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Which OFT stage for '17+ w/catted header?
Realize I'll be in the minority but have a catted FTspeed header I'll be installing and the car is a stock '17 with a JR oil cooler, Grimspeed airbox, and an OFT stage one already but haven't been able to find which stage is right to use. Heard/read that stage one is still sufficient given the limited flow from the catted header but swear I'd seen it listed on a thread a while ago that stage 2 was the correct tune once you had a header even if it was catted.
Tried the search function and didn't have much luck as there's too many threads that reference all of this (most of which are long for sale threads) so I appreciate the help in advance.
Thanks
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