OP, got tired of reading what everyone else had to say. It is always the same and comes down to opinions. I posted the results of a dyno run of my bike with Area P slip on, PCV, flies out, and K&N airfilter and about 1600 miles on my 09...151 hp! I am sorry I don't have torque figures. The run on the dyno was a free one and they just provided a hp figure. Power feels great all over the place, freeway runs at 70-75 mph are yielding 42-43 mpg. I wish the fuel mileage was a little better, but I am very happy with my set up. I ride everyday.