Quote Originally Posted by txarkitekt View Post
I would think most mufflers have a specific "In" and "Out" direction. I would get that muffler off there QUICK and make sure you have it in the correct flow direction before you mess anything up... You've recently spent some $$$ on that truck, and I would hate it if you had to buy a new motor cause you welded a muffler in the wrong direction...
hahaha I doubt it'd be that serious, but I'm sure my morosos either had an arrow stamped on it or labeled in or out