
Theres a few Mx5`s with V6`s and V8`s , how about this ?
That's a fair old lump on there, sounds great and should go well, maybe not great on the corners but I don't think that's his plan!!!
Not so keen on the exhaust solution though!
Good choice of motor 
On his startup video have you seen how close the last set of inlet trumpets are to the bottom of the screen.....