:
ECS - Corporate Logo
ES#:
2177183
Mfg#:
6-ECS-018
In Stock
ON SALE! SAVE 10%
$148.99

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

$134.09 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
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. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

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
ES#2964871 - S4KR1229 - Rear USR Series Sport Slotted Rotors with Redstuff Brake Pads Kit  - Upgrade to a Turbo slotted rotor for improved braking paired with A high-performance street pad for great braking - EBC - Audi

Upgrade to a Turbo slotted rotor for improved braking paired with A high-performance street pad for great braking affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
EBC - Corporate Logo
ES#:
2964871
Mfg#:
S4KR1229
Ships in 1 Business Day
15% off MSRP

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

$549.99

This product was last offered at the strikethrough price on
06-20-2026

$467.99 USD
Free Shipping
on orders $49 and up
ES#3477712 - IEBAVJ4 - Supercharger Pulley Installation Kit - Ease the 3.0T supercharger pulley removal/installation process with this install kit - Integrated Engineering - Audi Volkswagen Porsche

Ease the 3.0T supercharger pulley removal/installation process with this install kit affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Integrated Engineering - Corporate Logo
ES#:
3477712
Mfg#:
IEBAVJ4
In Stock
$233.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
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
ES#3463384 - 001423001707KT - Sachs Performance Clutch Kit - Includes high-clamp pressure plate and full-face organic clutch disc - Handles up to 400 lb-ft of torque - SACHS Performance - Audi

Includes high-clamp pressure plate and full-face organic clutch disc - Handles up to 400 lb-ft of torque affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
To be used in conjuction with factory flywheel and release bearing

Brand:
SACHS Performance - Corporate Logo
ES#:
3463384
Mfg#:
001423001707KT
Ships in 5 Business Days
$931.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2830888 - FW029BTDS - Clutch Masters 850 Series Twin Disc Steel Flywheel - Lightweight steel flywheel for 8.50 in Twin Disc - Clutch Masters - Audi

Lightweight steel flywheel for 8.50 in Twin Disc affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Clutch Masters - Corporate Logo
ES#:
2830888
Mfg#:
FW029BTDS
Ships in 7 Business Days
15% off MSRP

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

$1094.99

This product was last offered at the strikethrough price on
06-20-2026

$930.99 USD
Free Shipping
on orders $49 and up
ES#2748179 - ECS10152KTWBC1KT - ECS Wheel Spacer & Bolt Kit - 3mm With Black Conical Seat Bolts - Includes everything you need to install spacers on two wheels - ECS - Audi Volkswagen

Includes everything you need to install spacers on two wheels affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Please measure your hub protrusion to ensure it will still make contact with the center of the wheel. See

Brand:
ECS - Corporate Logo
ES#:
2748179
Mfg#:
ECS10152KTWBC1KT
In Stock
ON SALE! SAVE 25%
$122.99

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

$92.24 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4751048 - 000703LA01EBKT - B5 A4 / S4 Quattro Adjustable Damping Coilovers & Performance Rear Differential Mount - Features 32 way adjustable damping, variable length and zinc-coated shock bodies - Enthusiast Bundles - Audi

Features 32 way adjustable damping, variable length and zinc-coated shock bodies 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#:
4751048
Mfg#:
000703LA01EBKT
In Stock
ON SALE! SAVE 29%
$1288.99

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

$917.20 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4708059 - TS-0203-1022 - Kompact Dual Port Blow Off Valve Suit 25mm Inlet Fitting - Priced Each - Get those sweet turbo noises - TurboSmart - Audi

Get those sweet turbo noises affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
TurboSmart - Corporate Logo
ES#:
4708059
Mfg#:
TS-0203-1022
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.

$253.99

This product was last offered at the strikethrough price on
06-20-2026

$228.99 USD
Free Shipping

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