i bought my car wit 80 k on it with it at stage 3..but no boost gauge...the guy said he made it stage 3 at 45000 miles...so i put a boost gauge on at like 90k...i have 98k on it now...and 3rd and 4rth gear boost 15 all the time...wtf?....he detontaing at 14??...my car seems ok..i dunno im confused and scared