You need to take off the piping to the MAF (circled red), and then get some flexi tubing to conact it all up. Not sure what size the defender pipe is, but the pipe size to fit on the MAF is 70mm, so looking at the pics - you might need a reducer, but hard to tell, or if the plastic cowling can come off where I have circled blue, that might be the same size as the MAF to run some fexi hosing straight to that point..

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