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Discussion Starter #1
So ever since I picked up my 450r a little over a year ago I've been wanting an exhaust. I'm just not satisfied with the sound coming from such a aggressive bike. I've been eyeing a full dasa system for a bit now but I wonder, if I jet the bike to match the exhaust what will happen if I put the spark arrestor back on for certain ohv parks? Will I have to rejet the bike or will I have to go somewhere in-between? Sorry if this is a dumb question i don't know much about carburetors other than how they work and taking them apart.
 

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Truck Yea
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5,432 Posts
i have run with and without the arrestor, seemed to make zero change to the jetting. if anything it might be slightly rich with the arrestor on
 
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