Hi. Last Friday I had the MagnaFlow installed by a local muffler shop. $300, which is a lot cheaper then similar products. Well, let me put it diplomatically, like my wife requested, "to get her set of earplugs!" During acceleration and cruising between 2,500 to 3,200 RPMs, one might as well turn off the stereo. OK, OK, maybe it's an age thing, being an ol' f.rt, but... So, tomorrow I am having a baffle installed(?) Might as well slap the old muffler back on! Oh, the foolish things we do sometimes :) Sig in Vacaville, CA.