my 1200cfm throttle body is so big compared to that area on my intake I had to take them out and re shape the radius-opening up the corner runners, which are the weak ones on a torque 2.. (used it for hood clearance and staying away from dual plane for the fuel inj. will see next summer I hope. I built it mushy down low, hoping to get some traction, but so far it feels like it comes on like gang buster, haven`t had it over 5000 , yet. still working bugs.