Going to be putting on the slp 1 3/4 headers with there y pipe. I measured the y pipe and its only 2.25. Isnt the stock y pipe 2.5. Well anyways if I put dual cutouts and the y pipe 18 inches from the collector would that flow enough for my motor. My specs are in my sig.
Thanks
by the way its going into a 3 inch cat back with no cat converter

 

Joe, before I changed my mind (again) and sold the slp 1 3/4's, I saw that too about the y pipe. SLP is one of the best headers (shroty style) out there, but their y pipe sucks. I was going to have a custom true 2.5 dual cat y pipe fabbed up.