It's always good to know what is safe and what is dangerous to run in your vehicle. This applies to any vehicle in the world. It comes down to the integrity of the vehicle's hardware and the sensors used to tell us what's going on. Lag and loss of power can be caused by many things. Starting with Ignition, Compression, Fuel Delivery and Faulted sensors or wiring. Let us know on the contact page of the issues you are having. A good log file can tell you a lot if you log the correct information. If you want to learn more, please get in contact with us if you are having issues setting up a tune or just need some information.
You can also ask questions on our facebook page!
https://facebook.com/CLGPreformance