how much power does this pipe add to the quad?

 

Is sound an issue? Is there any neighbors around to **** of because your quad is too loud? If sound isn't an issue to you then you could go with DMC. My friend has DMC on his raptor and it sounds mean and does improve horsepower a lot, I havent seen a DMC on a 300ex though. There are a lot of good pipes for the 300ex some I know of are: HMF, DMC, Big Gun, WB and I think MBRP makes exhaust for the 300ex. Usually FMF provides good power, but never as much as some other aftermarket exhaust companies. If where you ride requires a spark arrestor than the Megamax is the best choice because it comes with a spark arrestor disk system. It all depends on if more horsepower or sound is an issue.

 

Have never put the Max on a 300, but I have it on all my utilities. Makes a noticeable difference!! What the 300 needs more than anything is a HEADER. That stock header is ridiculously small.