The helmet and pants look like great choices for your requirements on a budget. I'm not sure I'm a fan of the gloves. Since they're not a known brand and say 'paintball' it's hard to know how well they'll hold up.
As for fender eliminator, most guys have them, so pics are everywhere on the site. Usually you're going to see a license plate with tiny turn signals, or a plate alone, with the turn signals integrated into the taillight.
Cannot opine on exhausts, I don't know much about which costs what.
Never ride faster than you can stop