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Audi S4 Performance Fueling Parts

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Boost Cooler Stage 3 DI ProLine Water/Methanol Injection

ES#4698806 - SP10317PRO - Boost Cooler Stage 3 DI ProLine Water/Methanol Injection - Proven to reduce the air inlet temperature by up to 100 degrees and increase octane by 25points for maximum HP and cooling! 3-liter reservoir, stainless steel braided line, 4AN fittings. - SnowPerformance - Audi BMW Volkswagen MINI

Proven to reduce the air inlet temperature by up to 100 degrees and increase octane by 25points for maximum HP and cooling! 3-liter reservoir, stainless steel braided line, 4AN fittings.

Brand:
SnowPerformance - Corporate Logo
ES#:
4698806
Mfg#:
SP10317PRO
In Stock at Vendor
$833.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

IE 3.0T High Pressure Fuel Pump (HPFP) Internal Upgrade Kit

ES#4642770 - IEFUVO1 - IE 3.0T High Pressure Fuel Pump (HPFP) Internal Upgrade Kit - IE's HPFP internals upgrade kit for the Audi 3.0TFSI Supercharged engines is perfect for the DIY user looking to upgrade their factory-equipped HPFP pump body with new higher flowing internals - Integrated Engineering - Audi

IE's HPFP internals upgrade kit for the Audi 3.0TFSI Supercharged engines is perfect for the DIY user looking to upgrade their factory-equipped HPFP pump body with new higher flowing internals

Brand:
Integrated Engineering - Corporate Logo
ES#:
4642770
Mfg#:
IEFUVO1
In Stock
$472.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Adjustable Fuel Pressure Regulator

ES#5271 - 001564ECS01 - Adjustable Fuel Pressure Regulator - 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 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
5271
Mfg#:
001564ECS01
In Stock
ON SALE! SAVE 15%
$229.99

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

$195.49 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Bosch 044 High Flow Fuel Pump - 270 LPH

ES#514125 - 0580254044 - Bosch 044 High Flow Fuel Pump - 270 LPH - Great for when more fuel is needed in a custom fueling application - Bosch - Audi Volkswagen

Great for when more fuel is needed in a custom fueling application We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
514125
Mfg#:
0580254044
In Stock
$230.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

IE 3.0T High Pressure Fuel Pump (HPFP) Internal Upgrade Kit - With Install Tool

ES#4642772 - iefuvo1KT - IE 3.0T High Pressure Fuel Pump (HPFP) Internal Upgrade Kit - With Install Tool - IE's HPFP internals upgrade kit for the Audi 3.0TFSI Supercharged engines is perfect for the DIY user looking to upgrade their factory-equipped HPFP pump body with new higher flowing internals - Integrated Engineering - Audi

IE's HPFP internals upgrade kit for the Audi 3.0TFSI Supercharged engines is perfect for the DIY user looking to upgrade their factory-equipped HPFP pump body with new higher flowing internals

Brand:
Integrated Engineering - Corporate Logo
ES#:
4642772
Mfg#:
IEFUVO1KT
In Stock
$508.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

High Pressure Fuel Pump Tool

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! 2X Entries Into Our F80 M3 Sweepstakes

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

High Pressure Fuel Pump Tool

ES#4730319 - 034-106-Z068 - High Pressure Fuel Pump Tool - Designed to make the disassembly and reassembly of the high pressure fuel pump a breeze! - 034Motorsport - Audi Porsche

Designed to make the disassembly and reassembly of the high pressure fuel pump a breeze! 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
4730319
Mfg#:
034-106-Z068
In Stock
$26.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

750CC EV14 Bosch Fuel Injector - Priced Each

ES#4013557 - 034-106-3031 - 750CC EV14 Bosch Fuel Injector - Priced Each - The most advanced injector we offer. - Bosch - Audi

The most advanced injector we offer. We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
4013557
Mfg#:
034-106-3031
Ships in 3 Business Days
$127.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Audi B8/B8.5 MPI Kit - Black

ES#4716234 - 601-0243 - Audi B8/B8.5 MPI Kit - Black - Engineered for achieving the highest performance from your 3.0T! - Precision Raceworks - Audi

Engineered for achieving the highest performance from your 3.0T!

Brand:
Precision Raceworks - Corporate Logo
ES#:
4716234
Mfg#:
601-0243
Ships in 10 Business Days
$1899.99 USD
Free Shipping
on orders $49 and up

550cc Fuel Injectors - Set Of Six

ES#2574528 - INJB550KT6 - 550cc Fuel Injectors - Set Of Six - Bosch 550cc EV14 Fuel IOnjectors - Great for stage III 2.7T upgrades. Includes injector plug adapters - Bosch - Audi

Bosch 550cc EV14 Fuel IOnjectors - Great for stage III 2.7T upgrades. Includes injector plug adapters We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
2574528
Mfg#:
INJB550KT6
Ships in 10 Business Days
$655.99

This product was last offered at the strikethrough price on
07-06-2026

$545.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

More About Performance Fueling Parts

When your fuel system is at its limit, you can't make more power since your stock fuel system isn't able to deliver enough fuel. Not only can this create 'lean' conditions in the mixture, but it means you're leaving power on the table. Upgrade your fuel system with our performance fueling options from injectors to management and even methanol and other additives.

Let us help you find the parts that fit your Audi

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Manufacturer names and/or part numbers are used only for identification purposes.

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