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Audi S4 Performance Parts & Upgrades

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Revo 3.0T Air Intake System

ES#4499782 - RA221M200200 - Revo 3.0T Air Intake System - Along with an aggressive intake sound, more air means access to more power throughout the rev-range. - REVO - Audi

Along with an aggressive intake sound, more air means access to more power throughout the rev-range. Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
REVO - Corporate Logo
ES#:
4499782
Mfg#:
RA221M200200
In Stock
$537.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Audi B8/8.5 A4/S4 Engine Bay Lighting Kit

ES#3690279 - 017146ECS01 - Audi B8/8.5 A4/S4 Engine Bay Lighting Kit - Seamlessly integrate ultra bright LED lighting under your hood! - ECS - Audi

Seamlessly integrate ultra bright LED lighting under your hood! 10X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
ECS - Corporate Logo
ES#:
3690279
Mfg#:
017146ECS01
In Stock
ON SALE!
$140.99

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

$133.94 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

GT100 Exhaust Titanium Tips - Quad

ES#3247851 - MSVW374X4 - GT100 Exhaust Titanium Tips - Quad - 100mm GT style exhaust tips for the left and right side of the vehicle - Milltek Sport - Audi Volkswagen

100mm GT style exhaust tips for the left and right side of the vehicle Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Milltek Sport - Corporate Logo
ES#:
3247851
Mfg#:
MSVW374X4
Ships on Nov 16, 2026
ON SALE! SAVE 10%
$594.99

This product was last offered at the strikethrough price on
10-26-2026

$534.78 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Driveshaft Support Center Bearing

ES#2864595 - 034-506-0004 - Driveshaft Support Center Bearing - Finally a solution to replacing the entire driveshaft - 034Motorsport - Audi

Finally a solution to replacing the entire driveshaft 2X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
034Motorsport - Corporate Logo
ES#:
2864595
Mfg#:
034-506-0004
In Stock
$76.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Audi B6/B7 Stage 2 Engine Mount Kit With Snub Mount

ES#4044639 - ebfib56es2KT - Audi B6/B7 Stage 2 Engine Mount Kit With Snub Mount - Keep your engine planted and transfer as much power to the ground as possible - Black Forest Industries - Audi Volkswagen

Keep your engine planted and transfer as much power to the ground as possible Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Black Forest Industries - Corporate Logo
ES#:
4044639
Mfg#:
EBFIB56ES2KT
Ships on Nov 17, 2026
$529.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Billet Drop-In Fuel Pump Upgrade Kit - Bosch Motorsport 044

ES#3419589 - 034-106-6014 - Billet Drop-In Fuel Pump Upgrade Kit - Bosch Motorsport 044 - Features Motorsport Bosch 044 fuel pump with billet 034 mounting bracket for a direct-fit. - 034Motorsport - Audi

Features Motorsport Bosch 044 fuel pump with billet 034 mounting bracket for a direct-fit. 2X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
034Motorsport - Corporate Logo
ES#:
3419589
Mfg#:
034-106-6014
Ships in 2 Business Days
$526.00 USD
Free Shipping
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 10X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
ECS - Corporate Logo
ES#:
3240972
Mfg#:
023881ECS02KT
In Stock
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

Stage 2 Clutch Kit

ES#3090773 - SA602 - Stage 2 Clutch Kit - Features a full faced, steel backed, pure kevlar disc with a torque rating of 367 ft/lbs - Spec Clutches - Audi

Features a full faced, steel backed, pure kevlar disc with a torque rating of 367 ft/lbs Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Spec Clutches - Corporate Logo
ES#:
3090773
Mfg#:
SA602
Ships in 4 Business Days
$525.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Front Lower Control Arm Kit

ES#3183691 - mrs-au-1911-1912 - Front Lower Control Arm Kit - Includes upgraded lower straight and curved control arms - Megan Racing - Audi

Includes upgraded lower straight and curved control arms Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Megan Racing - Corporate Logo
ES#:
3183691
Mfg#:
MRS-AU-1911-1912
Back Ordered
$524.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Front Upper Control Arm Bushings - Camber Adjustable

ES#4305154 - PFF3-1203G - Front Upper Control Arm Bushings - Camber Adjustable - Improves handling and control - upgrade to a more engaging driving experience - Powerflex - Audi

Improves handling and control - upgrade to a more engaging driving experience Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Powerflex - Corporate Logo
ES#:
4305154
Mfg#:
PFF3-1203G
Ships in 2 Business Days
$261.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Front Sport Strut - Priced Each

ES#4698691 - 82411317SPORT - Front Sport Strut - Priced Each - Tighten up your Audi with these Koni struts - Koni - Audi

Tighten up your Audi with these Koni struts Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
For vehicles without electronic suspension (49mm diameter strut)

Brand:
Koni - Corporate Logo
ES#:
4698691
Mfg#:
82411317SPORT
Back Ordered
38% off MSRP

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

$421.99

This product was last offered at the strikethrough price on
10-26-2026

$259.99 USD
Free Shipping
on orders $49 and up

Rally Lever Add On For ECS Adjustable Short Throw Shifter - Audi B8 A4/A5/S5/S5

ES#4609309 - 043644LA01-1 - Rally Lever Add On For ECS Adjustable Short Throw Shifter - Audi B8 A4/A5/S5/S5 - Upgrade to a taller shift lever to keep your hands closer to the wheel - ECS - Audi

Upgrade to a taller shift lever to keep your hands closer to the wheel 10X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
ECS - Corporate Logo
ES#:
4609309
Mfg#:
043644LA01-1
Ships on Mar 29, 2027
Starting at $111.62 USD
Customize
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Supertech Stainless Intake Valves - Set Of 18

ES#4041041 - st-aivn-1103KT2 - Supertech Stainless Intake Valves - Set Of 18 - Standard sized valve head diameter, factory triple groove keeper setup - Supertech - Audi

Standard sized valve head diameter, factory triple groove keeper setup Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Supertech - Corporate Logo
ES#:
4041041
Mfg#:
ST-AIVN-1103KT2
Ships in 5 Business Days
$515.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Wheel Spacer & Bolt Kit - 8mm with Black Ball Seat Bolts

ES#2788501 - 002411ECS04A8KT2 - Wheel Spacer & Bolt Kit - 8mm with Black Ball Seat Bolts - Includes everything you need to install our new wheel-centric spacers on two wheels - ECS - Audi

Includes everything you need to install our new wheel-centric spacers on two wheels 10X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Designed to be used with OE wheels only

Brand:
ECS - Corporate Logo
ES#:
2788501
Mfg#:
002411ECS04A8KT2
Ships on Mar 8, 2027
ON SALE!
$134.99

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

$128.24 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Sway Bar Teflon Bushing Rebuild & Upgrade Kit - 25.4mm Pair

ES#4905885 - 034-402-Z062 - Sway Bar Teflon Bushing Rebuild & Upgrade Kit - 25.4mm Pair - Replacement Bushing Set for 034-402-1003, 034-402-1005, 034-402-1007, 034-402-1008 and, 034-402-1035. Rear Position. - 034Motorsport - Audi

Replacement Bushing Set for 034-402-1003, 034-402-1005, 034-402-1007, 034-402-1008 and, 034-402-1035. Rear Position. 2X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
034Motorsport - Corporate Logo
ES#:
4905885
Mfg#:
034-402-Z062
Ships in 2 Business Days
$32.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Stainless Steel Bi-Pipe Set - Raw

ES#2864565 - 034-108-5001 - Stainless Steel Bi-Pipe Set - Raw - Replace your restrictive OEM Audi bipipes with 034Motorsport's High-Flow Bi-pipe Set for the 2.7T! - 034Motorsport - Audi

Replace your restrictive OEM Audi bipipes with 034Motorsport's High-Flow Bi-pipe Set for the 2.7T! 2X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
034Motorsport - Corporate Logo
ES#:
2864565
Mfg#:
034-108-5001
Ships on Nov 17, 2026
$256.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

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