Originally Posted by shiv@vishnu
LOL.... smalll world. That post about exhaust design was made by a buddy of mine (Jay Kavanaugh) at my request several years ago to clear up some myths about "bigger-is-better" downpipe design on the Subaru forum.
Holy cow, I just realized how popular
that post is.
Based on the transition smoothness part, I imagine that in our case slight (perhaps irrelevant) turbulence might be created with DPs with collectors larger than ~2.25".
Thanks for the follow up Shiv.