looking for opinions from experienced users. for best performance and economy. '08 F150 with the 4.6, STX, towing. 373 rear. 135,000 miles. mostly my everyday ride, some towing, as i'm sure many of you know, the 4.6 not exactly a tower of power. what are best ignition coils and spark plugs you have tried. what thoughts on cold air intakes or exhaust upgrades. no emission testing where i live. not looking to race, just very tired of stock power level. thanks for any relevant info.

 

honestly save your money and get a newer F150...there is some much more coyote support then the older modular motors. if your sticking to your guns. throw a 150 shot on it and be done.... party in a bottle.