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Audi S4 Performance Engine Parts

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ES#4144932 - SN0-310-BRD - Stage 3 Boost Cooler (EFI - Port Injection) - Braided Line - Brings true 2D mapped water-methanol injection delivery to your EFI (Electronic Fuel Injected) and forced induction vehicle - SnowPerformance - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Brings true 2D mapped water-methanol injection delivery to your EFI (Electronic Fuel Injected) and forced induction vehicle affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
SnowPerformance - Corporate Logo
ES#:
4144932
Mfg#:
SN0-310-BRD
In Stock at Vendor
$833.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#5435523 - TR-2251 - BOSS800 Hybrid Turbocharger - Blending OEM drivability with Tier 1 supercar power. - CTS - Audi

Blending OEM drivability with Tier 1 supercar power. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
CTS - Corporate Logo
ES#:
5435523
Mfg#:
TR-2251
Ships in 7 Business Days
$2499.99 USD
Free Shipping
ES#2793997 - CAL4B1606HC5 - IE Calico Coated ACL Race Rod Bearing Set  - Real Deal Calico Coated Rod Bearings - Full set for 5 rods, standard clearance - Integrated Engineering - Audi

Real Deal Calico Coated Rod Bearings - Full set for 5 rods, standard clearance affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Integrated Engineering - Corporate Logo
ES#:
2793997
Mfg#:
CAL4B1606HC5
Ships in 10 Business Days
$146.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4907822 - B85-1 - Jackal Motorsports Tune - Includes Jackal Tuning Cable - Gains from 86 WHP/64 WTQ on Stage 1 up to 185 WHP/193 WTQ on Stage 2+ E40 - Jackal Motorsports - Audi

Gains from 86 WHP/64 WTQ on Stage 1 up to 185 WHP/193 WTQ on Stage 2+ E40 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with manual transmission only

Brand:
Jackal Motorsports - Corporate Logo
ES#:
4907822
Mfg#:
B85-1
Ships in 1 Business Day
$810.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4629483 - 06m133026aktKT - Ultimate Turbocharger Installation Kit - All hardware required for a successful install utilizing genuine components. - Genuine Volkswagen Audi - Audi

All hardware required for a successful install utilizing genuine components. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4629483
Mfg#:
06M133026AKTKT
Ships in 2 Business Days
$243.99

This product was last offered at the strikethrough price on
02-18-2026

$242.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#5374600 - 034-106-3044 - RS+ Injector Upgrade Kit - EA839 3.0T/2.9T - Safely provides a 67% increase in flow over EA839 3.0T and 31% increase over EA839 2.9T/EA825 4.0T RS Injectors! - 034Motorsport - Audi

Safely provides a 67% increase in flow over EA839 3.0T and 31% increase over EA839 2.9T/EA825 4.0T RS Injectors! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Must Run a 034Motorsport Stage 3 File Specifically for These Injectors

Brand:
034Motorsport - Corporate Logo
ES#:
5374600
Mfg#:
034-106-3044
In Stock
$2400.00 USD
Free Shipping
ES#4751087 - 008553ECS03EB2KT - Audi B8/8.5 S4 3.0T Valved Cat Back Exhaust & Kohlefaser Luft-Technik Intake System - Enhance the sound and performance of your S4 with an ECS Tuning cat-back and a Kohlefaser Luft-Technik Intake System - Enthusiast Bundles - Audi

Enhance the sound and performance of your S4 with an ECS Tuning cat-back and a Kohlefaser Luft-Technik Intake System Don't See A Bundle You Want - Give Us A Call Or Chat - We Will Make One! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Enthusiast Bundles - Corporate Logo
ES#:
4751087
Mfg#:
008553ECS03EB2KT
Ships on Jan 12, 2027
ON SALE! SAVE 28%
$3351.75

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

$2399.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#1905571 - SPRK-Audi27t - Performance Valvetrain Kit - Includes springs, retainers, and valve seats - Supertech - Audi

Includes springs, retainers, and valve seats affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Supertech - Corporate Logo
ES#:
1905571
Mfg#:
SPRK-AUDI27T
Ships in 6 Business Days
$799.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4736499 - 06M133026AKT - Ultimate Turbocharger Installation Kit - All hardware required for a successful install utilizing genuine components. - Assembled By ECS - Audi

All hardware required for a successful install utilizing genuine components. 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#:
4736499
Mfg#:
06M133026AKT
Ships in 2 Business Days
ON SALE!
$240.99

This product was last offered at the strikethrough price on
03-05-2026

$237.35 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4045685 - 1004052 - Camshaft Set - Audi 2.7T - Complete set includes two intake & two exhaust cams - 265 degree intake / 250 degree exhaust - Cat Cams - Audi

Complete set includes two intake & two exhaust cams - 265 degree intake / 250 degree exhaust affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
5-6 week lead time for production

Brand:
Cat Cams - Corporate Logo
ES#:
4045685
Mfg#:
1004052
Special Order: No Guaranteed ETA
$2351.99 USD
This product is lifetime replacement eligible Lifetime Replacement
ES#4390856 - 034-108-1904 - SuperDuper X34 Insuction Bundle  - The SuperDuper X34 Insuction Bundle for the B8/B8.5 Audi S4/S5 includes all of the best 034Motorsport products required to upgrade your intake system in one comprehensive and convenient package! - 034Motorsport - Audi

The SuperDuper X34 Insuction Bundle for the B8/B8.5 Audi S4/S5 includes all of the best 034Motorsport products required to upgrade your intake system in one comprehensive and convenient package! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
4390856
Mfg#:
034-108-1904
Ships in 2 Business Days
$1166.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4505757 - 034-106-Z056 - High Pressure Fuel Pump Tool - Designed to make the disassembly and reassembly of the high pressure fuel pump a breeze! - 034Motorsport - Audi

Designed to make the disassembly and reassembly of the high pressure fuel pump a breeze! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
4505757
Mfg#:
034-106-Z056
In Stock
$28.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4135253 - GRT-TBO-K51 - Garrett GEN2 GTX3076R Dual Ball Bearing turbocharger - Garrett GEN2 GTX3076R dual ball bearing turbocharger with a T04E frame (4" inlet and 2" outlet compressor housing) and a .61 A/R Divided (Twin-scroll) V-Band Inlet and GT 3" V-Band outlet turbine housing (Ni-Resist Material). - ATP - Audi Volkswagen

Garrett GEN2 GTX3076R dual ball bearing turbocharger with a T04E frame (4" inlet and 2" outlet compressor housing) and a .61 A/R Divided (Twin-scroll) V-Band Inlet and GT 3" V-Band outlet turbine housing (Ni-Resist Material). affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Used for custom, big turbo applications only - ECS Tuning does not offer support on tuning, fueling, exhaust manifold, etc

Brand:
ATP - Corporate Logo
ES#:
4135253
Mfg#:
GRT-TBO-K51
Ships in 6 Business Days
$2265.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3660590 - IEINCG4 - IE Carbon Fiber Intake Lid - Add some style, class, and sporty look to your IE S4 or S5 3.0T Cold Air Intake with this direct-fit carbon fiber lid! - Integrated Engineering - Audi

Add some style, class, and sporty look to your IE S4 or S5 3.0T Cold Air Intake with this direct-fit carbon fiber lid! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!
To be used in Integrated Engineering Cold Air Intake System: IEINCG2A or IEINSG1

Brand:
Integrated Engineering - Corporate Logo
ES#:
3660590
Mfg#:
IEINCG4
In Stock
$321.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4500516 - 30-3326 - AEM Water/Methanol Injection System - High-Flow Low-Current WMI Solenoid - 200PSI 1/8in-27NPT In/Out - AEM Electronics  - Audi BMW Volkswagen MINI Porsche

High-Flow Low-Current WMI Solenoid - 200PSI 1/8in-27NPT In/Out affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
AEM Electronics  - Corporate Logo
ES#:
4500516
Mfg#:
30-3326
In Stock
$124.99 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

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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