http://harleypipes.com/harley-80-cu-in-exhaust.htm Tue, 07 Feb 2012 10:36:53 +0000 http://wordpress.org/?v=2.7.1 hourly 1 http://harleypipes.com/harley-80-cu-in-exhaust.htm/comment-page-1#comment-1478 rockbase Fri, 30 Oct 2009 19:18:51 +0000 http://harleypipes.com/harley-80-cu-in-exhaust.htm#comment-1478 yes it will hurt it, believe it or not the 2 into 1 gives you more power in this case. If you change it, it will need to be dyno'd for carb adjustments. yes it will hurt it, believe it or not the 2 into 1 gives you more power in this case. If you change it, it will need to be dyno’d for carb adjustments.

]]> http://harleypipes.com/harley-80-cu-in-exhaust.htm/comment-page-1#comment-1479 jrrysimmons Fri, 30 Oct 2009 19:18:51 +0000 http://harleypipes.com/harley-80-cu-in-exhaust.htm#comment-1479 It will cause your bike to run leaner. this can result in burned valves. You'll need to re-jet your carb to richen up the mixture. Also, the first answerer is correct, duals will decrease horsepower on a stock motor. You would be better off keeping your stock headers and adding aftermarket slip on mufflers. It will cause your bike to run leaner. this can result in burned valves. You’ll need to re-jet your carb to richen up the mixture. Also, the first answerer is correct, duals will decrease horsepower on a stock motor. You would be better off keeping your stock headers and adding aftermarket slip on mufflers.

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