What I did not like about the KTM "hockey stick" silencer/SA on my 300EXC was that it collected spooge in the SA and dripped onto the rear caliper/rotor. Not a jetting issue as the bike ran clean. When running modern synthetic (high flash point) oils a lot goes through the motor/exhaust unburned and some will collect in the SA, my '07 does the same thing.
I'm satisfied with the TC2 or OEM GG silencer. Its quiet enough for overall use and a lot quieter than most of the 4-strokes out there. If things change and I'm the loud guy then of course I'll deal with it.
Perhaps its not a big deal to me because I run the Hyde combo. Plastic, not aluminum, and it covers a lot of the pipe as well.
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