Feb 3, 2010 #1 R rkrahn80 Member Joined Sep 29, 2009 Messages 11 Reaction score 0 Location Wetaskiwin How do SPI pipes work on Summit X 1000? Does SPI make different pipes for low and high altitude? How much gains do you get from them?
How do SPI pipes work on Summit X 1000? Does SPI make different pipes for low and high altitude? How much gains do you get from them?
