I had the BBK and experienced the same fit and finish problem. I put my stock airbox back on and added K&N filter. Don't waste your money on BBK like I did. Every post I have read in regard to the BBK cold air kit has been the same, BBK has a poor fit.
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Scott93GT
1993 Silver CC/Titanium Accent GT, Black Clothe interior.
5 speed, 3.08's, 3 chamber Flows, K&N, Hurst Competition Plus.
Click HERE to see my 1993 GT.
1991 F150 4x4 XLT Lariat Six Stick Reg. Cab Tow vehicle