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atf8611

2011 Muffler Options - Spark Arrestor?

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I'm moving to Colorado in a few weeks, and I need to make sure my bike is going to be legal out there. I currently ride a 2011 450f, and it has the yoshimura RS-4D pipe on it. I love the look, sound, and performance of the pipe. The only issue is that yosh doesn't sell a spark arrestor for this model.

Does anyone out there know of a universal spark arrestor that I can fit to the pipe? If not, is there an arrestor out there that I can use with the stock pipe?

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Nothing? Its not looking like i can find anything to make this pipe work for me....Anyone in the market for a gently used RS-4D?

Edited by atf8611

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I'm don't believe that you'll find a spark arrestor for the d series... The regular Rs-4 does have one. Maybe you could just buy a new silencer and reuse your header and mid-pipe.

I'd call yoshi to confirm first. This isn't a classified section you may have better luck posting it there if selling it.

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I have the FMF Q4 on my 2011. It is the perfect trail muffler. Quiet. I also think FMF has a spark arrestor screen for all of their products.

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Did the Lexx endcap give you any performance gains over stock? I have had the RS-4D on the bike since I bought it, and I would hate to do anything to decrease power and over rev (even if I don't need it 99% of the time...)

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Did the Lexx endcap give you any performance gains over stock? I have had the RS-4D on the bike since I bought it, and I would hate to do anything to decrease power and over rev (even if I don't need it 99% of the time...)

 

Not with the spark arrestor installed but it does come with a 'race' tip and a 'quiet' tip. I run it with the spark arrestor and the quiet tip and am never lacking power. You can run it without the spark arrestor.

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Well unfortunately the issue is that I will need a spark arrestor. Good to have that lexx endcap as an option though. I'm leaning towards just buying an FMF Q4 and being done with it.

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Might also consider the FMF Factory 4.1 RCT. Comes with a removable spark arrestor and an optional quiet insert/spark arrestor is available. I run this slip-on on my 2011 and 2015YZ. RCT system makes swapping insert super easy.

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