Has anyone replace the Y pipe on a 05-07 Dak with the 4.7HO engine? I have spent hours trying to figure out how to get a better Y pipe setup for the buck. My understanding is that the original is really restrictive. I don't really want to spend a great deal of money.

I'm thinking about seeing if a shop can straight pipe it and remove the cats. I would install a hi flow cat, adding wire length to the rear 02 sensors and move them back behind the new cat location just before the muffler. Im thinking 3" from the y pipe on back as well. Thoughts?

Any thoughts, help, and guidance would be helpful.

 

when I had my 3inch single catback installed the muffler shop cut off the collector and added a larger one for 75.00

 

Thanks for the reply. When you mean collector you mean right where they intersect right? Awesome. I may just ask them to do that. I'm understanding that's where the most restriction is specifically.

 

it comes down to about the size of a quarter, which is bull.

 

Wow. Yeah that's bad