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madrian
02-13-2008, 06:51 PM
Hi,
I just installed a 3M Universal kit with 4-stroke core. I was advised that to lower the noise and increase performance, I should get a Resonator end cap, part # 307-5500. Where can I find one? The catalog does not show one.:confused:

bschultz
02-14-2008, 07:32 AM
See answer under tuning/performance thread.