Quote:
Originally Posted by fstrnldr
I still don't buy that. If you research the material used to make the factory manifold (manufactured by Dupont) it is also used in plenty of other manufactures forced induction cars.
That isn't to say that there won't be a benefit of an intake manifold change for forced induction cars, but i don't think 4.5 psi is going to cause the stock intake manifold to explode. Otherwise GTM, GReddy, and AAM would all have some issues with their respective turbo kits.
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I would agree that it can take more than that if I remember Christian with his TT G37 now has about 10-15k boosted miles on his car running anywhere from 6-8psi with no plenum damage.
Though the SS manifold is pretty and sounds great it also cooled a lot faster than the old cast manifold on my 350z, though the new plastic composite manifolds on the 35HR and 37VHR may have already taken care of that piece as well.