koher
Well-Known Member
How much if any backpressure is need or recommended on these
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Traumahawk
Well-Known Member
I have always been told that the Vmax doesnt like back pressure....thats why there is so much of an increase after going to an aftermarket exhaust...IE Marks, UFO, Kerker....
koher
Well-Known Member
Ok I was looking at going with a full custom set up so I was makeing sure
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