2002 F-350 SRW 4x4 Lariat Crew Cab, Auto, MBRP 4" T409 Turbo back, AFE Stage 2, Isspro gauges (Pyro, Boost, Trans), BTS VB, DP F-5 To view links or images in signatures your post count must be 10 or greater. You currently have 0 posts. (No start, Modified Stock, 60T, 80E, 120race)
Democrats are tyrants.
Republicans are cowards.
Jesus Christ is our only hope!
As I understand it:
HV definately helps on an otherwise stock truck, and also on lightly modified trucks.
HF is geared more toward the serious competitor. The kind of crazy idiot that turns 4k on a regular basis.