03 450 exhaust

So I have an 03 450 that is all stock. I want to take it where I need a spark arrestor. I see that they sell arrestor screen inserts for as low as 20 bucks. Am i able to use these on a stock pipe?

i highly doubt it, most of those are for after market pipes that have to ability to put a spark arrestor insert in. the only spark arrestor i know of without buying a new silencer is the PMB S/A endcap which is $140 and you have to drill out the current rivots in the muffler and rivot the new cap back in.

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