AFI's LS Gen III engine operation system

LS by AFI introduces a new and innovative entry into the hot LS marketplace. AFI’s LS engine operation system is equally suited for stock engine transplants and available for boosted or perspective boosted applications. If you are considering a turbocharger or supercharger, or are building with either, AFI has you covered.

Click here to customize your engine operation system

AFI's Ecotec engine operation system

We have developed a stand alone harness/ecm for the ECOTEC engine lines. Click the link below to customize your Ecotec engine operation system based on your needs so that we may provide you with a product you will enjoy for years to come.

Click here to customize your Ecotec engine operation system

AFI now offers Dyno runs and tuning!

Affordable Fuel Injection Dyno Pricing

Dyno Appointments offered: Monday through Friday and select Saturdays

Power Runs

$100.00 (includes 2-3 pulls with graph)

Dyno Rental

$150.00 (2 hours per vehicle

$300.00 (4 hours per vehicle)

$500.00 (8 hours per vehicle)

AFI tuning services *non-carbureted vehicles only

$105.00 per hour *by appointment only

*Carbureted vehicles to be tuned by your technician during rental time slots

Call AFI’s Main Line at (248) 393-1621 for appointments and information


Our goal is to provide retrofit fuel injection systems for aftermarket applications which are affordable, unique, and consistent with the customer’s individual needs.

Affordable Fuel Injection (AFI) was founded in 1997 with one goal in mind: offer fuel injection systems that allow superior performance to traditional carburetor systems, for a variety of applications, and make it affordable. Our knowledge base starts with over 35 years of combined experience in both OEM and aftermarket automotive design and development.

Affordable Fuel Injection is currently developing many exciting new products for the automotive aftermarket. Whether you are considering fuel injection for industrial use, street rod, off road, marine or any other application, AFI has a solution for you.