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You left off safety. The first thing I do on my bikes is put on an LED tail light and run/turn/stop lights. The difference in visibility to those coming behind you is amazing. Look at this picture showing the difference. The LED's are much brighter, even though the stockers are closer:
Then it's comfort. I ride alot. I swap the seat and bars as necessary to make the bike fit me, rather than trying to fit me to the bike.
Only then do I get to performance. A stage 1 is gerenally enough for me.
+1 for me it was Safety first so I can be around to enjoy the performance mods.
I went comfort first as to hwy pegs, board repostioners, seating to fit the other half better and wind turbulence elimination, then superior lifespan parts as the shift rod to heim joints, upgrade brake pedal arm laid flatter, and such. Then to engine upgrades, exhaust, air filter with stage 1 and tuner, then off to chrome and accessories beyond the above. After all that upgrade to a newer bike and start over!!
I would seriously do the exhaust and air cleaner right up front at the same time. They will make a larger difference in looks, sound, and performance than anything else for the money.
I could ride a slightly uncomfortable bike that looks and sounds cool farther than I could ride a totally comfortable bike that doesn't.....
Good Luck with the Mods! (You've only JUST BEGUN!)
I recently purchased a 2009 HD Street Glide, I upgraded from a Nightster. The SG has 4800 miles, all stock. Now I know lots of people ask this. But if you could start over with your bike, What would you mod first, the engine, exhaust, intake, comfort?
First thing I always do is air cleaner, pipes, and tuner (stage 1) They choke that baby from the factory gotta let her breath!
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