I know it sounds crazy but I've been saving up my piggy bank for a set of ceramic TTIs forever and I would hate to nuke 'em during break-in. My last two start-ups definitely heated up the headers while I sorted out burps. I'm just sayin' the Headman elites in my truck have a lovely purple hue now as a result of the knucklehead that wired the fan backwards. uhhhhh meJim