K&N Drop-In Filters

Originally Posted by Cmike2780

Any increase would make it a worthwhile investment given that it doesn't cost all that much. If it gets even a third of the gain from a Stillen G3 intake, it's done it's job. You really can't compare your result with other Z's. Like you said, other stock Z's put down different numbers. Your stock setup could have been one of the low numbers and gained a few with the drop in's. Post your chart if you can.