Product Summary

Universal Fit, Throttle Body Injection Style, Natural

  • The Go Street EFI 400HP Self Tuning Fuel Injection System is rated at 400 HP but is suitable for engines from 100hp thru 400hp
  • The Go Street EFI is a ready-to-run system that strays away from the programmable features and sticks to the basic functions necessary to get the best performance and economy out of your street and mild performance engine
  • FiTech once again allows you to ditch that old carburetor and advance into the EFI world at the most affordable price on the planet!
  • Replacement for any 4-barrel carburetors for engines with 150 HP up to 400 HP
  • Use the same size air cleaner you would normally use for your 4-barrel carburetor

Key Specs

MFG. Part #30003
Injection StyleThrottle Body
Fuel Injection System TypeSingle 4-Barrel Throttle Body (4150 Flange)
Max Horsepower Rating400
ECM IncludedYes

Need To Know

This Product Will Ship Free

Shipping Policies & FAQs

Quick and Easy Returns

Return Policy

FiTech 30003 Details

The Go Street EFI 400HP Self Tuning Fuel Injection System is rated at 400 HP but is suitable for engines from 100hp thru 400hp. The Game Changer has arrived from FiTech with its latest addition to the line of Go EFI Throttle Body EFI systems. FiTech recognizes that not everyone needs or has 600HP or a wild camshaft. There is a large group of enthusiasts who are happy with their ZZ4 crate engine or their ’66 Mustang’s factory engine, but still want the advantage that EFI has to deliver. Fitech has taken your needs into consideration and built an EFI designed just for that purpose.

The Go Street EFI is a ready-to-run system that strays away from the programmable features and sticks to the basic functions necessary to get the best performance and economy out of your street and mild performance engine. FiTech once again allows you to ditch that old carburetor and advance into the EFI world at the most affordable price on the planet! Leave it to the experts in affordable EFI, we are always looking for ways to save our customers money while delivering the BEST performance possible!

Application:

  • Chevrolet, Pontiac, Ford, Chrysler, Dodge, Plymouth, Etc. engines making 150 HP up to 400 HP with a 4-barrel intake manifold.
  • Replacement for any 4-barrel carburetors for engines with 150 HP up to 400 HP.
  • Use the same size air cleaner you would normally use for your 4-barrel carburetor.

Not legal for use on pollution controlled vehicles. This system is designed to be installed into vehicles that do not require emission controls.

Features:

  • 1 BAR internal MAP sensor.
  • Suitable for up to 400hp.
  • (4) Flow matched injectors.
  • (1) Fan control & AC Input.
  • Built-in pressure regulator.
  • Attractive cast finish.

Kit Contents:

  • (1) Die-cast throttle body.
  • (1) O2 bung kit.
  • (1) Hand-held controller.
  • (1) CTS sensor.
  • (1) Hand-held controller cable.
  • (1) CTS adapter.
  • (1) Windshield mount.
  • (1) Mini USB cable.
  • (1) 4+2-Pin Connector.
  • (1) Return plug.
  • (1) O2 sensor.
  • (1) Gasket kit.

Charts

Warranties

FiTech 30003 Specifications

KEY SPECS
MFG. Part #30003
BrandFiTech
Injection StyleThrottle Body
Fuel Injection System TypeSingle 4-Barrel Throttle Body (4150 Flange)
Max Horsepower Rating400
ECM IncludedYes
GENERAL
Carburetor Flange Type4-Barrel Square Bore
User TunableYes
Self TuningYes
Injectors IncludedYes
Intake Manifold IncludedNo
Metering StyleSpeed density (Map-N) or speed throttle (Alpha-N)
EGRNo
Throttle Body IncludedYes
Throttle Body MaterialCast Aluminum
Throttle Body FinishNatural
Throttle Body Flange Type4-Barrel Square Bore
Venturi Quantity4
Fuel Pump IncludedNo
Fuel Rails IncludedNo
Calibration Module IncludedYes
Wiring Harness IncludedYes
Fuel Pressure Regulator IncludedYes
Distributor IncludedNo
MAP Sensor IncludedYes
IAC Motor IncludedYes
IAT Sensor IncludedYes
TPS Sensor IncludedYes
FinishNatural
Use with Power AdderNo
Throttle Body Barrels4-Barrel
Gaskets IncludedYes
Throttle Body Adapter FinishNatural
Throttle Body Adapter MaterialCast Aluminum
GTIN Code856291005350
Sold in QuantityKit
Transmission Controller IncludedNo
Multi-Port Fuel Rails IncludedNo
Power Adder CompatibleNo
Fuel Injection StyleThrottle body
Timing Control CompatibleNo

Ratings & Reviews

4.5

22 Reviews

Customers say

This product garners a range of reviews but focuses on its ease of installation, overall quality, and the significant impact it makes on vehicle performance. Customers endorse the product for its usability and well-crafted design. Some users praise the self-tuning features that dramatically improved their vehicle's running, confidently recommending it for daily drivers and performance builds. A few found the installation process straightforward; others faced minor challenges but still deemed the product a good value due to its robust features and benefits over traditional carburetors. A minority experienced issues leading to dissatisfaction, however, the vast majority of customers are highly satisfied with the product's positive impacts on fuel economy, reliability, and vehicle responsiveness.