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Old 08-05-2008, 05:03 PM
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straycat straycat is offline
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Join Date: Aug 2003
Location: lehigh valley,pa usa
Posts: 732
Default K & N stub stack gimmick or ?

has anybody tried these and actually had a performance increase at the track? or are they just another gizmo like the turbo fuel atomizer that will net me more mpg in my street cat?