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Audi S4 Performance Parts & Upgrades

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Performance Engine Air Filter

ES#3195184 - FB102/01 - Performance Engine Air Filter - High-Flow cotton gauze filter designed to be a performer, while lasting a lifetime - BMC - Audi BMW

High-Flow cotton gauze filter designed to be a performer, while lasting a lifetime affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
BMC - Corporate Logo
ES#:
3195184
Mfg#:
FB102/01
In Stock at Vendor
$80.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Supercharger Pulley Upgrade Kit - Without Belt

ES#3523389 - CTS-HW-0133BELT - Supercharger Pulley Upgrade Kit - Without Belt - Software & installation kit not included in this upgrade kit - CTS - Audi Porsche

Software & installation kit not included in this upgrade kit affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
*To be used with CTS 3.0T Crank Pulley Upgrade Kit - 3.0 TFSI Performance Software is sold separately and

Brand:
CTS - Corporate Logo
ES#:
3523389
Mfg#:
CTS-HW-0133BELT
Special Order: No Guaranteed ETA
$159.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

CTS Turbo Gen 2 3.0T Supercharger Pulley

ES#3659997 - CTS-HW-333 - CTS Turbo Gen 2 3.0T Supercharger Pulley - Decreases the diameter of the factory pulley, increasing the boost pressure output - Software not included in this upgrade - CTS - Audi

Decreases the diameter of the factory pulley, increasing the boost pressure output - Software not included in this upgrade affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
*Fits very late model years equipped with 4-bolt style supercharger pulleys - 3.0 TFSI Stage 2 Software i

Brand:
CTS - Corporate Logo
ES#:
3659997
Mfg#:
CTS-HW-333
Special Order: No Guaranteed ETA
$159.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Silicone Supercharger Inlet Hose

ES#3149389 - 034-112-6005 - Silicone Supercharger Inlet Hose - Smooth insides for higher flow and life long durability - 034Motorsport - Audi

Smooth insides for higher flow and life long durability affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
3149389
Mfg#:
034-112-6005
Ships in 2 Business Days
$158.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Rear Performance Ceramic Brake Pad Set

ES#2092635 - HB642Z.658 - Rear Performance Ceramic Brake Pad Set - Ceramic composite developed to meet the low dust & noise requirements - Hawk - Audi

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

Brand:
Hawk - Corporate Logo
ES#:
2092635
Mfg#:
HB642Z.658
Ships on Jul 9, 2026
$156.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Street Shield Skid Plate Hardware Kit

ES#3493184 - 003252ECS02KT2 - Street Shield Skid Plate Hardware Kit - Replacement hardware kit for your ECS Street Shield Skid Plate - ECS - Audi

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

Brand:
ECS - Corporate Logo
ES#:
3493184
Mfg#:
003252ECS02KT2
In Stock
ON SALE! SAVE 20%
$193.90

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

$155.12 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Driveshaft Support Center Bearing

ES#2864595 - 034-506-0004 - Driveshaft Support Center Bearing - Finally a solution to replacing the entire driveshaft - 034Motorsport - Audi

Finally a solution to replacing the entire driveshaft affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
2864595
Mfg#:
034-506-0004
Ships in 2 Business Days
$76.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Performance Snub Mount - Black Series

ES#4871802 - PFF3-220BLK - Performance Snub Mount - Black Series - Put your power to the ground! - Powerflex Black Series - Audi Volkswagen

Put your power to the ground! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Powerflex Black Series - Corporate Logo
ES#:
4871802
Mfg#:
PFF3-220BLK
Ships in 1 Business Day
$37.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Software Update

Upgrade existing stage 1 and stage 2 software to V2 & V3 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!
This upgrade must be performed at ECS Tuning's facility in Ohio.
For existing Stage 1 or Stage 2 customers with an ECU upgrade installed before 5/14/2015. Vehicle must be brought to ECS Tuning for programming.

Brand:
APR - Corporate Logo
ES#:
2918505
Mfg#:
30TFSIUPDATEKT
In Stock
$150.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Column Mounted Boost Gauge & Pod Kit

ES#3047926 - 216EVOWGBO.PSIkt - Column Mounted Boost Gauge & Pod Kit - Complete kit to install a steering wheel column pod boost gauge featuring Prosport EVO digital Green boost gauge - Assembled By ECS - Audi

Complete kit to install a steering wheel column pod boost gauge featuring Prosport EVO digital Green boost gauge 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#:
3047926
Mfg#:
216EVOWGBO.PSIKT
In Stock
$149.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

BFI Wheel Spacers - 12mm (Pair)

ES#3575935 - SP212GB - BFI Wheel Spacers - 12mm (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#:
3575935
Mfg#:
SP212GB
Back Ordered
Auto Notify
$74.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

RS+ Big Brake Package Caliper Dust Boots Replacement Set

ES#4905838 - 034-3ZZ-0009 - RS+ Big Brake Package Caliper Dust Boots Replacement Set - Replacement Dust Seals for the 034-301-0003 RS+ Big Brake Kit - Set of 16 - 034Motorsport - Audi

Replacement Dust Seals for the 034-301-0003 RS+ Big Brake Kit - Set of 16 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
4905838
Mfg#:
034-3ZZ-0009
Ships in 2 Business Days
$73.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Front Brake Pad Set

Quality brake pads from an original equipment supplier affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Akebono - Corporate Logo
ES#:
4723557
Mfg#:
4M0698151AP
In Stock at Vendor
$150.99

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

$145.99 USD
Free Shipping
on orders $49 and up

ECS Wheel Spacer & Bolt Kit - 17.5mm With Conical Seat Bolts

ES#2568233 - ECS10158KTWBC - ECS Wheel Spacer & Bolt Kit - 17.5mm 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!
Fits most aftermarket wheels that require conical seat wheel bolts

Brand:
ECS - Corporate Logo
ES#:
2568233
Mfg#:
ECS10158KTWBC
In Stock
ON SALE! SAVE 25%
$192.99

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

$144.74 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Wheel Spacer & Bolt Kit - 17.5mm With Conical Seat Bolts

ES#2568316 - 6-ECS-023 - Wheel Spacer & Bolt Kit - 17.5mm With Conical Seat Bolts - Complete kit for two wheels, comes with everything you need to install spacers on your aftermarket wheels - ECS - Audi

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#:
2568316
Mfg#:
6-ECS-023
In Stock
ON SALE! SAVE 25%
$192.99

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

$144.74 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Sway Bar Teflon Bushing Rebuild & Upgrade Kit - 28.6mm Pair

ES#4905880 - 034-402-Z064 - Sway Bar Teflon Bushing Rebuild & Upgrade Kit - 28.6mm Pair - Replacement Bushing Set for 034-402-1012, 034-402-1029 & 034-402-1035 - 034Motorsport - Audi

Replacement Bushing Set for 034-402-1012, 034-402-1029 & 034-402-1035 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
4905880
Mfg#:
034-402-Z064
In Stock
$48.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

More About Performance Parts & Upgrades

All the performance upgrade options from the best brands in the business to help build your dreams. Our performance parts catalog is the largest anywhere and constantly growing to keep your build on track.

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