This past week, Miami ETG had the pleasure of reprogramming yet another Jaguar XKR-S (ECU/Pulley upgrade) for a prominent shop in Puerto Rico. Through this upgrade, we noticed gains of 55-60hp bringing total power output to nearly 610hp. After putting the vehicle through it's adaptation period and recording numerous tests, we noticed that the vehicle wouldn't lock the road in it's first three gears.

Beneficial features of reprogramming the ECU: removal of speed limiter, increased exhaust note, flatspots/hesitation removed for better driveability.

For owners curious about an upgrade for their 470hp & 510hp Jaguars seeking to achieve similar gains, we are releasing a new package with new numbers shortly.

This car is truly phenomenal. We work with exotics on a daily basis and every single time a supercharged Jaguar comes across our path, we are absolutely pleased to get our hands on one of them. Jaguar left plenty of room in these cars to transform them into...well, literally a jaguar.

For owners who are not accessible to any of our dealers, you are in luck. We are offering a new package where you will be able to reprogram your vehicle through the OBD II port in the comfort of your own home. The process is simple, safe, and easy. Contact us directly for more information.

 

Will like to see the kit, numbers, and price.

 

I'm interested in your upcoming XKR application... please add me to your list to notify once it's available. Thanks

 

Hey guys, this is an old thread. Here's an XK/XKR forum thread that has the details you're looking for I expect. You can also search for similar ones in both the XF and XJ forums that have informative and lively discussions.
https://www.jaguarforums.com/forum/x...upgrade-64594/

Bruce