The difference between regular packing and MSR Silent Sport packing

I don't have a back to back with my YZ yet (in a couple weeks) but there was

some interest in how much MSR Silent Sport packing quiets down two strokes

for people who want a quieter silencer/S/A/Q Stealth.

Here's a good example.

Nick and I have the same carbon fiber silencers on our RZ500's, his with regular packing,

mine with fresh MSR Silent Sport. My camera does clip some of the high frequencies,

but you can hear how much better the MSR packing dampens the noise.

Regular packing


That's pretty cool. How old was the regular packing?

Thanks. I think his was a few months older but not enough

to really make a difference with the amount we ride these.

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