Yoshi Slip-on or Full System for 2010 YZ450?

3 replies to this topic
  • BBrown626

Posted February 14, 2012 - 05:30 PM


Yoshi RS4 slip-on or full system?
Anyone know first hand if there is a difference in performance?

  • glenn77

Posted February 14, 2012 - 06:19 PM


I just put he full system on my bike but I'm surrounded by snow so I can't tell you how it performs. It's the best one according to MXA at least.

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  • swaldrop

Posted February 15, 2012 - 04:49 PM


I have the slip on and it was a huge improvement over stock. Not sure the full system would be worth the extra cash but I am sure it wouldn't be any worse than the slip on.

  • BBrown626

Posted February 15, 2012 - 06:06 PM


Thanks guys. I'd like to buy soon and not finding much difference based on rider feedback.
Called Yoshi on the way home from work today. The sales guy claimed a slip-on added about 1 HP and the full system would increase power by 2-3 HP. I am looking to get rid of the low end bark and increase mid to high. PIM box or tuner and Slip-on should meet my needs.

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