2010 YZ450F exhaust system??

86 replies to this topic
  • rdefonce

Posted April 12, 2011 - 08:23 AM


Sounds good but after adding a slip-on are you guys also adding a power commander (PCIII or PC V). I guess what I'm asking is that after you replace the stock exhaust with an aftermarket slip-on what else needs to be done

For me, it's runs so good (after installing the different muffler) I'm not messing with the GYTR tuner, or a Power Commander.
So, to answer your question, Nothing needs to be done.

That said, many guys buy the plug-and-play GYTR tuner to change it up some. A Power Commander is better for more fine tuning.
A LOTTA people aren't satisfied with stock, even though stock is good.

  • Pmason718

Posted April 12, 2011 - 09:50 AM


I love the way stock sounds but then again that was only in the garage, haven't had a chance to ride yet

  • danZ73

Posted April 12, 2011 - 01:04 PM


Will a Lexx endcap open up the exhaust enough to notice a difference?

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  • todds924

Posted April 12, 2011 - 09:29 PM


I thought I seen a slip-on for $600 on ebay. Besides the price and the fact that make great products what do we know about this pipe on this bike

It performs identical to the Yosh on the dyno. And costs twice as much.

  • Pmason718

Posted April 13, 2011 - 06:59 AM


It performs identical to the Yosh on the dyno. And costs twice as much.

Thanks for that info. The Yosh looks like it may also be shorter, is this correct?

  • Pmason718

Posted April 14, 2011 - 08:40 PM


Anyone have experience with the Vance & Hines exhaust ($299 & $499)



  • jaro51

Posted April 15, 2011 - 04:51 AM


How about Rocket Exhaust?


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