2.5 exhaust

If you put in a H or X pipe maybe it will take out the tinny sound?? I just bought the 2.5 from Jegs and I got a set of muffs off of ebay, 2 chamber, I have not installed mine yet, I also got the H pipe, Are you using the turbo muffs that came with your systems?? I bought the kit with no muffs, I have turbos on mine now and wanted to try the flowmaster clones, did you weld them or use the clamps??