They charged 450$ for the install, including all piping and tips. I already had the xpipe and mufflers. I absolutely love the sound but it isn't quite. Inside there is a bit of drone at about 1800 rpms but its not outrageous. If you search dual Borla f150 there is a video on YouTube that has sounds clips from a blue f150. The video is by realkrispy or something similar. You can always change mufflers if its to aggressive. As far as Mayco, they are great he also did my lift and had the best prices of anyone around.