I could fairly easily make a new, larger MAF housing, but my tuner recommended using the stock MAF housing and a Diablosport MAFia so that's what I'm doing.
I know other tuners use a larger MAF housing, but I'm doing what my tuner recommends.
'04 Mach 1. Built. Turbo. 667whp/631wtq
'06 Focus. Built. Turbo. WMI. (sold)
'03 Mach 1 : 12.61 @ 106.59 (sold)