6SpeedOnline - Porsche Forum and Luxury Car Resource - ECU Tuning Group's Jaguar ECU Programs from GMP Performance

ECU Tuning Group is one of North America’s most elite vehicle performance software developer. It is the culmination of over 20 years of experience in reading, writing and developing vehicle performance software for European cars. The team at ETG know that no car is exactly the same so they work tirelessly to program each car individually to achieve the best results. Whether you drive a Mini Cooper or a Rolls Royce, ECU Tuning Group can make your car drive exactly how the engineer’s intended, maximizing its potential.

For those of you lucky Jaguar owners, ETG is here for you too.

https://www.6speedonline.com/forums/...ine=1384288814

Jaguar 4.2/4.4 ETG Economy Tune ECU Software

XF/XJ

https://www.6speedonline.com/forums/...ine=1384288814

Jaguar XF/XJ 5.0 ETG Economy Tune ECU Software
Jaguar XF/XJ 5.0 Supercharged ETG ECU Software
Jaguar XF/XJ 5.0 Supercharged ETG ECU Software with pulley upgrade

XKR-S

http://www.jaguar.com/Images/4078254...op_624x275.png

Jaguar XKR-S ETG ECU Software with pulley upgrade

XK/XKR

http://www.jaguar.com/Images/4078264...op_624x275.png

Jaguar XK/XKR 4.2 Supercharged ETG ECU Software with pulley upgrade

Nearly every vehicle on the road today has been de-tuned to protect it from careless drivers, neglected maintenance and low quality fuel. However, with a fast and simple download of ETG's software, you can truly unlock all your Jag has to offer. The benefits of the new file are as follows:

improvements of fuel economy by 10-15%
removal of the speed limiter
raised rpm resulting in increased in power
quicker acceleration
smooth acceleration with no flat spots or hesitation.

For more information on these programs, click any of the links above or click here to see them all. Feel free to message us or comment below with any questions.