KTM 640 LC4 Exhaust

Joined
Mar 20, 2001
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#1
I have a 2000 dual sport model, it has an internal core Supertrapp pipe, has anyone experimented with adding discs inside the stock pipe yet ? If so, did it increase performance ? Anyone put on a Big Gun exhaust with the brand new quiet core with spark arrestor ? If so, is it really loud or OK ?
Thanks,
Randy
 
Joined
Apr 1, 2001
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#2
I have a 01 640 Adv. tried adding, and removing discs.Didn't
make any diff. Mine has what looks like a pre muff.by shock so don't think you will gain without full BigGun system.I've heard pros and cons about loudness of it.I would still like to put one on though!!!
 
Joined
Jun 12, 2000
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#3
put one on my cousins bike today, tried the quiet series then the LOUD series
went back to the quiet one, he's real happy with it...spread the power around a little better made it gruntier not to loud with the quiet one installed very nice fit though.