B5 S4

6X Upgraded Bosch EV14 Injectors w- adapter clips for B5 Audi S4 (635cc, 724cc, 865cc, 1000cc, 1176cc)

from $269.99 USD

~~$269.00 USD~~

A set of 6 authentic Upgraded Bosch EV14 injectors with adapters for your 2.7T application. Please select the size from the drop-down menu you want. These are the same length as the stock injector...

Walbro

from $159.00 USD

This is a good inexpensive pump for basic stage 3 / E85 setups with lower power levels. Doing something extreme? Check out our dual pump fuel fueling system kits custom built to order! Fi...

PMAS

from $249.00 USD

HPX MAF Sensor with pigtail. Used in highly custom builds. Can be run in blow through or draw through housings. When used in blow through design can run blow off valves where the stock draw thro...

5% Off

Stage 3 Fueling Kit WITH Custom Tune for 2000-2002 B5 Audi S4 2.7T and Audi A6 2.7T

ETSpec

$1,129.00 USD

~~$1,189.99 USD~~

This is our entry level fueling kits that includes our custom remote tune with revisions and flashing cable. This will handle any K04 or K04 hybrid setup on 91, 93 octane, or race gas or K24 Hybri...

12% Off

Audi B5 S4, Allroad, or A6 2.7t Complete Built to Order Turbo Bundle Kits (with fueling, downpipes, intercoolers, tune etc)

ETSpec

$3,729.00 USD

~~$4,229.00 USD~~

We have put together a bundle kit that allows you to get everything you need with the click of the mouse to build your stage 3 S4, Allroad, or A6 2.7T. Simply select which turbos and various compo...

Walbro

from $179.00 USD

This pump can support up to 650 whp on the s4 on E85. Will require a relay kit to run, as it consumes too much power for the factory wiring. This pump is commonly referred to as the Hellcat pump ...

3 Bar Upgraded MAP Sensor for Audi S4 2.7T - A6 - Allroad & A4 1.8T with CNC Adapter

Bosch

$75.00 USD

Now includes CNC adapter piece required to properly install the sensor on B5 S4, Audi Allroad 2.7T, and Audi A6 2.7T. 3 Bar Upgraded MAP Sensor for Audi S4 2.7T / A6 / Allroad & A4 1.8T. Requ...

22% Off

N75 Boost Controller Upgrade Kit - Retrofit to newer FSI Audi-VW Pierburg Boost Solenoid

ETSpec

$99.99 USD

~~$129.00 USD~~

N75 Boost Controller Upgrade Kit / Retrofit to newer Audi/VW Pierburg Boost SolenoidIncludes genuine Pierburg boost solenoid from later model FSI audi/vw, plug and play wiring adapter, high quality...

Injector Dynamics

from $819.00 USD

A set of 6 Injector Dynamics Bosch EV14 injectors with adapters for your 2.7T application. Please select the size from the drop-down menu you want. These are roughly the same length as the stock i...

4 Bar Upgraded MAP Sensor for Audi S4 2.7T - A6 - Allroad & A4 1.8T with CNC Adapter

Bosch

$85.00 USD

Now includes CNC adapter piece required to properly install the sensor on B5 S4, Audi Allroad 2.7T, and Audi A6 2.7T. 4 Bar Upgraded MAP Sensor for Audi S4 2.7T / A6 / Allroad & A4 1.8T. Requ...

Audi S4 B5 2.7T - C5 A6 Allroad 2.7T - Twin Fuel Pump Bracket

SRM

from $99.99 USD

Dual in tank pump bracket drops right into the stock tanks mounting hardware. Can be used with a single pump or 2 pumps. All parts sold individually. Don't hesitate to contact us with any questi...

5% Off

Stage 3 Fueling Kit for 2000-2002 B5 Audi S4 2.7T and Audi A6 2.7T

ETSpec

$719.00 USD

~~$759.00 USD~~

This is our entry level fueling kits that does NOT include our custom remote tune with revisions and flashing cable. This will handle any K04 or K04 hybrid setup on 91, 93 octane, or race gas or K...

23% Off

AEM V3 Universal Water-Meth Injection Kit 30-3300

AEM

from $499.95 USD

~~$647.06 USD~~

AEM V3 Universal Water/Meth Injection Kit 30-3300Water injection for gas engines is a proven means for effectively reducing engine inlet air temperatures and suppressing harmful detonation on force...

4% Off

Stage 2 E85 Fueling Kit WITH Custom Tune for 2000-2002 B5 Audi S4 2.7T and 2000-2004 Audi A6 - Allroad 2.7T (AKA Baby Stage 3 Kit)

ETSpec

$1,019.00 USD

~~$1,059.00 USD~~

This is our entry level fueling kits that includes our custom remote tune with revisions and flashing cable. Up to 380-390 wtq and 300-330 whp to the wheels! Great option if you are looking to hav...

JAE Fuel Pump Rewire-Relay kit for B5 S4 - A6 - Allroad 2.7T

JAE

$115.00 USD

JAE Fuel Pump Rewire/Relay kit for B5 S4 / A6 / Allroad 2.7T 12 gauge wire with 30 amp fuse. Required for hellcat fuel pump install.Plug and play, no soldering required. Commonly used with...

50% Off

Hitachi MAF Pigtail/Connector for replacement and conversion on Audi S4 A6 RS4 Allroad 2.7T 2000-2005

ETSpec

$42.99 USD

~~$86.00 USD~~

Hitachi MAF pigtail with high quality OEM style connector, all wires labeled, connector butts already crimped and ready for installation. High quality heat shrink used so it will hold up for year...