QUOTE(K3nnYkl82 @ Jun 21 2013, 08:19 AM)
Thats becoz ur power band move slightly upwards to the higher rpm range. Ori filter u havr a more linear band. Low rpm u wan some restriction to allow the AFR to mix better thru turbulance (dun really know how to put in words) layman terms ur lower end drop slighly.. When higher rpm u dun wan restriction, by the time u get there, the power suddenly comes more drastically compare ur stock filter, hence ur butt feel the extra power. Then ur engine ran out of rpm range 
we dyno I think increase 1.3hp
yes.. i knew it.. got Hp increase we dyno I think increase 1.3hp
my butt not so bad after all..
Jun 21 2013, 08:50 AM

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