Never did. I tried to just use the canned tune which was supposed to be good for 120 extra ponies, but they sent me the tune for 43# injectors and the kit came with 60# injectors. So, I was getting fuel trim CELs. Luckily, Magnuson’s chief calibration engineer, Mark Blaha, worked out of a speed shop in Canton, MI developing new kits for new GM, Ford and Mopar cars. Since Mark was only an hour away, I left it there for a couple days so he could tune it. He did a great job and I got a free custom tune. My best guess was maybe 480 at the crank, but who knows?
Definitely not in the Hellcat’s league, but a fun car.