ktmfan

Member
Apr 21, 2001
16
0
I WOULD LIKE TO CHANGE MUFFLER WITHOUT TOO MUCH VOLUME INCREASE.
THINKING QUITE CORE PRO CIRCUIT OR A LESS HEARD OF COMPANY DMC IS MAKING ONE FOR 520'S. I BELIEVE DIRT RIDER HAS TRIED THEM ON OTHER BIKES WITH GOOD RESULTS.
ANY HELP IS GREAT.
 

Coach in ND

Member
Mar 19, 2001
212
0
I purchased the Pro Circuit T4 for my 400SX. It works great but makes a hell of alot of noise now. I ordered the quiet core but haven't ridden with it yet to tell if it makes a difference.

Hopefully I can get out this weekend and check it out.
 

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