just wondering if anybody has one ,i bought one last week ,it has good power and sounds exc but after first 10 miles noticed one bolt holding end piece gone,replaced it and put loctite on all three ,75 miles later 2 more gone, whats up with pipes on 660 grizzly,did the same thing to a pro circuit t4 before this one ,two pipe,s toast in 6 months.helpppppp[img]i/expressions/face-icon-small-disgusted.gif[/img]