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Audi S4 Performance Parts & Upgrades

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ES#2807068 - 010421ECS01KT - Wheel Spacer Flush Fit Kit - Polished Bolts  - Includes spacers & Polished bolts to obtain a flush look on your OE 18" wheels - Assembled By ECS - Audi

Includes spacers & Polished 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#:
2807068
Mfg#:
010421ECS01KT
In Stock
ON SALE!
$204.99

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

$203.69 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3569427 - 023419ECS01-02 - B7 A4/S4 Race Tow Strap - Black - Look great on the track or street! - ECS - Audi

Look great on the track or street! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3569427
Mfg#:
023419ECS01-02
In Stock
ON SALE! SAVE 49%
$98.99

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

$50.35 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2840418 - P7560BLACK - Rennline 3-Piece Pedal Set - Manual Transmission - Black - Black anodized aircraft aluminum gas, brake, and clutch pedal set with rubber grips and stainless steel hardware - Rennline - Audi

Black anodized aircraft aluminum gas, brake, and clutch pedal set with rubber grips and stainless steel hardware affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Rennline - Corporate Logo
ES#:
2840418
Mfg#:
P7560BLACK
Ships in 5 Business Days
$200.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2840419 - P7560SILVER - Rennline 3-Piece Pedal Set - Manual Transmission - Silver - Silver anodized aircraft aluminum gas, brake, and clutch pedal set with rubber grips and stainless steel hardware - Rennline - Audi

Silver anodized aircraft aluminum gas, brake, and clutch pedal set with rubber grips and stainless steel hardware affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Rennline - Corporate Logo
ES#:
2840419
Mfg#:
P7560SILVER
Ships in 5 Business Days
$200.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4821282 - UH016BTA - Unitronic Supercharger Pulley Kit For 3.0TFSI - Unitronic's Supercharger Pulley Upgrade effectively raises boost levels by increasing the speed in which the supercharger spins. - Unitronic - Audi

Unitronic's Supercharger Pulley Upgrade effectively raises boost levels by increasing the speed in which the supercharger spins. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Unitronic - Corporate Logo
ES#:
4821282
Mfg#:
UH016BTA
Ships in 5 Business Days
$199.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#251138 - 0655665 - DR Series Wheel Spacers - 3mm (1 Pair) - Add those new wheels to your vehicle with these new wheel spacers - H&R - Audi Mercedes Benz MINI Porsche

Add those new wheels to your vehicle with these new wheel spacers 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#:
251138
Mfg#:
0655665
Ships in 3 Business Days
$99.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4304750 - B8014A0 - Short Shift Clamp - A performance, manual short shifter that gives you the quick and easy shifts you are looking for, without breaking the bank! - JXB Performance  - Audi

A performance, manual short shifter that gives you the quick and easy shifts you are looking for, without breaking the bank! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For manual transmissions only.

Brand:
JXB Performance  - Corporate Logo
ES#:
4304750
Mfg#:
B8014A0
Ships in 4 Business Days
$99.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2951799 - 010421ECS01KT1 - 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#:
2951799
Mfg#:
010421ECS01KT1
In Stock
ON SALE!
$204.99

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

$199.49 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2719054 - 00240301A08KT -  ECS Wheel Spacer & Bolt Kit - 8mm With Conical Seat Bolts - Includes everything you need to install spacers on two wheels - ECS - Audi

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#:
2719054
Mfg#:
00240301A08KT
In Stock
ON SALE! SAVE 25%
$132.99

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

$99.74 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2063652 - APRTHEFT-SRV - Anti-Theft Service - *Sale applies only to ECU with 3 or 4 program purchase. - APR - Audi Volkswagen

*Sale applies only to ECU with 3 or 4 program purchase. 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.

Brand:
APR - Corporate Logo
ES#:
2063652
Mfg#:
APRTHEFT-SRV
In Stock
$199.00 USD
This product is lifetime replacement eligible Lifetime Replacement
ES#4701664 - SBK-012 - Aluminum Front Subframe Bushings - Set of Four - Offers more precise feel and quicker reactions to steering input while eliminating unwanted suspension movement - Verkline - Audi

Offers more precise feel and quicker reactions to steering input while eliminating unwanted suspension movement affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Verkline - Corporate Logo
ES#:
4701664
Mfg#:
SBK-012
Ships in 10 Business Days
$199.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2650163 - PFF3-201x2 - Front Lower Control Arm Bushing Set - Outer - Street - Improves handling and control - Upgrade to a more engaging driving experience - Powerflex - Audi Volkswagen

Improves handling and control - Upgrade to a more engaging driving experience affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For the straight control arm

Brand:
Powerflex - Corporate Logo
ES#:
2650163
Mfg#:
PFF3-201X2
Ships in 1 Business Day
$97.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3493077 - 022566ecs01KT - Carbon Fiber Center Console Overlay - Add a touch of carbon fiber to your interior center console - ECS - Audi

Add a touch of carbon fiber to your interior center console affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

For vehicles up through the 2019 model year only

Brand:
ECS - Corporate Logo
ES#:
3493077
Mfg#:
022566ECS01KT
Ships on Nov 19, 2026
ON SALE! SAVE 10%
$216.99

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

$195.29 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3022097 - SP105100112G - BFI Wheel Spacers - 10mm (Pair) - Exclusively built for your 57.1mm centerbore VW/Audi - Black Forest Industries - Audi Volkswagen

Exclusively built for your 57.1mm centerbore VW/Audi affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Black Forest Industries - Corporate Logo
ES#:
3022097
Mfg#:
SP105100112G
Back Ordered
$64.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4159458 - 034-108-Z068 - X34 Carbon Fiber Air Scoop - Standard 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#:
4159458
Mfg#:
034-108-Z068
Ships in 2 Business Days
$190.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

More About Performance Parts & Upgrades

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