got a '10 5.4 F150 back in november and threw a flowmaster under her since she was so quiet. now with tax money comin in lookin to do a little more upgrades. shall i do a cold air intake?? which brand??? maybe just a different air filter??? or a tuner?? which brand and why? i drive the truck to farm alot. almost every weekend so im really lookin for a good mpgs. like the power also but if i had to chose i'd like mpgs to keep money in my pocket for those cold ones!! ive been lurkin around here since i bought the truck just aint posted till now and its an awesome forum with LOTS of info!!

 

Skip the filters, if you want better mpg a programmer is your best bet.I heard good things about the cs/cts. check the tune/ programmer thread that will help you out.