Greetings to all expertise there, im currently using a stock 4g92 sohc... does this engine have the potential to increase hp if i put e manage ? my engine had slight mod example like exhaust 4-2-1 and larger piping,some power plug cable and a fuel regulator. Any expert there bcz i plan to put in an emanage package . ?? any sifu ? :( seriously very hunger for hp now...probably i will put an adjustable cam pulley...