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Audi S4 Performance Parts & Upgrades

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ES#3193030 - FRI-0183 - Gruppe M Carbon Fiber Intake System - Elegant looks with enhanced performance! - Gruppe M - Audi

Elegant looks with enhanced performance! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Gruppe M - Corporate Logo
ES#:
3193030
Mfg#:
FRI-0183
Ships on Jul 9, 2026
$1103.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4000041 - 302229 - JE Performance Piston Set - Includes rings, wire locks, and wrist pins - 81.5mm Bore (0.50 oversize), 8.5:1 CR, 86.4mm stroke - JE Piston - Audi

Includes rings, wire locks, and wrist pins - 81.5mm Bore (0.50 oversize), 8.5:1 CR, 86.4mm stroke affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
JE Piston - Corporate Logo
ES#:
4000041
Mfg#:
302229
Back Ordered
$1099.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Includes rings, wire locks, and wrist pins - 81.0mm Bore (stock), 8.5:1 CR, 86.4mm stroke affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
JE Piston - Corporate Logo
ES#:
4000051
Mfg#:
302228
Back Ordered
$1099.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#1831830 - 2055571B - DR Series Wheel Spacers - 10mm (Pair) - Version 2 - Fine tune your stance and improve handling - H&R - Audi Volkswagen

Fine tune your stance and improve handling affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
H&R - Corporate Logo
ES#:
1831830
Mfg#:
2055571B
Ships in 3 Business Days
$109.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4046137 - STS-B5S4L - JHM Solid Short Throw Shifter (Late Style) - If you desire the ultimate in shifting, the JH Motorsports B5 S4, C5 A6-allroad Late Style Solid Short Throw Shifter is the perfect solution! - JH Motorsports  - Audi

If you desire the ultimate in shifting, the JH Motorsports B5 S4, C5 A6-allroad Late Style Solid Short Throw Shifter is the perfect solution! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
*For late style shifters - Please see shifter comparison links in product description*

Brand:
JH Motorsports  - Corporate Logo
ES#:
4046137
Mfg#:
STS-B5S4L
Ships in 10 Business Days
$365.66 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4908433 - 79005 - Air Lift Performance Coilover Kit - Offers the ability to convert to a complete air suspension system via a coilover-to-air conversion kit (coming soon)! - Air Lift - Audi

Offers the ability to convert to a complete air suspension system via a coilover-to-air conversion kit (coming soon)! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Air Lift - Corporate Logo
ES#:
4908433
Mfg#:
79005
Ships in 4 Business Days
$1095.00 USD
ES#4056522 - 13210032 - ST X Performance Coilover System - Fixed Damping - Set your vehicle low and tight for optimal performance. - Suspension Techniques - Audi

Set your vehicle low and tight for optimal performance. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Height adjustable from 1.6" to 2.8" Front & Rear

Brand:
Suspension Techniques - Corporate Logo
ES#:
4056522
Mfg#:
13210032
Back Ordered
$1089.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4447704 - 95B615123F2KT - Front Big Brake Kit - Stage 2 - No Pads/Rotors/Brake Fluid  - Upgrade your brake system to the 4-piston Brembo Porsche Macan calipers - ECS - Audi

Upgrade your brake system to the 4-piston Brembo Porsche Macan calipers affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4447704
Mfg#:
95B615123F2KT
In Stock
$1086.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2864591 - 034-402-4006 - Adjustable Front Sway Bar End Links - Pair - Replace your flimsy, sloppy OEM sway bar end links with these performance engineered adjustable spherical endlinks - 034Motorsport - Audi

Replace your flimsy, sloppy OEM sway bar end links with these performance engineered adjustable spherical endlinks affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
2864591
Mfg#:
034-402-4006
Ships in 2 Business Days
$217.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3476435 - 021460TMS03-06 -  17.5mm Wheel Spacers - Black (Pair)  - Lightweight wheel spacers with a machined tab for easy removal - Turner Motorsport - Audi BMW MINI Porsche

Lightweight wheel spacers with a machined tab for easy removal affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Turner Motorsport - Corporate Logo
ES#:
3476435
Mfg#:
021460TMS03-06
In Stock
ON SALE!
$162.99

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

$154.84 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3219163 - MS100135 -  APR Supercharger Drive Pulley Upgrade - Decreases the diameter of the factory pulley from ~63.25mm to ~57.75mm, which in turn spins the supercharger ~9.5% faster. - APR - Audi Porsche

Decreases the diameter of the factory pulley from ~63.25mm to ~57.75mm, which in turn spins the supercharger ~9.5% faster. 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!
- APR Stage II software is required to run any upgraded Pulley configuration and is sold separately - Ple

Brand:
APR - Corporate Logo
ES#:
3219163
Mfg#:
MS100135
Ships in 5 Business Days
11% off MSRP

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

$241.99

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

$214.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2951801 - 010425ECS01KT1 - Wheel Spacer Flush Fit Kit - Black Bolts - Includes spacers & Black bolts to obtain a flush look on your OE 18" wheels - Assembled By ECS - Audi

Includes spacers & Black bolts to obtain a flush look on your OE 18" wheels 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#:
2951801
Mfg#:
010425ECS01KT1
In Stock
ON SALE! SAVE 13%
$204.99

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

$178.49 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4044054 - 4710-11032 - AWE ColdFront Coolant Pump - B8 3.0T - Replaces the stock heat exchanger pump and out-performs it with a 100% gain in flow-rate over the factory pump. - AWE - Audi

Replaces the stock heat exchanger pump and out-performs it with a 100% gain in flow-rate over the factory pump. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

For vehicles up through the 2012 model year only. (Pre-Facelift). Requires the AWE ColdFrontâ„¢ Reservoir for proper fitment.

Brand:
AWE - Corporate Logo
ES#:
4044054
Mfg#:
4710-11032
Ships on Jul 10, 2026
$1068.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3468577 - 019207ECS02KT - Engine Street Shield Hardware Kit - Replacement hardware kit for your front location ECS Street Shield - ECS - Audi

Replacement hardware kit for your front location ECS Street Shield affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3468577
Mfg#:
019207ECS02KT
In Stock
ON SALE! SAVE 15%
$95.99

This product was last offered at the strikethrough price on
01-03-2026

$81.59 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4017694 - CTS-HW-434 - CTS Turbo 3.0T V6 Dual Pulley Upgrade Kit (Press-on - 187mm) - Larger diameter crank pulley & smaller supercharger pulley increases the speed at which the supercharger spins, increasing the boost pressure output - CTS - Audi Porsche

Larger diameter crank pulley & smaller supercharger pulley increases the speed at which the supercharger spins, increasing the boost pressure output affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
*NOTE: This kit must be used with appropriate "Stage 2" performance software.

Brand:
CTS - Corporate Logo
ES#:
4017694
Mfg#:
CTS-HW-434
Back Ordered
$529.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4845335 - 034-108-Z134 - X34 Carbon Fiber Air Scoop - Large Intercooler Size - Increase airflow for your 2.0T or 3.0T equipped B9 A4/S4/Allroad with the 034Motorsport X34 Carbon Fiber Intake Air Scoop! - 034Motorsport - Audi

Increase airflow for your 2.0T or 3.0T equipped B9 A4/S4/Allroad with the 034Motorsport X34 Carbon Fiber Intake Air Scoop! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Will not fit vehicles with the active grille shutter system, such as B9.5 A4 and allroad.

Brand:
034Motorsport - Corporate Logo
ES#:
4845335
Mfg#:
034-108-Z134
Ships in 2 Business Days
$174.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

More About Performance Parts & Upgrades

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