ECU Remapping & Car Security Specialists

  • Professional ECU Remapping
  • Ghost II Immobiliser Installation
  • Insurance Approved Tracking Systems
  • Rated 5 Star by Our Customers
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IMI Certified Technicians​

Your car is in safe hands

Immobilisers & Trackers

All Inclusive Car Security Packages

Stage 1 & 2 Remapping

Dyno tested remaps brought to your doorstep

ecu remapping section

ECU Remapping

Unleash your car's maximum potential

ECU Remapping allows you to alter the software of your ECU in order to increase power, torque and/or fuel economy. We at GTS Tuning provide Dyno-tested remapping with lifetime software warranty and 30 day no quibble money back guarantee.​ Learn more...

Enter your registration to see your performance gains

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Ghost-II Immobiliser Fitting​

Car theft on the rise in the UK, secure your car today.

Protect your car today with the Ghost-II Immobiliser. Visit us or we can travel to you.

  • Immobilisation by communicating with the ECU
  • Disarm sequence via buttons on steering wheel / dash
  • No transmitted radio frequency signals
  • Secure, unique emergency code should the disarm sequence be forgotten
  • Service / Valet mode means the disarm sequence is never compromised

​ Learn more...

Book Now

Featured Services

Performance Remapping

Looking to improve your vehicle’s performance? We specialize in custom tuning your vehicle’s software to enhance its performance. Call us today!

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Autowatch Ghost II Immobiliser Installation

Looking for the best way to protect your car from theft? Look no further than the Ghost immobiliser.

TASSA verified and with a special vehicle marking system, the Ghost is your best bet for keeping your car safe from key-cloning, hacking, and even key theft.

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DPF Regeneration & Software Removal

Looking to keep your diesel car in top shape? Our DPF Regeneration service is designed to clean partially blocked DPFs, preventing costly repairs down the road.

Book your appointment today!

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Vehicle Software Updates

Looking to your car’s software? We provide a mobile or in workshop software update service. Contact us to learn more.

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EGR Valve Software Delete

This service will remove the structures and fault codes related to the EGR valve from your ECU which will prevent the ECU from looking for these codes and structures.

Contact us to find out if your car is compatible.

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Speed Limiter Removal

Speed limiter removal is the process of altering a vehicle’s engine control unit (ECU) so that the vehicle isn’t held back by OEM parameters.

Contact us to learn more.

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  EXCELLENT  
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 Based on 118 reviews 
  
 
 
 
 
 
 
 
 
 
 
 
 Posted on Google Google 
 
 Ladi profile picture 
 
 
 Ladi 
 
December 14, 2025
 
 
 Google star 1Google star 2Google star 3Google star 4Google star 5 
⭐️⭐️⭐️⭐️⭐️ Highly recommended – true professional I couldn’t be happier with the service I received. He carried out a full Stage 1 remap and installed the Ghost II immobiliser on my car, and his knowledge and professionalism are truly outstanding. Even though the car later showed some unusual behaviour due to incorrect software that had been supplied initially, he didn’t hesitate for a second. He travelled over an hour just to make sure I was okay and not left disappointed. He diagnosed the issue immediately and fixed everything in literally 5 minutes. Now the car is running perfectly and everything works exactly as it should. This level of dedication, honesty, and expertise is very rare to find. A true expert who genuinely cares about his customers. I would 100% recommend him to anyone looking for quality tuning and security work. Top man, top service.
  
 
 
 
 
 
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 HarryGamer profile picture 
 
 
 HarryGamer 
 
December 10, 2025
 
 
 Google star 1Google star 2Google star 3Google star 4Google star 5 
Exceptional Service and Peace of Mind with GTS Tuning! I recently had a Ghost Immobiliser installed on my car by GTS Tuning, and I couldn't be happier with the entire experience! From the moment I booked, the service was professional, efficient, and incredibly thorough. The technician, Gowrison , was fantastic. Not only was the installation done perfectly, but he took the time to clearly and patiently explain exactly how to use the Ghost Immobiliser. He made sure I understood the process completely before I drove away, which gave me huge confidence. I now have total peace of mind knowing my vehicle is protected by a top-tier security system, installed by experts. If you are looking for a highly skilled, trustworthy, and customer-focused company for your vehicle security needs, I highly recommend GTS Tuning.
  
 
 
 
 
 
 Posted on Google Google 
 
 Tim Murray profile picture 
 
 
 Tim Murray 
 
November 14, 2025
 
 
 Google star 1Google star 2Google star 3Google star 4Google star 5 
Knowledgeable and efficient, Garrison knows exactly how to provide a top class and unbeatable service. Highly Recommended.
  
 
 
 
 
 
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 Alreen Shan profile picture 
 
 
 Alreen Shan 
 
November 4, 2025
 
 
 Google star 1Google star 2Google star 3Google star 4Google star 5 
Mr. Gowrison runs this business — a young, friendly, patient, and talented man. He never asks for reviews, but I wanted to write one because he truly deserves appreciation. Very helpful, understanding, and professional. Highly recommend his service!
  
 
 
 
 
 
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 Robert Whelan profile picture 
 
 
 Robert Whelan 
 
October 4, 2025
 
 
 Google star 1Google star 2Google star 3Google star 4Google star 5 
I have used GTS Tuning for 3 of my cars now and each time has been excellent. Highly recommend to anyone. Thank you again.