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Audi S4 Performance Parts & Upgrades

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Silicone Diverter Valve Pressure Hose - Pair

ES#2864547 - 034-101-3066 - Silicone Diverter Valve Pressure Hose - Pair - This hose pair is designed to replace the outrageously expensive, failure-prone factory rubber hoses - 034Motorsport - Audi

This hose pair is designed to replace the outrageously expensive, failure-prone factory rubber hoses affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
2864547
Mfg#:
034-101-3066
In Stock
$40.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Wheel Spacer Kit - 15mm (1 Pair)

ES#3570123 - MS100168 - Wheel Spacer Kit - 15mm (1 Pair) - 15mm spacers to perfectly dial in your stance or clear your big brake kit! - APR - Audi

15mm 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#:
3570123
Mfg#:
MS100168
Ships in 4 Business Days
$89.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

BFI Wheel Spacers - 8mm (Pair)

ES#3575932 - SP204GB - BFI Wheel Spacers - 8mm (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#:
3575932
Mfg#:
SP204GB
Ships on Jul 14, 2026
$64.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Shocks & Struts - Koni Sports (Set Of Four)

ES#2219836 - 8040-1283SPORT - Shocks & Struts - Koni Sports (Set Of Four) - Add the legendary performance of Koni shocks and struts to your Audi - Koni - Audi

Add the legendary performance of Koni shocks and struts to your Audi affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Koni - Corporate Logo
ES#:
2219836
Mfg#:
8040-1283SPORT
In Stock at Vendor
ON SALE! SAVE 20%
$883.99

This product was last offered at the strikethrough price on
02-16-2026

$705.63 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Rear Lower Control Arm Brace - Audi B8 A4/A5/S4/S5

ES#3478040 - 008050ecs01KT - Rear Lower Control Arm Brace - Audi B8 A4/A5/S4/S5 - Provides additional support to the rear lower control arms for flex reduction to enhance your driving experience - ECS - Audi

Provides additional support to the rear lower control arms for flex reduction to enhance your driving experience affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3478040
Mfg#:
008050ECS01KT
Ships on Aug 11, 2026
Auto Notify
ON SALE! SAVE 25%
$187.99

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

$140.99 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. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
4905885
Mfg#:
034-402-Z062
In Stock
$32.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

2-piece Lightweight Rear Rotors (pair)

Shaves 6lbs 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#:
4045891
Mfg#:
1022X300X22
Ships in 10 Business Days
$699.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Unitronic Crank Pulley Kit For 3.0TFSI

ES#4821286 - UH017BTA - Unitronic Crank Pulley Kit For 3.0TFSI - Optimized pulley size for maximum performance. - Unitronic - Audi

Optimized pulley size for maximum performance. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Unitronic - Corporate Logo
ES#:
4821286
Mfg#:
UH017BTA
Ships in 1 Business Day
$349.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Turbo Inlet Pipe Adapter Ring For Pure750 Hybrid Turbo

ES#4817973 - IEINCK4-PURE750 - Turbo Inlet Pipe Adapter Ring For Pure750 Hybrid Turbo - Easy install for your Pure750 hybrid turbo upgrade - Integrated Engineering - Audi

Easy install for your Pure750 hybrid turbo upgrade affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Integrated Engineering - Corporate Logo
ES#:
4817973
Mfg#:
IEINCK4-PURE750
In Stock
$49.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Eurodyne Reflash - With Powertap Air Flash Tool

ES#3514900 - eurodyne30tKT - Eurodyne Reflash - With Powertap Air Flash Tool - Tune your car with just your laptop and choose gains ranging from 97-108 hp and 45-56 ft-lb of torque - Eurodyne - Audi

Tune your car with just your laptop and choose gains ranging from 97-108 hp and 45-56 ft-lb of torque affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Both B8 and B8.5 models are supported.

Brand:
Eurodyne - Corporate Logo
ES#:
3514900
Mfg#:
EURODYNE30TKT
In Stock
$699.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Front Slotted Brake Rotors - Pair (350x34)

ES#4872025 - EMD-35034-PR - Front Slotted Brake Rotors - Pair (350x34) - Upgrade your looks and performance with a set of slotted rotors! - Emmanuele Design - Audi

Upgrade your looks and performance with a set of slotted rotors! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Emmanuele Design - Corporate Logo
ES#:
4872025
Mfg#:
EMD-35034-PR
In Stock at Vendor
$349.00 USD
This product is lifetime replacement eligible Lifetime Replacement

ECS Wheel Spacers - 17.5mm (Pair)

ES#250710 - 002403ECS03A18KT - ECS Wheel Spacers - 17.5mm (Pair) - Exclusively built for your 57.1mm centerbore VW/Audi - ECS - Audi Volkswagen

Exclusively built for your 57.1mm centerbore VW/Audi affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
250710
Mfg#:
002403ECS03A18KT
In Stock
ON SALE! SAVE 25%
$154.99

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

$116.24 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Rear Cross Drilled & Slotted Brake Rotors - Pair (300x22)

ES#3155007 - EBR1014XPR - Rear Cross Drilled & Slotted Brake Rotors - Pair (300x22) - Upgrade to a slotted / cross-drilled rotor for improved braking - Power Stop - Audi

Upgrade to a slotted / cross-drilled rotor for improved braking affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Power Stop - Corporate Logo
ES#:
3155007
Mfg#:
EBR1014XPR
In Stock at Vendor
$231.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

FP34 Fuel Pump Surge Tank - With Pump

ES#3419777 - 034-106-A003 - FP34 Fuel Pump Surge Tank - With Pump - Fully enclosed FP34 fuel pump surge tank with Bosch 044 "Motorsport" fuel pump - 034Motorsport - Audi Volkswagen

Fully enclosed FP34 fuel pump surge tank with Bosch 044 "Motorsport" fuel pump affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
3419777
Mfg#:
034-106-A003
Back Ordered
$690.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

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