oK;
i have got an hmf slip-on and a jet kit in my 350 raptor..i was wondering if i should get a K&N air fliter, or if i really need one.
I heard about taking off the air box lid, but it just doesnt seem right..should i just drill some holes in it, or what??
Thanks

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Raptor 350_Hmf slip-on_DynoJet_powermadd hangaurds
z250(brothers)_whitebrothers bumper_pro taper handlebars_razors
Arctic Cat 400(dads)_itp mudlites_K&N air filter

im runnin with an open airbox and i took the snorkel off on my quad (400ex) and its been running great. i do know that with all that extra air goin into your motor, it will possibely cause it to run lean. all you gotta do is adjust your carb settings to a richer fuel setting and everythin should be good. and on my bike the kn made no real difference between a uni foam filter that im running right now.