Q-forms in a s-10

[4Q15D1 0]

Hello everyone, i have two sets of 6.5 in. speakers im using as midbass in my s-10 pickup, im putting one speaker in the factory location and putting the other in Q-forms, has any body done this before, and how does this sound, then i am using some infinity 4x6 plate speakers in the factory location on top of the dash, the 6.5 will be crossed over at 60hrtz, then the infinity plates around 400 hrtz, has anyone heard a setup like this?I will have (4) q15s subwoofers in the box of the truck with a blow through to the cab, well i was just wondering what u all think about this setup, ty, brian