Whether X or H, place it as far forward as convienient. The sooner you start to balance the pressure in both sides of the exhaust, the better.


98 Mystique GS V6 - K&N, projectors 91 Mustang LX 5.0L 00 Jetta TDI, Yay, I bought it !! 95 VW Getta TD - RIP: Nov.3,2005