firestarter2
Well-Known Member
That's why you remove cats J/k. A well specced will go positive at very low rpmI know turbos are much less parasitic however there is still a certain amount of back pressure created at the low RPM range prior to positive boost. This is one reason I would be more interested in the Boost Works kit that designed their own manifolds. Unless I missed it Helion just used the stock.
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