Shop Our Clearance Sale - Up To 80% Off FREE SHIPPING on Orders $49+ *exclusions apply
affirm financing terms & conditions

Menu

Call Us330-331-2003 ChatLive Chat Text Us!
0 Shopping Cart
Your Vehicle

No Vehicle selected
Please select your vehicle below.

    • Audi
    • BMW
    • Mercedes Benz
    • MINI
    • Porsche
    • Volkswagen

Saved Vehicles

My Vehicles
You currently have no stored vehicles.

Recent Vehicles

Recent Vehicles Manage Vehicles

You currently have no recent vehicles.

We'll automatically keep fully selected vehicles here for your convenience.

Call Us330-331-2003 ChatLive Chat Text Us!
Track My Order View Order History Submit a Return Contact Us Wholesale Information Lifetime Replacement Returns and Warranty Information
0
Call Us330-331-2003 ChatLive Chat Text Us!
Track My Order View Order History Submit a Return Contact Us Wholesale Information Lifetime Replacement Returns and Warranty Information
Cancel
0
Sales & Specials
Enter Your Vehicle
affirm financing terms & conditions
garage-red
Your Vehicle Please tap 'Select' to pick a vehicle
Your Vehicle Please tap 'Select' to pick a vehicle
Select

Audi S4 Performance Parts & Upgrades

Sort By
Filter By
Return to Top

Stage 3 Clutch Kit

ES#2570128 - SA863 - Stage 3 Clutch Kit - Features a 6 puck, rigid hub disc with a torque rating of 620 ft/lbs - Spec Clutches - Audi

Features a 6 puck, rigid hub disc with a torque rating of 620 ft/lbs affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
To be used with a OEM Dual Mass Flywheel.

Brand:
Spec Clutches - Corporate Logo
ES#:
2570128
Mfg#:
SA863
Ships in 3 Business Days
$799.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Euro Street Series Coilovers - Adjustable Dampening

Featuring adjustable damping. Average lowering of 0.5"-2.0"F, 0.5"-2.0"R. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Megan Racing - Corporate Logo
ES#:
4667062
Mfg#:
MR-CDK-AS497-EU
Special Order: No Guaranteed ETA
Auto Notify
$799.00 USD
This product is lifetime replacement eligible Lifetime Replacement

Performance Front & Rear Sway Bar Kit

ES#5290 - 22801 - Performance Front & Rear Sway Bar Kit - Includes the front & rear sways bars with installation hardware - Hotchkis - Audi

Includes the front & rear sways bars with installation hardware affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Hotchkis - Corporate Logo
ES#:
5290
Mfg#:
22801
Back Ordered
$798.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Lightweight Alternator Pulley - Black

ES#3086 - 001551ECS02A-01 - Lightweight Alternator Pulley - Black - NOT an under drive pulley, reduces rotational mass of stock pulley system. - ECS - Audi

NOT an under drive pulley, reduces rotational mass of stock pulley system. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3086
Mfg#:
001551ECS02A-01
In Stock
ON SALE!
$96.99

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

$87.96 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

JHM Front Mount Intercooler (FMIC) Kit - Black Couplers

ES#4046061 - FMICB5S4-BLACK - JHM Front Mount Intercooler (FMIC) Kit - Black Couplers - Tested and ran in JHM's record setting B5 S4 - Reduces charge temperatures and increases power - Proven real world performer! - JH Motorsports - Audi

Tested and ran in JHM's record setting B5 S4 - Reduces charge temperatures and increases power - Proven real world performer! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
JH Motorsports - Corporate Logo
ES#:
4046061
Mfg#:
FMICB5S4-BLACK
Ships in 10 Business Days
$789.99 USD
This product is lifetime replacement eligible Lifetime Replacement

19" Wheel Spacer Flush Fit Kit - Polished Bolts

ES#3240972 - 023881ECS02KT - 19" Wheel Spacer Flush Fit Kit - Polished Bolts - Includes ECS spacers & Polished bolts to obtain a flush look on your OE 19" wheels - ECS - Audi

Includes ECS spacers & Polished bolts to obtain a flush look on your OE 19" wheels affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3240972
Mfg#:
023881ECS02KT
Back Ordered
Auto Notify
ON SALE!
$270.99

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

$262.86 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Rear BBK (Big Brake Kit), JHM 300mm (11.8") for B5 A4-S4

ES#4046029 - BBK-1022x300x22 - Rear BBK (Big Brake Kit), JHM 300mm (11.8") for B5 A4-S4 - Finally a low cost rear Big Brake Kit - JH Motorsports - Audi

Finally a low cost rear Big Brake Kit affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
JH Motorsports - Corporate Logo
ES#:
4046029
Mfg#:
BBK-1022X300X22
In Stock
Limited Qty Sale
$824.99

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

$787.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

FX350 Clutch Kit - Stage 3+

ES#2828983 - 02031HDFF - FX350 Clutch Kit - Stage 3+ - Fiber Tough lined, rigid hub clutch disc with heavy duty pressure plate, Rated for 440ft/lbs. - Clutch Masters - Audi

Fiber Tough lined, rigid hub clutch disc with heavy duty pressure plate, Rated for 440ft/lbs. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Clutch Masters - Corporate Logo
ES#:
2828983
Mfg#:
02031HDFF
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.

$922.99

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

$784.99 USD
Free Shipping

Stage 4 FX400 Clutch Kit

ES#2828973 - 02029HDCL - Stage 4 FX400 Clutch Kit - Featuring the Power Plus I pressure plate paired with a full-face ceramic disc - 170% increased holding capacity - Clutch Masters - Audi

Featuring the Power Plus I pressure plate paired with a full-face ceramic disc - 170% increased holding capacity affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Recommended to be used with Clutch Masters steel (FW-029-SF) or aluminum (FW-029-AL) flywheels

Brand:
Clutch Masters - Corporate Logo
ES#:
2828973
Mfg#:
02029HDCL
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.

$922.99

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

$784.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Stage 3+ FX350 Clutch Kit

ES#2828974 - 02029HDFF - Stage 3+ FX350 Clutch Kit - Features the Power Plus I Pressure Plate with Clutch Masters New Formula Button disc - 110% increased holding capacity - Clutch Masters - Audi

Features the Power Plus I Pressure Plate with Clutch Masters New Formula Button disc - 110% increased holding capacity affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Recommended to be used with Clutch Masters steel (FW-029-SF) or aluminum (FW-029-AL) flywheels

Brand:
Clutch Masters - Corporate Logo
ES#:
2828974
Mfg#:
02029HDFF
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.

$922.99

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

$784.99 USD
Free Shipping

Stage 3 FX300 Clutch Kit

ES#2828975 - 02029HDTZ - Stage 3 FX300 Clutch Kit - Features the Power Plus I Pressure Plate with a Steel Back Segmented Kevlar disc - 110% increased holding capacity - Clutch Masters - Audi

Features the Power Plus I Pressure Plate with a Steel Back Segmented Kevlar disc - 110% increased holding capacity affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Recommended to be used with Clutch Masters steel (FW-029-SF) or aluminum (FW-029-AL) flywheels

Brand:
Clutch Masters - Corporate Logo
ES#:
2828975
Mfg#:
02029HDTZ
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.

$922.99

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

$784.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Supertech Inconel Exhaust Valve Kit

ES#3647475 - ST-AEVI-1103SKT1 - Supertech Inconel Exhaust Valve Kit - Stock sized valve head diameter, single groove keeper setup for high RPM use - Includes Supertech valves, single groove keepers and IE valve seals - Assembled By ECS - Audi

Stock sized valve head diameter, single groove keeper setup for high RPM use - Includes Supertech valves, single groove keepers and IE valve seals 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#:
3647475
Mfg#:
ST-AEVI-1103SKT1
Back Ordered
$779.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

2.0T Coil Pack Conversion Kit - Anodized Black Plates with APR Red Coil Packs

ES#4428745 - 0026862ECSKT - 2.0T Coil Pack Conversion Kit - Anodized Black Plates with APR Red Coil Packs - Unload your ICM's and update your 2.7T ignition system! - ECS - Audi

Unload your ICM's and update your 2.7T ignition system! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4428745
Mfg#:
0026862ECSKT
In Stock
ON SALE! SAVE 10%
$866.99

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

$779.65 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

COBB Tuning Accessport Tuner V3

ES#4668573 - AP3-VLK-004 - COBB Tuning Accessport Tuner V3 - Gain up to 80 horsepower and 151 lb-ft of torque on 93 Octane - CobbTuning - Audi

Gain up to 80 horsepower and 151 lb-ft of torque on 93 Octane affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
CobbTuning - Corporate Logo
ES#:
4668573
Mfg#:
AP3-VLK-004
In Stock
$770.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

EMD Auto 15mm Wheel Spacers - Pair (With Bolts)

ES#4430395 - EMD-SPACER-15-57 - EMD Auto 15mm Wheel Spacers - Pair (With Bolts) - Manufactured out of high quality 6061-T6 aluminum, and black anodized for corrosion resistance - 5x112, 57.1 Center Bore - Emmanuele Design - Audi Volkswagen

Manufactured out of high quality 6061-T6 aluminum, and black anodized for corrosion resistance - 5x112, 57.1 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#:
4430395
Mfg#:
EMD-SPACER-15-57
Ships in 2 Business Days
$110.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

BFI B8 Engine Mount Kit (W/Trans Insert) - Stage 2

ES#3991436 - BFI8KSTG2-KIT - BFI B8 Engine Mount Kit (W/Trans Insert) - Stage 2 - Total solution for replacing and upgrading your notoriously weak stock engine mounts for your B8 / B8.5 Audi. - Black Forest Industries - Audi

Total solution for replacing and upgrading your notoriously weak stock engine mounts for your B8 / B8.5 Audi. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Black Forest Industries - Corporate Logo
ES#:
3991436
Mfg#:
BFI8KSTG2-KIT
Ships on Jul 14, 2026
$759.99 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

ECS Tuning is not affiliated with any automobile manufacturers.
Manufacturer names and/or part numbers are used only for identification purposes.

Terms of Use Privacy Policy ECS Tuning is part of Enthusiast Auto Holdings