Yeah, I figured the x-pipe would result in some rasp but thankfully the headers help eliminate some. I would not be happy without the headers. If I had to do it again I'd search for a high flow h-pipe, but I also knew the BBK stuff would fit with no problems. I still wish I had a comparison of the mufflers with the stock mid-pipe just to see how much of the rasp is due to the x-pipe vs being a V6. It'll be a few days before I can get an audio clip done but I'll add that to my list for next week.
2008 Bullitt|Roush M90 w/2.57 pulley & CAI; 90mm MAF; Steeda-UCA, LCAs, Ultralites, links, mounts; MM CC plates; Bilsteins; GT500 FCAs; Brembos; Roush shifter; GT500KR axle back; etc
1969 Coupe Restomod-never complete!
2008 Power Wheels Bullitt Clone
Mustangs from the past: 66 coupe, 69 Coupe, 69 Grande, 2001 Bullitt, 2011 V6