I've been researching for parts and found the tone of the HKS legimax premium very nice but the piping is only 2.5" . And then I saw the Greddy SE Exhaust and that is 2.75". I'm ok with that. My question is on the axle back portion of the exhaust it is not like the conv where is a reverse Y flowing directly through the pipes. It actually enters the muffler canister and Somehow find its way through. To explain this little better goto cobbs website and look at the exhausts.
My question is, Is the reverse y a
substantially better then the other style then the other style like OEM or does it not matter?