economy

So i bought a PCV and had a guy dynotune it. It runs so much nicer, it loves to be opened up! i have a akrapovic slip on the only main mod. Only problem is my fuel economy dropped about 10mpg+. now i know the fuel economy may decrease but that seems like a pretty steep trade off. Also to...

I recently installed a bunch of mods and a PC3 map on my 08 and my mileage went from roughly 300km a tank, to 200-240km. Mods: Two Brothers carbon without baffles, Iridium plugs, K&N air filter, PowerCommander 3 and O2 sensor eliminator. Cats are still installed. I installed the "410-004 Two...

I'm curious about this because I was reading the 15t front sprocket thread, and someone reported having the smaller front sprocket and still getting roughly 60 miles per gallon. I have a stock setup, ride it like a total (meow), and very seldomly ride two up... I usually get about 48-52 mpg...