RC4G Posted October 4, 2009 Share Posted October 4, 2009 Has anyone ever swapped to FI headers on a carb'ed 1100xx with dyno runs before and after to show the performance difference? Quote Link to comment Share on other sites More sharing options...
blackhawkxx Posted October 4, 2009 Share Posted October 4, 2009 I also always wanted to know the real performance difference. They have claimed the FI header losses HP up top but gains it in the midrange. Also would like to try a Carb. header on a FI bike. Quote Link to comment Share on other sites More sharing options...
RC4G Posted October 5, 2009 Author Share Posted October 5, 2009 I picked up a set of 99 headers a couple weeks ago and plan to perform this swap. I plan to document with dyno runs before and after with the next step being jet kit, BMC/K&N air filter and some slip-ons. Quote Link to comment Share on other sites More sharing options...
googus Posted October 5, 2009 Share Posted October 5, 2009 I have a set of 98 headers if anyone wants them.. Quote Link to comment Share on other sites More sharing options...
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