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Audi S4 Performance Engine Parts

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Performance Aluminum Charge Pipe Kit

ES#4685216 - IETPCK6 - Performance Aluminum Charge Pipe Kit - Eliminate factory bottlenecks and weak plastic materials for increased flow and strength. - Integrated Engineering - Audi

Eliminate factory bottlenecks and weak plastic materials for increased flow and strength.

Brand:
Integrated Engineering - Corporate Logo
ES#:
4685216
Mfg#:
IETPCK6
In Stock
$447.99 USD
Free Shipping

Audi B9 (S4/S5/SQ5) – Pure750 Upgraded Turbocharger

ES#4642701 - PURE-30T750KT - Audi B9 (S4/S5/SQ5) Pure750 Upgraded Turbocharger - Crank up your B9 over 700+awhp with this kit! Price includes a $800.00 refundable core charge. - Pure Turbos - Audi

Crank up your B9 over 700+awhp with this kit! Price includes a $800.00 refundable core charge.

Brand:
Pure Turbos - Corporate Logo
ES#:
4642701
Mfg#:
PURE-30T750KT
Ships on Nov 12, 2026
$3426.99

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

$3300.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

IE 3.0T High Pressure Fuel Pump (HPFP) Upgrade

ES#4040277 - IEFUVJ1 - IE 3.0T High Pressure Fuel Pump (HPFP) Upgrade - The IE HPFP Upgrade is the missing link to provide enough fuel for dual pulley setups attempting big power on higher octane fuels. - Integrated Engineering - Audi

The IE HPFP Upgrade is the missing link to provide enough fuel for dual pulley setups attempting big power on higher octane fuels.

Brand:
Integrated Engineering - Corporate Logo
ES#:
4040277
Mfg#:
IEFUVJ1
In Stock
$1049.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

B9 S4/S5 Downpipe & Resonator Delete Kit

ES#4715650 - 016752la02KT - B9 S4/S5 Downpipe & Resonator Delete Kit - No cutting required, easy-to-install downpipes with resonator deletes for your factory cat back exhaust. - ECS - Audi

No cutting required, easy-to-install downpipes with resonator deletes for your factory cat back exhaust. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
4715650
Mfg#:
016752LA02KT
In Stock
ON SALE!
$479.99

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

$455.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Luft-Technik B9 S4 Front Mount Intercooler

ES#3537699 - 019219ecs01aKT - Luft-Technik B9 S4 Front Mount Intercooler - Reduce restrictions and increase cooling! - ECS - Audi

Reduce restrictions and increase cooling! 10X Entries Into Our F80 M3 Sweepstakes

For Pre-Facelift Models Only up to 11/08/2021

Brand:
ECS - Corporate Logo
ES#:
3537699
Mfg#:
019219ECS01AKT
In Stock
ON SALE! SAVE 15%
$742.99

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

$631.54 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

IE Race Series FDS Intercooler System - B9/B9.5 S4/S5

ES#4698448 - IETPCK5 - IE Race Series FDS Intercooler System - B9/B9.5 S4/S5 - Increase horsepower and eliminate heatsoak - 280% larger than stock core! - Integrated Engineering - Audi

Increase horsepower and eliminate heatsoak - 280% larger than stock core! Requires IE Aluminum Charge Pipe Kit for installation (ES4685216)

Brand:
Integrated Engineering - Corporate Logo
ES#:
4698448
Mfg#:
IETPCK5
In Stock
$1414.99 USD
Free Shipping

EA839 High Pressure Fuel Pump Piston Upgrade Kit

ES#4623625 - 034-106-6054 - EA839 High Pressure Fuel Pump Piston Upgrade Kit - Unlock up to 37% more flow over the factory high pressure fuel pump! - 034Motorsport - Audi Porsche

Unlock up to 37% more flow over the factory high pressure fuel pump! 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
4623625
Mfg#:
034-106-6054
Back Ordered
$396.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Heat Exchanger Kit - Bolt-On - Performance Multi-Pass - Black

ES#4442371 - PMPHX30T40TBLACK - Heat Exchanger Kit - Bolt-On - Performance Multi-Pass - Black - Installation of this kit is now easier than ever, without the need of removing the crash bar to drill holes for bracket mounting. - JH Motorsports - Audi

Installation of this kit is now easier than ever, without the need of removing the crash bar to drill holes for bracket mounting.

Brand:
JH Motorsports - Corporate Logo
ES#:
4442371
Mfg#:
PMPHX30T40TBLACK
In Stock
$699.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

RS4 K04 Turbocharger - Left

ES#4140512 - 53049880025 - RS4 K04 Turbocharger - Left - Does not include hardware - BorgWarner - Audi

Does not include hardware Does NOT include hardware or the RS4/modified intake pipes necessary for a complete install - For a bolt-on solution, please see 034Motorsport's inlet pipe kit 034-145-P002 (ES2864575).

Brand:
BorgWarner - Corporate Logo
ES#:
4140512
Mfg#:
53049880025
In Stock
$1529.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

B9 S4 3.0T Center X-Pipe

ES#3521607 - 024365ecs01KT - B9 S4 3.0T Center X-Pipe - Sound great and save weight! Eliminate the center resonator on your OE system for a more aggressive exhaust note - ECS - Audi

Sound great and save weight! Eliminate the center resonator on your OE system for a more aggressive exhaust note 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
3521607
Mfg#:
024365ECS01KT
In Stock
ON SALE! SAVE 25%
$438.99

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

$329.24 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

340lph High Flow In-Tank Fuel Pump (e85 Compatible)

ES#3691421 - 50-1200 - 340lph High Flow In-Tank Fuel Pump (e85 Compatible) - AEM?s 340LPH E85-Compatible High Flow In-Tank Fuel Pumps feature robust internal construction that is designed to withstand the low lubricity characteristics of ethanol and methanol fuels - AEM Electronics - Audi Volkswagen

AEM?s 340LPH E85-Compatible High Flow In-Tank Fuel Pumps feature robust internal construction that is designed to withstand the low lubricity characteristics of ethanol and methanol fuels This is a general-use high flow fuel pump, not a direct plug-and-play swap in most application

Brand:
AEM Electronics - Corporate Logo
ES#:
3691421
Mfg#:
50-1200
In Stock
11% off MSRP

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

$175.95

This product was last offered at the strikethrough price on
10-24-2026

$155.95 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

RS4 K04 Turbocharger - Right

ES#4140513 - 53049880026 - RS4 K04 Turbocharger - Right - Does not include hardware - BorgWarner - Audi

Does not include hardware Does NOT include hardware or the RS4/modified intake pipes necessary for a complete install - For a bolt-on solution, please see 034Motorsport's inlet pipe kit 034-145-P002 (ES2864575).

Brand:
BorgWarner - Corporate Logo
ES#:
4140513
Mfg#:
53049880026
In Stock
$1541.99

This product was last offered at the strikethrough price on
07-01-2026

$1537.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

APR Intake System - 3.0T S4/S5

ES#4876483 - CI100072 - APR Intake System - 3.0T S4/S5 - Add a sporty, refined tone without being overbearing - APR - Audi

Add a sporty, refined tone without being overbearing Call In Or Chat For Best Price!

Brand:
APR - Corporate Logo
ES#:
4876483
Mfg#:
CI100072
In Stock
ON SALE! SAVE 10%
$579.99

This product was last offered at the strikethrough price on
09-28-2026

$521.96 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

B6/B7 S4 Luft-Technik Performance Intake System

ES#4845350 - 012267LA01 - B6/B7 S4 Luft-Technik Performance Intake System - Engineered for maximum power and induction sound! Featuring a sealed aluminum heatshield, silicone inlet hose, and a high-flow conical air filter. - ECS - Audi

Engineered for maximum power and induction sound! Featuring a sealed aluminum heatshield, silicone inlet hose, and a high-flow conical air filter. 10X Entries Into Our F80 M3 Sweepstakes
10X Entries For Our Spin To Win Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4845350
Mfg#:
012267LA01
In Stock
$480.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

KOMPACT EM BOV VR18 Dual Port

ES#4745463 - TS-0223-1079 - KOMPACT EM BOV VR18 Dual Port - Seamlessly install a Kompact EM Valve without the need for adaptors, hoses, or additional assembly. - TurboSmart - Audi Volkswagen

Seamlessly install a Kompact EM Valve without the need for adaptors, hoses, or additional assembly.

Brand:
TurboSmart - Corporate Logo
ES#:
4745463
Mfg#:
TS-0223-1079
Ships on Nov 10, 2026
10% off MSRP

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

$350.99

This product was last offered at the strikethrough price on
10-24-2026

$315.99 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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