I have an Airaid CAI, Pypes LTs, and hi-flow catted x-pipe, Flowmaster outlaw AxleBack, Ford Racing intake, GT500 60mm TB on my '09. Dyno Tuned by my guy here in Pa. Got 309 RWHP and 301 RWTQ. Then I installed Howards Rattler Cams and brand new chains/tensioners/phasers, etc... and the same guy...