Grott headers sold where????
Who sells them and how much are they and do they install from the top or bottom?
Currently, I am considering MACs, SLPs and FLPs - The MACs have an advantage of going in from the top, therefor, I could install them myself. I heard the MAC cats are not very good, however.
The SLPs and FLP are similarly priced but, for me, would require paying a shop for installation since they go in from the bottom.
Any thoughts?



