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Audi S4 Performance Parts & Upgrades

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Front Talon Cross Drilled & Slotted Brake Rotors - Pair (321x30)

ES#3571172 - HTC4766 - Front Talon Cross Drilled & Slotted Brake Rotors - Pair (321x30) - An all new cross drilled and slotted upgrade for your vehicle - Offering performance, durability, and quality in one package! - Hawk - Audi

An all new cross drilled and slotted upgrade for your vehicle - Offering performance, durability, and quality in one package! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Hawk - Corporate Logo
ES#:
3571172
Mfg#:
HTC4766
Special Order: No Guaranteed ETA
20% off MSRP

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

$426.99

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

$341.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Wheel Spacer Flush Fit Kit - Black Bolts

ES#4476494 - B8S4FLUSHKT - Wheel Spacer Flush Fit Kit - Black Bolts - Includes spacers & Black bolts to obtain a flush look on your OE 19" 'Peeler' style wheels - Assembled By ECS - Audi

Includes spacers & Black 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:
Assembled By ECS - Corporate Logo
ES#:
4476494
Mfg#:
B8S4FLUSHKT
Ships in 3 Business Days
ON SALE!
$354.99

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

$341.80 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

ECS Wheel Spacer & Bolt Kit - 6mm With Black Conical Seat Bolts

ES#2748245 - ECS10242KTWBLKT - ECS Wheel Spacer & Bolt Kit - 6mm With Black Conical Seat Bolts - Complete kit for two wheels, comes with everything you need to install spacers on your aftermarket wheels - ECS - Audi Volkswagen

Complete kit for two wheels, comes with everything you need to install spacers on your aftermarket wheels affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Fits most aftermarket wheels that use conical seat wheel bolts

Brand:
ECS - Corporate Logo
ES#:
2748245
Mfg#:
ECS10242KTWBLKT
Ships on Oct 29, 2026
ON SALE! SAVE 20%
$141.99

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

$113.59 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Racingline Sport Spring Set

ES#3570412 - VWR3141S4 - Racingline Sport Spring Set - Give your B9 S4 the ride height it deserves - The first upgrade to make to your car! - Racingline - Audi

Give your B9 S4 the ride height it deserves - The first upgrade to make to your car! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Racingline - Corporate Logo
ES#:
3570412
Mfg#:
VWR3141S4
Ships in 2 Business Days
$338.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Audi B9 A4/S4 A5/S5 RS5 Front Adjustable Sway Bar

ES#4027361 - 022847ecs01KT - Audi B9 A4/S4 A5/S5 RS5 Front Adjustable Sway Bar - Reduce body roll and enhance handling! - ECS - Audi

Reduce body roll and enhance handling! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4027361
Mfg#:
022847ECS01KT
Ships on Oct 29, 2026
ON SALE! SAVE 10%
$374.81

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

$337.33 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Turbosmart Gen-V Race Port BOV - Blue

ES#4007245 - TS-0204-1131 - Turbosmart Gen-V Race Port BOV - Blue - The Race Port is famous for being an amazingly small and light BOV for turbocharged competition level engines - TurboSmart - Audi Volkswagen

The Race Port is famous for being an amazingly small and light BOV for turbocharged competition level engines affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
*General use blow off valve for custom big turbo applications - Not a direct fit valve*

Brand:
TurboSmart - Corporate Logo
ES#:
4007245
Mfg#:
TS-0204-1131
In Stock at Vendor
$335.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

M14 Titanium Wheel Stud Kit - Burnt - Set Of 20

ES#4487741 - TISTUD20145BURN - M14 Titanium Wheel Stud Kit - Burnt - Set Of 20 - M14x1.5x75mm with conical nuts - Vargas Turbo Technologies - Audi Volkswagen

M14x1.5x75mm with conical nuts affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Vargas Turbo Technologies - Corporate Logo
ES#:
4487741
Mfg#:
TISTUD20145BURN
Ships in 10 Business Days
$335.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Compression Dropping Head Gasket - 1.0 Drop

ES#3662203 - 034-201-3113 - Compression Dropping Head Gasket - 1.0 Drop - OEM quality, MLS headgasket with increased thickness to drop compression in all hydraulic-lifter 10v and 20v 5 cylinder motors with up to 82mm bore. - 034Motorsport - Audi

OEM quality, MLS headgasket with increased thickness to drop compression in all hydraulic-lifter 10v and 20v 5 cylinder motors with up to 82mm bore. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
3662203
Mfg#:
034-201-3113
Ships in 2 Business Days
$334.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

3.0 TFSI Stage II Supercharger Drive Pulley Installation Kit

ES#2209707 - MS100025 - 3.0 TFSI Stage II Supercharger Drive Pulley Installation Kit - Install kit used for APR MS100035 - APR - Audi Volkswagen Porsche

Install kit used for APR MS100035 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!
To be used for APR Supercharger Drive Pulley Upgrade MS100135

Brand:
APR - Corporate Logo
ES#:
2209707
Mfg#:
MS100025
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.

$374.99

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

$332.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

APR Supercharger Crank Pulley Upgrade (187mm)

ES#3219162 - MS100133 - APR Supercharger Crank Pulley Upgrade (187mm) - Increases diameter of factory pulley from ~162mm to ~187mm, which in turn spins the supercharger ~15.4% faster! - APR - Audi Porsche

Increases diameter of factory pulley from ~162mm to ~187mm, which in turn spins the supercharger ~15.4% 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 - Pleas

Brand:
APR - Corporate Logo
ES#:
3219162
Mfg#:
MS100133
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.

$374.99

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

$332.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Front Brake Pad Set

ES#4031335 - 8W0698151N - Front Brake Pad Set - Composite pads that are a great solution for your daily driver. - Textar - Audi

Composite pads that are a great solution for your daily driver. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Textar - Corporate Logo
ES#:
4031335
Mfg#:
8W0698151N
Ships in 1-2 days
$340.99

This product was last offered at the strikethrough price on
05-07-2026

$331.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Performance Ignition Service Kit

ES#4475298 - 06M905606F4KT - Performance Ignition Service Kit - Includes six Red CTS coil packs and OEM spark plugs to service your ignition system - Assembled By ECS - Audi

Includes six Red CTS coil packs and OEM spark plugs to service your ignition system 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#:
4475298
Mfg#:
06M905606F4KT
Back Ordered
Auto Notify
$331.43 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Special Active Front Strut - Priced Each

ES#4698695 - 82451406 - Special Active Front Strut - Priced Each - Superior handling without compromising ride quality - Koni - Audi

Superior handling without compromising ride quality affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles without electronic suspension (49mm diameter strut)

Brand:
Koni - Corporate Logo
ES#:
4698695
Mfg#:
82451406
In Stock
ON SALE! SAVE 20%
$207.99

This product was last offered at the strikethrough price on
03-02-2026

$165.70 USD
Free Shipping
on orders $49 and up

Performance Rear Sway Bar End Links

ES#3183670 - MRS-AU-0130 - Performance Rear Sway Bar End Links - Replace the flimsy stock plastic and rubber units - Megan Racing - Audi

Replace the flimsy stock plastic and rubber units affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Megan Racing - Corporate Logo
ES#:
3183670
Mfg#:
MRS-AU-0130
Ships in 4 Business Days
$165.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Billet Rear Spring Perch

ES#4304765 - B8010A0 - Billet Rear Spring Perch - Replace your spring perches with stronger more rigid billet aluminum! - JXB Performance - Audi

Replace your spring perches with stronger more rigid billet aluminum! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
JXB Performance - Corporate Logo
ES#:
4304765
Mfg#:
B8010A0
Ships in 4 Business Days
$109.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

034Motorsport Coil Pack Hold-Down Bracket Kit

ES#4147794 - 034-107-Z032 - 034Motorsport Coil Pack Hold-Down Bracket Kit - Keep your upgraded 2.0T style coil packs cool and seated with the 034Motorsport Coil Pack Hold-Down Bracket Kit for Audi B5 S4/RS4 & C5 A6/Allroad 2.7T vehicles! - 034Motorsport - Audi

Keep your upgraded 2.0T style coil packs cool and seated with the 034Motorsport Coil Pack Hold-Down Bracket Kit for Audi B5 S4/RS4 & C5 A6/Allroad 2.7T vehicles! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
*Does not include Conversion harness or 2.0T Coil Packs - This product will not work with 2.7T plastic valve covers.*

Brand:
034Motorsport - Corporate Logo
ES#:
4147794
Mfg#:
034-107-Z032
Ships in 2 Business Days
$329.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

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