About CAT KUSTOMS ECU Tuning Solutions
We are a UK based company with technical support in the UK and Portugal.
At CAT KUSTOMS ECU Tuning Solutions, our mission is to provide top-quality ECU files at affordable prices- manually processed without using a BOT or ONLINE PORTAL.
We use genuine licensed software WinOLS 5 , Swiftec, ECM Titanium, ECU Decoder & Davinci and we also have access to WinOLS reseller platform if we don't have a solution.
With 15 years experience and an extensive database and proven track record.
Support via Whatsapp during working hours.
File support via email on pay you go basis.
Our Partners
Become a Remapping Agent!
Tool Compatibility
We support all leading industry slave tools, including KESS V2, KESS V3 and Autotuner, with full coverage across OBD, Bench, Boot, and Gearbox operations.
Files from external master tools are also fully accepted and integrated into our workflow.
Software & Development
All calibrations are created using professional-grade software such as EVC WinOLS, Swiftec, and ECM Titanium.
Our team has developed a comprehensive library of tested and reliable tuning solutions. Every file is built starting from your original ECU read, ensuring maximum safety, consistency, and performance.
Straightforward Pricing
We keep things simple with pay-per-file pricing, no hidden costs.
Ours files start from £40 in the UK - CAR/VAN/LCV
HGV/PLANT/AGRI - POA
Our files start from 100€ in Portugal
HGV/PLANT/AGRI - POA
Master files are welcome!
UK Tuning data (Calibration) paid by bank transfer/Paypal
Portugal Tuning data (Calibration) paid by Paypal (soon MBWAY)
Working Hours
Monday to Friday: 09:00 – 17:00
Saturday: Half day
Sunday & UK Public Holidays: Closed
Warranty & Liability
All hardware-related warranties and protocol support remain with the original tool manufacturer.
Tool subscriptions and their validity are the sole responsibility of the user or agent.
Requirements
To work with us, you will need:
- A genuine slave tool (such as KESS V3 or Autotuner) linked to our system, or any compatible master tool
- A Windows 11 laptop with a stable internet connection
- Active and up-to-date tool subscriptions
- Accurate original ECU (centralina) file reads
- Correct vehicle and ECU (centralina) details
- Professional working standards, including proper battery support during ECU programming
ALIENTECH KESS V3 OBD BENCH BOOT TCU
OBD BENCH BOOT TCU Slave Protocols
Brand New Kess3 Hardware
First 12 months subscription included
Warranty & Tool Support provided by Alientech
£1750 + VAT * UK Stock- Next Day Delivery
File Service & Master is CAT KUSTOMS
*To be purchased directly via our authorised tool reseller VIEZU with a payment link, flexible payment options available. Prices subject to change without notice.
AUTOTUNER OBD BENCH BOOT TCU
OBD BENCH BOOT TCU Slave Protocols
Currently subscription free, includes updates
5 Yr Hardware Warranty
Tool Support is with Autotuner
£1980 + VAT * UK Stock- Next Day Delivery
File Service & Master is CAT KUSTOMS
*To be purchased directly via our authorised tool reseller VIEZU with a payment link, flexible payment options available. Prices subject to change without notice.
Get in touch
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