On the 2.5 inch system, the tailpipes look straight towards the rear valence and pipes are not turndown (according to Mflow website). They provide 2 turndown tips that are supposed to be welded. So if Mflow info is correct, should be bit easier with this system then the 3". Don't quite like their design when ever application is "turndown." Sound is very good. So you don't have them installed yet, so you don't know where the pipes end up. Anyway, the pros will make it work.