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Audi S4 Performance Engine Parts

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ES#3569780 - 314326 - JE Forged Piston Set - 82.5mm bore (oversized), 9.0:1 compression ratio, 86.4mm stroke - includes rings, wrist-pins, & circlips - JE Piston - Audi

82.5mm bore (oversized), 9.0:1 compression ratio, 86.4mm stroke - includes rings, wrist-pins, & circlips affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
+1.5mm bore size: Overbore pistons require additional machine work including a cylinder bore and hone, this work must be performed by a machine shop

Brand:
JE Piston - Corporate Logo
ES#:
3569780
Mfg#:
314326
Back Ordered
$1349.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2918330 - 314325 - Piston Assembly - Set Of Six - 82mm bore (oversized), 9.0:1 compression ratio, 86.4mm stroke - includes rings, wrist-pins, & circlips - JE Piston - Audi

82mm bore (oversized), 9.0:1 compression ratio, 86.4mm stroke - includes rings, wrist-pins, & circlips affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
+1mm bore size: Overbore pistons require additional machine work including a cylinder bore and hone, this work must be performed by a machine shop

Brand:
JE Piston - Corporate Logo
ES#:
2918330
Mfg#:
314325
Back Ordered
$1349.99 USD
Free Shipping
ES#3957096 - 53032801AC - Hemi Throttle Body - 80mm - Direct plug and play - Mopar - Audi Volkswagen

Direct plug and play affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Requires Hemi adapter

Brand:
Mopar - Corporate Logo
ES#:
3957096
Mfg#:
53032801AC
Ships in 4 Business Days
$449.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4007248 - TS-0204-1132 - Turbosmart Gen-V Race Port BOV - Black  - 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#:
4007248
Mfg#:
TS-0204-1132
In Stock at Vendor
$335.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3220796 - 017429ECS01 -  Luft-Technik Intake Air Scoop - Audi B8 A4/A5/S4/S5 - Extends farther down behind the grille to direct more air to the intake system - ECS - Audi

Extends farther down behind the grille to direct more air to the intake system affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3220796
Mfg#:
017429ECS01
In Stock
ON SALE! SAVE 23%
$216.99

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

$166.94 USD
Free Shipping
ES#4907820 - B6-3 - Jackal Motorsports Tune - Includes Jackal Tuning Cable & TCU Tune - Gains from 20-30 WHP on Stage 1 up to 60-70 WHP on Stage 3+ E85 - Jackal Motorsports - Audi

Gains from 20-30 WHP on Stage 1 up to 60-70 WHP on Stage 3+ E85 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with automatic transmission only

Brand:
Jackal Motorsports - Corporate Logo
ES#:
4907820
Mfg#:
B6-3
Ships in 1 Business Day
$655.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3107254 - 14902 - Performance Cat-Back Exhaust System - 3" stainless steel with dual 4.63" polished stainless tips - Borla - Audi

3" stainless steel with dual 4.63" polished stainless tips affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Borla - Corporate Logo
ES#:
3107254
Mfg#:
14902
In Stock at Vendor
$1289.99 USD
This product is lifetime replacement eligible Lifetime Replacement
ES#3639608 - 034-102-1000 - 034Motorsport Supercharger Heat Exchanger Upgrade Kit - Significantly reduces intake air temperatures - Core size increased From 148 sq. in. to 341 sq. in, and frontal area increased by 130% over stock cooler! - 034Motorsport - Audi

Significantly reduces intake air temperatures - Core size increased From 148 sq. in. to 341 sq. in, and frontal area increased by 130% over stock cooler! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
*Please Note: Vehicles equipped with a factory dynamic steering cooler must relocate - Please see description for more info*

Brand:
034Motorsport - Corporate Logo
ES#:
3639608
Mfg#:
034-102-1000
Ships in 2 Business Days
$1288.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2864564 - 034-108-3010 - Silicone Air Intake Duct / MAF Hose - Larger inside diameter and smoother surface for better flow, and stiffer construction to prevent collapsing - 034Motorsport - Audi

Larger inside diameter and smoother surface for better flow, and stiffer construction to prevent collapsing affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
- For vehicles using standard MAF housing

Brand:
034Motorsport - Corporate Logo
ES#:
2864564
Mfg#:
034-108-3010
In Stock
$115.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#5705 - 000198501BLK - Adjustable Fuel Pressure Regulator & Gauge Kit - Works as a replacement for most Bosch fuel pressure regulators. Adjustable from 25psi - 75psi - ECS - Audi Volkswagen

Works as a replacement for most Bosch fuel pressure regulators. Adjustable from 25psi - 75psi affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Only fits 2.7T's with rubber fuel lines. Some 2.7T's came with aluminum braided fuel lines & this kit will NOT fit those specific application.

Brand:
ECS - Corporate Logo
ES#:
5705
Mfg#:
000198501BLK
In Stock
ON SALE!
$265.99

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

$252.69 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2189784 - PMPWINLINE - High Flow Fuel Pump - 255 LPH - Great for when more fuel is needed in a custom fueling application - Walbro - Audi BMW Volkswagen

Great for when more fuel is needed in a custom fueling application affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Walbro - Corporate Logo
ES#:
2189784
Mfg#:
PMPWINLINE
In Stock at Vendor
$139.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4734089 - CR-VW144-21 - Supertech Forged Connecting Rod - Priced Each - 144x21 Forged Rod with ARP 2000 hardware. - Supertech - Audi Volkswagen

144x21 Forged Rod with ARP 2000 hardware. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Supertech - Corporate Logo
ES#:
4734089
Mfg#:
CR-VW144-21
Ships in 8 Business Days
$208.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4714682 - 2G-ULPMT - 2 Gallon Low Profile Universal Methanol Tank - Integrated pump mount for a super clean install. Available in two colors. - Burger Motorsports - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Integrated pump mount for a super clean install. Available in two colors. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Burger Motorsports - Corporate Logo
ES#:
4714682
Mfg#:
2G-ULPMT
In Stock
Starting at $179.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3706799 - iesocgjtcu - Apex IE Performance ECU Tune - Includes TCU Tune & POWERlink Cable - Average gain of 131 horsepower and 136 lb-ft of torque on 91 Octane - Integrated Engineering - Audi

Average gain of 131 horsepower and 136 lb-ft of torque on 91 Octane 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 DSG transmission only

Brand:
Integrated Engineering - Corporate Logo
ES#:
3706799
Mfg#:
IESOCGJTCU
In Stock
$1248.99 USD
Free Shipping
ES#2597993 - 001577ECS01A -  Performance Snub Mount - Reduce driveline lash with a full polyurethane mount - ECS - Audi Volkswagen

Reduce driveline lash with a full polyurethane mount affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
2597993
Mfg#:
001577ECS01A
In Stock
ON SALE! SAVE 25%
$78.99

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

$59.24 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3698456 - 003779ECS11 - ECS Tuning Universal Catch Can Drain System - Make draining your ECS or Turner Catch Can simple with this comprehensive kit - ECS - Audi Volkswagen MINI

Make draining your ECS or Turner Catch Can simple with this comprehensive kit affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3698456
Mfg#:
003779ECS11
In Stock
ON SALE! SAVE 25%
$71.99

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

$53.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

More About Performance Engine Parts

Our name says it all. That's why ECS Tuning is dedicated to providing our customers with the broadest possible assortment of engine tuning options at a range of prices and options to fit any budget. Start small and grow your car into something special with performance engine upgrades from a company that has tuning in its name and its blood.

Let us help you find the parts that fit your Audi

ECS Tuning is not affiliated with any automobile manufacturers.
Manufacturer names and/or part numbers are used only for identification purposes.

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