performance chip

Anyone know if theres any performance parts I can purchase for my 4.7 flex fuel.Also I hhave a 3 inch level kit with 35x12.5 right now on stock rims and they do not rub,someone told me if I go with 20x12 rims and -44 offset same size tires they will rub badly.Anyone have any rims similar...

Has anyone tried the gforce performance chip in a 2005 1500 hemi? Does it really help at all and does it screw up anything long term?

Hey guys, new guy here. I just picked up a 2006 1500 5.7 hemi. I'm very impressed with the power its got,but hey,why not a little more! i know there are a lot of options out there when it comes to chips and programmers,but have no idea what works the best.I guess i should mention that my budget...

I don't know if I posted this is the right place but I was wondering if anyone had reliable information about a performance chip that I have read conflicting reviews about. It is called a VP12 Performance chip from a company called Volo. The company claim is a HP and torque gain and a modest...