We pride ourselves in supplying some of the industries leading tuning files back by 5 star customer support. Our fast friendly support team are always available to answer your questions should you require support. Our ECU tuning files are developed and tested rigorously so you don’t have too.

Why Choose JFA Tuning Files?

Custom Tuning Files
Custom premium quality, safe and Dyno-developed remapped tuning files
Custom requests and requirements are welcome
Fast friendly support team
Tuning file portal
Our tuning files supports all tools and all checksums on the market
Stage 1, stage 2, stage 3, Vmax, DTC, EGR, DPF files and more available

Download Your Custom Tuned File In 4 Steps!

Create your account

Register to claim your free tuning credit and start uploading files

Buy credits

Purchase tuning file credits to enable tuning file requests

Upload file

You can upload your stock file with your requested tuning

Download tuned file

Our in house file developers will calibrate your file ready for download

Tuning File Research & Development

Mustang 2000BHP AWD Dyno
In House File Developers
Over 20,000 File Versions Developed
WinOLS Verified
Developed To Perfection
Tuning Files

What our clients say


“I went down to jfautomotive nearly one year ago with a MK7 Golf GTI, The results we witnessed was incredible!

Since then we have tuned over 150 vehicles using their service and I can safely say it has been brilliant for our business. My remap turnover is up by 40% over previous year but better still my confidence in the files we use is at an all time high. I am always comfortable knowing a vehicle has gone away being mapped to it’s best ability.

One last thing I would specify is just because another file service may claim better gains in there files, ask to see dyno comparisons and I guarantee they wont be able to deliver.”

Hy-Torque – Luke Oliver


“I use JF Automotive as a dealer file service. Always get really fast service, customer waiting jobs are not problem, the files we get are always perfect and gains exceed customer expectations. Most importantly for me is the support we receive from all the staff is amazing, and anytime we have something a little out of the ordinary they always find a solution. If you looking at becoming a car tuner and need a file supplier I can’t recommend these guys enough.”




JRW Elite Automotive – Jamie White

Our File Services

Customised Tuning Files

We supply custom remapped tuning files

Tuning Tools Choice

Choose the right tuning tool for you

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Meet The Team

Yaris GR Engine Tuning On Track

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Search our ECU tuning options to increase the power and torque of your vehicle and our wide range of performance parts.