Peace be upon you, I have an HP3 device. I have car inspection and a workshop for car maintenance. Things I can do for you at special prices: = Deleting the cylinder deactivation system from 4 cylinders to 8 cylinders = = Unlocking speed or setting speed limit = Deleting the catalytic converter And if you have a Tahoe or GMC model 2015 or 2016 with removed or installed catalytic converters, I have a programming for it, which is: - Removing the rev limiter - ⁠Electric N cutoff - ⁠Throttle response - P pops and bangs - Shifter cutoff, upshifts I offer competitive prices, and God willing, you will be satisfied. If you want to see the programming, send me a WhatsApp, and I will send you a video.