i was almost going to go with a 3" DP, but i knew the 2.5 would just be easier to work with, and i reused the same pipe i had from my old configuration (which was a bunch of WTF). For the b16 i'll run 3 inch. But for now it sufficies, and i think today i'm going to straighten out the DP and then vent the dump tube into the DP.
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