Difference between V&H pro pipe and pro pipe hi outputs
I would like to know if someone could tell me the difference between these two pipes? Sound and all. I was thinking for my current build the hi outputs. But I'd like to hear from others.
2009 Hot Red Sunglo, 107 build, S&S 551 cams, heads polished and ported, Vance & Hines Dresser Duals, Vance and Hines 4" rounds, REVOLUTION PERFORMANCE ems, Bad Seed bars, J&M amp and rokkers speakers, Sony DSX-S310, progressive 940's