Dr.D for YZ426F?

Has anyone here tried the Dr. D full race system on their 426. I'm looking at getting a 426 next season and I want the best system for the best price.

I have a Dr.D system with header on my 426 and it totally rocks. Power delivery is incredibly smooth and it seems to have quite a bit more power than stock throughout the entire range. I have also tried a White Brothers, but I prefer the Dr.D.

are you running the race system or spark arrestor system?

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