| The manifolds where grounded/machined down about 6-7mm before the flange was put on. Also there are a few people with AMS manifolds with a 3/4" spacer to get 3071 to fit. So I know I wont have a fitment problem. I've done alot of homework on this, 3071 and 3076 you have to bang in your frame rails. with these I should not have that problem, the width of these turbos are smaller. And if i do have to make modifications to my frame rails, i will not be banging them. I will cut out the part of it and reinforce it with steel square framing.

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