Nigel, unlike most vehicles, the RE pulls air from the inside to the outside of the filter. The hinge is on the clean side of the air stream. As such, anything that gets sucked through goes right to the throttle body.
Scot Thanks for your reply I got away from this thread for a few weeks and didn't get back to it until today. Some life happened in between I guess. Just a thought about the plastic air box sealing upgrades. It seems to me that someone earlier suggested this might fix the poor sealing of the air filter endplates itsetlf: I don't think this would be the case. It would only stop outside air from getting sucked direct from the higes to the intake manifold. Air slipping though under the rubber seals on the air filter unit would still happen if the sscrew down didn't tighten and seal. Regarding the larger diameter (3 1/2 or 3 5/8) fillters , would another metal plate under the stock plate on the same mounting screw 9which might have to be longer ) fit and work? . Or what about getting the "lid" meant for the larger filter unit (whatever machine it was meant for) So long as the centre hole is the same size, a larger diameter lid to seal to the free end of the filter should work perfectly and if they make the filter that size, someone must be making the lid. Is there a rubber washer sealing the centre screw that holds the filter lid in place? Nigel
If enough of us e-mail K&N asking for a proper size filter, they just might start producing one, I did my part. firstname.lastname@example.org
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