Q.M.P Posted June 29, 2007 Report Share Posted June 29, 2007 hey well i want to purchase a spacer i know they dont gain any hp but i just like how they whistle does the helix whistle or the airaid does a better job???? Quote Link to comment Share on other sites More sharing options...
adrusbel Posted June 29, 2007 Report Share Posted June 29, 2007 They are useless I used to have the Airaid and it made the whistling sound. Quote Link to comment Share on other sites More sharing options...
12'SROCK Posted June 29, 2007 Report Share Posted June 29, 2007 if you want a whisltle..............buy a turbo or pro charger/vortech Quote Link to comment Share on other sites More sharing options...
packjh Posted June 29, 2007 Report Share Posted June 29, 2007 my gas mileage went up a bit with mine....its already paid its self off by now im sure. Quote Link to comment Share on other sites More sharing options...
kaos Posted June 30, 2007 Report Share Posted June 30, 2007 i got one and when i took it off i felt a better diff with it off Quote Link to comment Share on other sites More sharing options...
Q.M.P Posted June 30, 2007 Author Report Share Posted June 30, 2007 so then its just a waist of money.. Quote Link to comment Share on other sites More sharing options...
Schmids5.3l Posted July 1, 2007 Report Share Posted July 1, 2007 Yes. Quote Link to comment Share on other sites More sharing options...
kaos Posted July 2, 2007 Report Share Posted July 2, 2007 yes Quote Link to comment Share on other sites More sharing options...
adrusbel Posted July 2, 2007 Report Share Posted July 2, 2007 Yes, i'll spend the money somewhere else imo. Quote Link to comment Share on other sites More sharing options...
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