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Audi S4 Performance Parts & Upgrades

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ES#4487742 - TISTUD20145BLK - M14 Titanium Wheel Stud Kit - Black - 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#:
4487742
Mfg#:
TISTUD20145BLK
Ships in 10 Business Days
$335.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2092631 - HB641F.696 - Front HPS Performance Brake Pad Set - One of the best-selling all around brake pads - Hawk - Audi
ECS Tuning recommends this product.

One of the best-selling all around brake pads affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Hawk - Corporate Logo
ES#:
2092631
Mfg#:
HB641F.696
In Stock at Vendor
$200.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3493800 - 023944ecs01KT - Rear 2-Piece Brake Rotors - Pair (330x22) - Direct bolt-on replacement - 15% less weight! - ECS - Audi

Direct bolt-on replacement - 15% less weight! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3493800
Mfg#:
023944ECS01KT
In Stock
ON SALE!
$688.99

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

$668.32 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#5388979 - IESOVJ33 - Apex IE Performance ECU Tune - With POWERlink Cable - Average gain of 131 horsepower and 136 lb-ft of torque on 91 Octane with dual pulley upgrade - Integrated Engineering - Audi

Average gain of 131 horsepower and 136 lb-ft of torque on 91 Octane with dual pulley upgrade affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!
Perform tune in minutes from the comfort of your own driveway! Only available for purchase in the United States and Canada.
For vehicles with manual transmission only

Brand:
Integrated Engineering - Corporate Logo
ES#:
5388979
Mfg#:
IESOVJ33
In Stock
$999.99 USD
Free Shipping
on orders $49 and up
ES#4429972 - 034-301-2007 - Rear 2-Piece Floating Brake Rotors - Pair (330x22) - Lightweight rotors weighing 12lbs each! - 034Motorsport - Audi Porsche

Lightweight rotors weighing 12lbs each! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
4429972
Mfg#:
034-301-2007
Ships in 2 Business Days
$994.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3236103 - 034-407-1001 - Density Line Adjustable Rear Toe Links - Allows for precision alignment and the ability to reduce tire wear on lowered vehicles! - 034Motorsport - Audi

Allows for precision alignment and the ability to reduce tire wear on lowered vehicles! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
3236103
Mfg#:
034-407-1001
Ships in 6 Business Days
$330.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2538522 - 2055668 - DR Series Wheel Spacers - 10mm (1 Pair) - Get that stance that you've been craving with these new spacers - H&R - Audi MINI Porsche

Get that stance that you've been craving with these new 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!
Maximum factory hub height of up to 13.5mm. Inside wheel bevel = 5.0 x 45 degrees

Brand:
H&R - Corporate Logo
ES#:
2538522
Mfg#:
2055668
Ships in 3 Business Days
$109.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4493297 - iesovz13TCU - Stage 3 IE Performance ECU Tune - Includes Stage 3 TCU Tune & POWERlink Cable - Easy upgrade into hybrid turbo power levels delivering up to 601HP and 615TQ. - Integrated Engineering - Audi

Easy upgrade into hybrid turbo power levels delivering up to 601HP and 615TQ. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!
Perform tune in minutes from the comfort of your own driveway! Only available for purchase in the United States and Canada.

Brand:
Integrated Engineering - Corporate Logo
ES#:
4493297
Mfg#:
IESOVZ13TCU
In Stock
$1977.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4660245 - 042002LA01KT2 - B6 S4 Muffler Delete Kit - With 4.0" Chrome Tips - Add an aggressive exhaust note to your B6 S4 so you can hear that V8 roar! - ECS - Audi

Add an aggressive exhaust note to your B6 S4 so you can hear that V8 roar! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4660245
Mfg#:
042002LA01KT2
Ships in 5 Business Days
ON SALE! SAVE 15%
$463.99

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

$394.36 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3980510 - FMDV13R - Forge Motorsport Recirculating Valve - Black  - Engineered to remedy the failure issues experienced with the OEM solenoid valves when the diaphragm or plastic piston fails - Forge - Audi

Engineered to remedy the failure issues experienced with the OEM solenoid valves when the diaphragm or plastic piston fails affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Forge - Corporate Logo
ES#:
3980510
Mfg#:
FMDV13R
In Stock
$280.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3218658 - EMD-B9Q-LS - EMD Auto Lowering Spring Kit - Approximately 1.6" Front & Rear drop - Emmanuele Design - Audi

Approximately 1.6" Front & Rear drop affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Emmanuele Design - Corporate Logo
ES#:
3218658
Mfg#:
EMD-B9Q-LS
Ships in 1 Business Day
3% off MSRP

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

$290.00

This product was last offered at the strikethrough price on
06-18-2026

$280.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2731320 - 1055665SW - DR Series Wheel Spacers (Black) - 5mm (1 Pair) Black - Get that stance that you've been craving with these new spacers - H&R - Audi Mercedes Benz MINI Porsche

Get that stance that you've been craving with these new 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#:
2731320
Mfg#:
1055665SW
Ships in 3 Business Days
$102.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3191298 - 022696ECS01 - Carbon Fiber Antenna Cover - Add a unique, lightweight look to your ride - ECS - Audi

Add a unique, lightweight look to your ride affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Fits up to the 2012 model year

Brand:
ECS - Corporate Logo
ES#:
3191298
Mfg#:
022696ECS01
In Stock
ON SALE! SAVE 20%
$93.99

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

$75.19 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3106520 - k70398fssoKT - Stage 3 Daily Clutch Kit - Designed for high-powered street cars while capable enough to handle the track. Conservatively rated at 525ft/lbs. - South Bend Clutch - Audi

Designed for high-powered street cars while capable enough to handle the track. Conservatively rated at 525ft/lbs. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Includes single mass flywheel

Brand:
South Bend Clutch - Corporate Logo
ES#:
3106520
Mfg#:
K70398FSSOKT
Ships on Jul 8, 2026
$1953.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3107695 - 762503kt - CatBack Exhaust System - Resonated - Stainless steel system with X-pipe - Supersprint - Audi

Stainless steel system with X-pipe affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Supersprint - Corporate Logo
ES#:
3107695
Mfg#:
762503KT
Ships on Sep 22, 2026
$1940.99 USD
Free Shipping
ES#4147681 - 034-604-7002 - 034Motorsport Wheel Spacer Pair - 15mm - Designed to fit most Audi & Volkswagen vehicles with a 57.1mm center bore and 5x112mm wheel bolt patterns. - 034Motorsport - Audi Volkswagen

Designed to fit most Audi & Volkswagen vehicles with a 57.1mm center bore and 5x112mm wheel bolt patterns. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
4147681
Mfg#:
034-604-7002
In Stock
$114.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

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