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Audi S4 Performance Engine Parts

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Performance Polyurethane Snub Mount

ES#3178073 - 034-509-2011 - Performance Polyurethane Snub Mount - Reduce unwanted engine movement with a full polyurethane mount - 034Motorsport - Audi

Reduce unwanted engine movement with a full polyurethane mount 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
3178073
Mfg#:
034-509-2011
In Stock
ON SALE! SAVE 14%
$54.00

This product was last offered at the strikethrough price on
08-17-2026

$46.17 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

APR High Flow Intake Filter

ES#4690591 - RF100026 - APR High Flow Intake Filter - Flow-bench optimized to provide maximum performance with your factory intake system! - APR - Audi

Flow-bench optimized to provide maximum performance with your factory intake system! Call In Or Chat For Best Price!

Brand:
APR - Corporate Logo
ES#:
4690591
Mfg#:
RF100026
In Stock
12% off MSRP

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

$66.99

This product was last offered at the strikethrough price on
08-27-2026

$58.99 USD
Free Shipping

Universal Exhaust Wrap - Lava

ES#4028212 - TS-EW-L - Universal Exhaust Wrap - Lava - Increase power by containing exhaust heat - Lava - Torque Solution - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Increase power by containing exhaust heat - Lava

Brand:
Torque Solution - Corporate Logo
ES#:
4028212
Mfg#:
TS-EW-L
In Stock
Starting at $29.99 USD
Customize
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Silicone Air Intake Duct / MAF Hose

ES#2864563 - 034-108-3009 - 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 2X Entries Into Our F80 M3 Sweepstakes
- For vehicles using larger RS4 MAF housing

Brand:
034Motorsport - Corporate Logo
ES#:
2864563
Mfg#:
034-108-3009
Ships in 2 Business Days
ON SALE! SAVE 14%
$119.00

This product was last offered at the strikethrough price on
08-17-2026

$101.75 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

3.0T Supercharger Plate

ES#4907836 - NONCREC-P - 3.0T Supercharger Plate - Dress-up your engine bay with the Jackal Motorsports supercharger plate! - Jackal Motorsports - Audi

Dress-up your engine bay with the Jackal Motorsports supercharger plate!

Brand:
Jackal Motorsports - Corporate Logo
ES#:
4907836
Mfg#:
NONCREC-P
Ships in 1 Business Day
$65.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Charge Pipe Kit

This includes 3 reinforced silicone hoses, and 1 aluminum charge air tube. For vehicles that have the Wagner Competition Intercooler

Brand:
Wagner Tuning - Corporate Logo
ES#:
4017656
Mfg#:
210001120
In Stock at Vendor
$450.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

APR 3.0T Stage 1 ECU Upgrade

ES#4057386 - DPP-30T-MG1 - APR 3.0T Stage 1 ECU Upgrade - Expect massive gains with 431-480 HP with 467-549 FT-LBS of torque on tap, depending on octane, from this simple software upgrade! - APR - Audi

Expect massive gains with 431-480 HP with 467-549 FT-LBS of torque on tap, depending on octane, from this simple software upgrade! Call In Or Chat For Best Price!
This upgrade must be performed at ECS Tuning's facility in Ohio.

Brand:
APR - Corporate Logo
ES#:
4057386
Mfg#:
DPP-30T-MG1
In Stock
$899.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Torque Solution Thermal Turbo Blanket (Black)

ES#5480818 - tqsTS-TB-FT3BK - Torque Solution Thermal Turbo Blanket (Black) - Fits T3, T3/T4, T25, T28, GT25, GT28, GT30, GT32, GT35, GT37 Turbo Back Housings - Torque Solution - Audi BMW Volkswagen MINI Porsche

Fits T3, T3/T4, T25, T28, GT25, GT28, GT30, GT32, GT35, GT37 Turbo Back Housings

Brand:
Torque Solution - Corporate Logo
ES#:
5480818
Mfg#:
TQSTS-TB-FT3BK
In Stock at Vendor
$99.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Build Your Own Power Package - Audi B9 S4 3.0T

ES#4017052 - B9S4PWRPK - Build Your Own Power Package - Audi B9 S4 3.0T - Go from mild to wild! Select the options you want for your build. - Assembled By ECS - Audi

Go from mild to wild! Select the options you want for your build. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
4017052
Mfg#:
B9S4PWRPK
Ships on Jan 29, 2027
ON SALE!
Starting at $0.00 USD
Customize
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Supercharger Pulley Upgrade Kit

ES#3082216 - CTS-HW-0133 - Supercharger Pulley Upgrade Kit - Software & installation kit not included in this upgrade kit - CTS - Audi Porsche

Software & installation kit not included in this upgrade kit *For models with press-on style supercharger pulleys - 3.0 TFSI Performance Software is sold separately a

Brand:
CTS - Corporate Logo
ES#:
3082216
Mfg#:
CTS-HW-0133
Ships on Nov 2, 2026
Auto Notify
ON SALE! SAVE 20%
$159.99

This product was last offered at the strikethrough price on
08-26-2026

$127.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

X34 Carbon Fiber Air Scoop - Large Intercooler Size

ES#4845335 - 034-108-Z134 - X34 Carbon Fiber Air Scoop - Large 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! 2X Entries Into Our F80 M3 Sweepstakes
Will not fit vehicles with the active grille shutter system, such as B9.5 A4 and allroad.

Brand:
034Motorsport - Corporate Logo
ES#:
4845335
Mfg#:
034-108-Z134
In Stock
ON SALE! SAVE 14%
$174.00

This product was last offered at the strikethrough price on
08-17-2026

$148.77 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Adjustable Fuel Pressure Regulator

ES#4158836 - 034-106-5015 - Adjustable Fuel Pressure Regulator - Works as a replacement for most Bosch fuel pressure regulators. Adjustable from 3.3-5 BAR - 034Motorsport - Audi Volkswagen

Works as a replacement for most Bosch fuel pressure regulators. Adjustable from 3.3-5 BAR 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
4158836
Mfg#:
034-106-5015
Ships in 2 Business Days
ON SALE! SAVE 14%
$129.00

This product was last offered at the strikethrough price on
08-17-2026

$110.30 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

AWE ColdFront Coolant Pump - B8.5 3.0T

ES#4044053 - 4710-11026 - AWE ColdFront Coolant Pump - B8.5 3.0T - Replaces the stock heat exchanger pump and out-performs it with a 100% gain in flow-rate over the factory pump. - AWE - Audi

Replaces the stock heat exchanger pump and out-performs it with a 100% gain in flow-rate over the factory pump. 2X Entries Into Our F80 M3 Sweepstakes

For vehicles from the 2013 model year only (Facelift). Requires the AWE ColdFront™ Reservoir for proper fitment.

Brand:
AWE - Corporate Logo
ES#:
4044053
Mfg#:
4710-11026
Ships on Sep 17, 2026
$865.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Unitronic Performance Software - Stage 1 - With UniCONNECT+ Cable

ES#4376316 - 30T-EA839-1-UC - Unitronic Performance Software - Stage 1 - With UniCONNECT+ Cable - Gain up to 69 horsepower and 97 lb-ft of torque on 91 Octane - Unitronic - Audi

Gain up to 69 horsepower and 97 lb-ft of torque on 91 Octane

Brand:
Unitronic - Corporate Logo
ES#:
4376316
Mfg#:
30T-EA839-1-UC
In Stock
ON SALE! SAVE 15%
$1014.99

This product was last offered at the strikethrough price on
08-23-2026

$864.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

6mm Intake Valve Stem Seal - Polyacrylic - Priced Each

ES#3129395 - VS-VBM6I - 6mm Intake Valve Stem Seal - Polyacrylic - Priced Each - The perfect seal for repairing, replacing, or upgrading your valves and stem seals! - Supertech - Audi BMW Volkswagen

The perfect seal for repairing, replacing, or upgrading your valves and stem seals!

Brand:
Supertech - Corporate Logo
ES#:
3129395
Mfg#:
VS-VBM6I
In Stock
$1.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

VPS Intercooler To Throttle Charge Pipe - With BOV

ES#4505751 - b9cpbov2017KT - VPS Intercooler To Throttle Charge Pipe - With BOV - Upgraded charge pipe kit for use with blow off valve included. - Verstarkt Performance Systems - Audi

Upgraded charge pipe kit for use with blow off valve included.

Brand:
Verstarkt Performance Systems - Corporate Logo
ES#:
4505751
Mfg#:
B9CPBOV2017KT
Ships on Nov 24, 2026
ON SALE! SAVE 48%
$324.99

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

$170.00 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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