forward facing intake
I think the looks of these filters are bad a@# but I have a concern about them and it is why I have not bought one so with that said I have a stupid question.
What happenes if you get caught in the rain or stuck in wet driving conditions with one of these??
Will all that water get sucked into your motor??
I don't pull apart my own motor, I don't rebuild motors, and I'm only passing along heresay. But these remarks came from a Harley tech who DOES rebuild engines.
I asked the same question about both the 90s with filters and the open stacks. What I was told was they they work great on show bikes and bikes that are not ridden in the rain. But if you're touring or setting up your bike to ride in all weather, then yes - they will allow more moisture inside the engine than the sheltered air intakes.
While it may not be enough to "drown out" the engine, the point that they made was any time you have residual water inside the engine there is a potential for damage to pistons, valves, cylinders, etc.etc. He also noted that the open stacks allowed dust and road grit inside the engines on touring bikes.
So for bikes that wouldn't be ridden in the rain - go for it. For touring bikes that will be ridden in all kinds of snow and rain or tough weather conditions, not a good idea.
I'm sure if that was incorrect advice some of you guys who work on your own engines will correct me!
Doc
If your looking to improve the performance of the intake a bit with something that looks nice....the 90* units do just fine. I know that most do come with a fitted "rain sock" that will help with keeping water out.
The Best of Harley-Davidson for Lifelong Riders
I am going to pick up the HD heavy breather next week. I was told as long as I had the Stage 1 download and had already installed that airfilter the heavy breather would work fine with out any other changes. When I get the new S&S cams in I will have dynoed to make sure I'm getting the most of the motor. Good luck with your choice.










