Originally Posted by S.C. Express
3 inch inlet. Dual 2 1/4" outlets on the muffler. Most of us just use the 2 1/2" outlet mufflers. A Simple reducer will solve the issue and you can go up on exhaust pipe size later if you choose. When I brought my muffler and truck to the exhaust shop I told him that I bought a larger outlet size, he did not even think twice about it. I think it actually helped him by giving him more room to work with.
The Y-pipe is 3" dual inlet and a single 3" outlet.
Is that a definite? I put in my order last night with J from DAP and told him I wanted to do the exact same thing with my 2012 Hemi and he had me get a 3" inlet, 2.5" outlet Y pipe. Now I'm nervous