Car Tuning Cornwall
Remaps / Chiptuning / Dyno
We launched our file portal!
The KD Custom Tuned file tuning portal will enable you to upload your car's stock ECU file and select specific modifications of your choosing and get it modified in-house by our team of professionals. The modified file can be ready for download in minutes for you to upload back into your car.

- Easy to use Credit System
- We use a credit system to make buying multiple file services quick and convenient for our customers. We offer discounts for bulk purchases, saving you up to £80! We currently only accept PayPal.
- Support Ticket System
- Our support ticket system ensures that any and all queries or issues with your File Service will be resolved by our team of professionals promptly and efficiently.
- Detailed Status Tracking
- Your File Service status is updated at each stage of the tuning process - know when your files are pending, work-in-progress or completed. Notes are attached to each file so that you know exactly what's going on.
- Indefinite File Storage
- Your files are stored on our server for as long as you need them, as long as your account stays open with us. Download them as many times as you need, whenever you need.
File Service
We provide remote tuning of ECU Files to the specifications you require. All you have to do is send over your file to us.
Depending on your car's specification, we can provide Stage 1, Stage 2 or Stage 3, Blended Power Economy or Economy Map, and any various add-ons including DPF*, EGR*, DTC*, LAMBDA Delete*, Popcorn/Hardcut limiter* and much more.
* all listed mods are only legal in off-road use
ECU Remapping
All our work is custom and all our files are tuned in-house. We pride ourselves on producing the most power out of your vehicle at safe levels.
If you're looking for all out power through Stage 1, Stage 2 or Stage 3 tuning, we can provide you with what you desire depending on your car's specifications.
Dyno Tuning
This is where the car is logged and tuned on our 4wd dyno to optimise the performance Of the remap.
Get the most out of your car's performance and economy and improve your overall driving experience.
File Service
From £24
The ECU file is sent to us for Modification
OBD Remap
From £180
This is where the car is remapped through the vehicle’s OBD port.
Bench Remap
From £240
This is where the ECU is removed from the vehicle in order to perform the remap.
Dyno Tune
From £360
This is where the car is logged and tuned on our 4wd dyno to optimise the performance of the remap.
Prices will vary and some services may not be available for your car's make and specifications. Please request a quote for prices specific to your car and requirements.
Customer satisfaction is our top priority.
Our reviews speak for themselves - if you're not confident that you will receive the best service around, let our customer testimonials convince you instead.
View Our ReviewsHarry Stevenson
2022-03-19File service is spot on, very honest guy allows you to trust all of his work.
Mahmoud Mousa
2021-09-275 stars and if could give 10 i would highly recommend done 3 cars with david and no problem at all first was vectra 1.9 drove 90 miles to Birmingham his old unit to get it done then Bmw 520d drove 90 miles each way to the old unit as never had any issues with vectra in 2018 so decided to do the Mrs bemer in 2019 then now 2021 done The merc c220cdi with him in the NEW unit in Callington booked holiday in Newquay 6 hours away and saw it perfect chance to drive an hour to get it done with david as im not bothered about the hoilday as much the car remap with the master of tuning 3 cars and never had any issues, pulls like a rocket, friendly, great prices and Great work for all three cars. Thanks david for the great work mate plus badge and stickers. Highly recommended KD Custom Tuned.
Alan Forster
2021-09-23I had my L200 mapped by KD Custom Tuned, discussed what I needed and it was provided without issues. A great service by an expert, highly recommend this company, no hyped claims, they simply provide exactly what they say they will.