1. Expensive
2. You already HAVE a exhaust flange... right?
3. ZERO performance boost
4. Aluminum dosest last in high heat / vibration applications...
5.
6.
7.
8..........
Regardless, allot of folks on Tracy's site couldnt get enough of them..... It became the "must have" item of the week.... ( weak?)

Well, Tracy himself has a new opinion...
http://cr500riders.com/cgi/yabb/YaBB.pl ... 718487/2#2
I guess he's a "Hater" now too....
Gee, another OEM part that outperforms ...who woulda' thought?
