Originally Posted by Tee-Dub
I keep reading how restrictive the 135's stock exhaust is though. I wonder if they are referring to the catted mid-pipe on earlier years (mine) or is it the axle back that is so restrictive? For those of you that installed cat-less downpipes but kept the stock section, did you have any issues with the secondary cats getting clogged up?
the situation is , all other parts are stock, except the muffler part is removed.