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Audi S4 Performance Parts & Upgrades

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ES#2748188 - ECS10611KTWBC1 - ECS Wheel Spacer & Bolt Kit - 7mm 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#:
2748188
Mfg#:
ECS10611KTWBC1
In Stock
ON SALE! SAVE 20%
$132.99

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

$106.39 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4005448 - 034-145-Z037 - 034Motorsport 3.0 TFSI Supercharger Pulley Removal Tool - Features precision machined half-shells designed to perfectly clamp the supercharger pulley for easy removal - 034Motorsport - Audi Porsche

Features precision machined half-shells designed to perfectly clamp the supercharger pulley for easy removal affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
4005448
Mfg#:
034-145-Z037
Ships in 2 Business Days
$248.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3619007 - 116 050 0222/HD - Complete Heavy Duty Front Control Arm Kit - Keep your suspension in top shape - Includes all front control arms, ball joints, and hardware - Meyle HD - Audi

Keep your suspension in top shape - Includes all front control arms, ball joints, and hardware affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
Fits models up through production date 11/2/2009 (M12 Ball Joints) - Please verify existing prior to ordering

Brand:
Meyle HD - Corporate Logo
ES#:
3619007
Mfg#:
116 050 0222/HD
Ships on Oct 29, 2026
$743.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2631383 - 82401279SPORTKT -  Sport Shocks & Struts Kit - Tighten up your Audi with these Koni Yellow shocks & struts - Koni - Audi

Tighten up your Audi with these Koni Yellow shocks & struts affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Koni - Corporate Logo
ES#:
2631383
Mfg#:
82401279SPORTKT
Ships in 1-2 days
ON SALE! SAVE 20%
$932.99

This product was last offered at the strikethrough price on
02-27-2026

$743.94 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3991434 - BFI8KSTG1-KIT - BFI B8 Engine Mount Kit (W/Trans Insert) - Stage 1  - 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#:
3991434
Mfg#:
BFI8KSTG1-KIT
Ships on Jul 14, 2026
$739.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3991437 - EBFI708K001 - BFI Audi B8 Complete Engine Mount - Stage 1 - Priced Each  - 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#:
3991437
Mfg#:
EBFI708K001
Ships on Jul 14, 2026
$369.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3557655 - 024315ecs01KT - Complete Carbon Fiber Grille Accent And Overlay Kit - Completely change your front end appearance with the full kit! - ECS - Audi

Completely change your front end appearance with the full kit! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Does not fit vehicles with Drivers Assistance Package. Fits up to 2019 model year with *pre-facelift* front bumpers

Brand:
ECS - Corporate Logo
ES#:
3557655
Mfg#:
024315ECS01KT
Ships on Nov 19, 2026
ON SALE! SAVE 10%
$821.99

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

$739.79 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2873006 - 034-505-2015 - Rear Differential Carrier Mount Insert Kit - 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#:
2873006
Mfg#:
034-505-2015
Back Ordered
Auto Notify
$123.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4880766 - 034-401-H006 - Lower Control Arm M12 Hardware Kit For B8/B8.5 Audi A4/S4/RS4, A5/S5/RS5, Q5/SQ5, C7/C7.5 A6/S6/RS6, A7/S7/RS7, & 95B Porsche Macan - This hardware kit contains all hardware required to install a lower front control arm kit for early model B8/C7 vehicles with M12 hardware. All hardware is high-quality OEM plated. - 034Motorsport - Audi

This hardware kit contains all hardware required to install a lower front control arm kit for early model B8/C7 vehicles with M12 hardware. All hardware is high-quality OEM plated. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
4880766
Mfg#:
034-401-H006
Back Ordered
Auto Notify
$82.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4049570 - SA862S - Stage 2 Clutch Kit - Features a full faced, steel backed, pure kevlar sprung hub disc with a torque rating of 490 ft/lbs - Spec Clutches - Audi

Features a full faced, steel backed, pure kevlar sprung hub disc with a torque rating of 490 ft/lbs affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Includes sprung hub clutch disc - To be used with Spec Single Mass Aluminum Flywheel - SA26A

Brand:
Spec Clutches - Corporate Logo
ES#:
4049570
Mfg#:
SA862S
In Stock at Vendor
$737.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3570121 - MS100166 - Wheel Spacer Kit - 10mm (1 Pair)  - 10mm spacers to perfectly dial in your stance or clear your big brake kit! - APR - Audi

10mm spacers to perfectly dial in your stance or clear your big brake kit! 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!

Brand:
APR - Corporate Logo
ES#:
3570121
Mfg#:
MS100166
Ships on Jul 21, 2026
12% off MSRP

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

$138.99

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

$122.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2828971 - 02029HD0F - Stage 2+ FX250 Clutch Kit - Featuring the Power Plus pressure plate paired with a sprung-hub dual friction Organic/Fiber Tough disc - 110% increased holding capacity - Clutch Masters - Audi

Featuring the Power Plus pressure plate paired with a sprung-hub dual friction Organic/Fiber Tough 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#:
2828971
Mfg#:
02029HD0F
Ships in 3 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.

$866.99

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

$736.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2795758 - 003901ECS35BB -  Ball Seat Locking Wheel Bolt Kit - Black zinc coated wheel lock bolts made specifically for OE wheels. M14x1.5x35mm - ECS - Audi Volkswagen

Black zinc coated wheel lock bolts made specifically for OE wheels. M14x1.5x35mm affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
For use with 6-8mm spacers

Brand:
ECS - Corporate Logo
ES#:
2795758
Mfg#:
003901ECS35BB
Ships on Jul 9, 2026
ON SALE! SAVE 25%
$88.99

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

$66.74 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4877145 - 034B8/8.5TUNE - B8 Audi S4/S5/SQ5/Q5 3.0T Dynamic+ Performance Software Package - Unleash up to 540HP/491TQ by transforming your Audi EA837 3.0T with Dynamic+ Tuning - delivering ultimate power, drivability, reliability, and enhanced features! - 034Motorsport - Audi

Unleash up to 540HP/491TQ by transforming your Audi EA837 3.0T with Dynamic+ Tuning - delivering ultimate power, drivability, reliability, and enhanced features! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
4877145
Mfg#:
034B8/8.5TUNE
EO#:
D-850
Ships in 1 Business Day
Starting at $180.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement
ES#5457611 - 034-103-3400 - 034SPI Boot Loader Unlock (BLU) Harness For AL552/AL952 Transmissions - Unlock your 2022+ Audi AL552 TCU with the 401 boot loader from the comfort of your home. - 034Motorsport - Audi

Unlock your 2022+ Audi AL552 TCU with the 401 boot loader from the comfort of your home. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
5457611
Mfg#:
034-103-3400
Ships in 2 Business Days
$145.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2678093 - 002411ECS01AKT -  Wheel Spacer Flush Fit Kit - Polished Bolts - Includes spacers & Polished bolts to obtain a flush look on your OE 19" 'Peeler' style wheels - ECS - Audi

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

Brand:
ECS - Corporate Logo
ES#:
2678093
Mfg#:
002411ECS01AKT
Back Ordered
Auto Notify
ON SALE! SAVE 20%
$301.99

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

$241.59 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

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