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Audi S4 Performance Parts & Upgrades

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Wheel Spacer & Bolt Kit - 12.5mm with Conical Seat Bolts

ES#2863232 - 002403ECS02aKT2 - Wheel Spacer & Bolt Kit - 12.5mm with 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!

Brand:
ECS - Corporate Logo
ES#:
2863232
Mfg#:
002403ECS02AKT2
In Stock
ON SALE! SAVE 25%
$189.99

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

$142.49 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Rear Exact-Fit Stainless Steel Brake Lines

ES#8828 - ecs41010kt - Rear Exact-Fit Stainless Steel Brake Lines - Rear set of DOT-compliant lines for an improved pedal feel - ECS - Audi

Rear set of DOT-compliant lines for an improved pedal feel affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
8828
Mfg#:
ECS41010KT
In Stock
ON SALE! SAVE 25%
$94.99

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

$71.24 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Spherical Adjustable Rear Tie Rod Set

ES#3432213 - 034-406-2005 - Spherical Adjustable Rear Tie Rod Set - Allow for precise toe adjustment, while eliminating unwanted suspension deflection - 034Motorsport - Audi

Allow for precise toe adjustment, while eliminating unwanted suspension deflection affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
3432213
Mfg#:
034-406-2005
In Stock
$427.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Coil Conversion & ICM Delete Kit - 2.7T to 2.0T FSI Coils

ES#2864555 - 034-107-7000-BLK - Coil Conversion & ICM Delete Kit - 2.7T to 2.0T FSI Coils - Tired of swapping ICMs and coils around trying to figure out the source of pesky misfires? - 034Motorsport - Audi

Tired of swapping ICMs and coils around trying to figure out the source of pesky misfires? affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
*Does not include coil packs. This conversion kit is to be used with 06B905115E ignition coils*

Brand:
034Motorsport - Corporate Logo
ES#:
2864555
Mfg#:
034-107-7000-BLK
Ships in 2 Business Days
$426.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Audi 3.0T Performance Overdrive Crank Pulley With ECS Performance Kevlar Reinforced Supercharger Belt- 187.3mm - For Use As Crank Pulley Only Upgrade

ES#4305084 - 025510ECS01KT2 - Audi 3.0T Performance Overdrive Crank Pulley With ECS Performance Kevlar Reinforced Supercharger Belt- 187.3mm - For Use As Crank Pulley Only Upgrade - Spin the supercharger faster without affecting the accessory drive system - ECS - Audi Volkswagen Porsche

Spin the supercharger faster without affecting the accessory drive system affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Appropriate stage 2 software is required for use

Brand:
ECS - Corporate Logo
ES#:
4305084
Mfg#:
025510ECS01KT2
In Stock
$425.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Street Transmission Mount - Priced each

ES#4830811 - CTS-TM-AUDI3-50D - Street Transmission Mount - Priced each - A perfect upgrade for your factory mounts - CTS - Audi

A perfect upgrade for your factory mounts affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For Vehicles with Tiptronic transmissions only

Brand:
CTS - Corporate Logo
ES#:
4830811
Mfg#:
CTS-TM-AUDI3-50D
Ships in 7 Business Days
$84.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

ECS Wheel Spacers - 7mm (Pair)

ES#2063853 - 002403ECS01A07KT - ECS Wheel Spacers - 7mm (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!
Please measure your hub protrusion to ensure it will still make contact with the center of the wheel. See

Brand:
ECS - Corporate Logo
ES#:
2063853
Mfg#:
002403ECS01A07KT
In Stock
ON SALE! SAVE 30%
$100.99

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

$70.69 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

B8 S4 Carbon Fiber Left Side Engine Bay Cover - Red Carbon/Kevlar

ES#3638701 - 023149ECS02-02KT - B8 S4 Carbon Fiber Left Side Engine Bay Cover - Red Carbon/Kevlar - Cover up unsightly under hood components with red carbon fiber and kevlar style! - ECS - Audi

Cover up unsightly under hood components with red carbon fiber and kevlar style! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3638701
Mfg#:
023149ECS02-02KT
Ships on Aug 31, 2026
Auto Notify
ON SALE! SAVE 10%
$234.99

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

$211.49 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

DRA Series Wheel Spacers - 21mm - Pair

ES#4149584 - 4255668 - DRA Series Wheel Spacers - 21mm - Pair - Fine tune your stance and improve handling - H&R - Audi

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#:
4149584
Mfg#:
4255668
Ships in 3 Business Days
$139.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

BFI Wheel Spacers - 3mm (Pair)

ES#3575928 - SP35100112GB - BFI Wheel Spacers - 3mm (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#:
3575928
Mfg#:
SP35100112GB
In Stock
$59.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

BFI B8 Transmission Mount Insert

ES#3604901 - EBFI7838K1001 - BFI B8 Transmission Mount Insert - Reduce wheel hop and put more power to the ground! - Black Forest Industries - Audi

Reduce wheel hop and put more power to the ground! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Black Forest Industries - Corporate Logo
ES#:
3604901
Mfg#:
EBFI7838K1001
Ships in 1 Business Day
$59.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coated Rod Bearing Set - Standard Size

ES#4020129 - 034-202-1012 - Coated Rod Bearing Set - Standard Size - Coated rod bearing set for the Audi 2.7T and 2.8L12V / 30V V6 motors - engineered to withstand extreme performance pressure - 034Motorsport - Audi

Coated rod bearing set for the Audi 2.7T and 2.8L12V / 30V V6 motors - engineered to withstand extreme performance pressure affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
4020129
Mfg#:
034-202-1012
Back Ordered
$208.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Front & Rear Performance Ceramic Brake Pad Set

Ceramic composite developed to meet ultra-low dust and noise requirements. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Hawk - Corporate Logo
ES#:
5445249
Mfg#:
B9SFRP2KT
Ships on Jul 9, 2026
$413.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rennline Wheel Spacer Kit

ES#5424594 - LS28 - Rennline Wheel Spacer Kit - Includes one pair of wheel spacers with extended lug bolts - Rennline - Audi Porsche

Includes one pair of wheel spacers with extended lug bolts affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Rennline - Corporate Logo
ES#:
5424594
Mfg#:
LS28
Ships in 3 Business Days
Starting at $205.00 USD
Customize
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Wheel Spacer Kit - 5mm (1 Pair)

ES#3570107 - MS100152 - Wheel Spacer Kit - 5mm (1 Pair) - 5mm spacers to perfectly dial in your stance or clear your big brake kit! - APR - Audi Volkswagen

5mm 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#:
3570107
Mfg#:
MS100152
Ships in 5 Business Days
12% off MSRP

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

$92.99

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

$81.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

More About Performance Parts & Upgrades

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