Personally, and don't take this as slamming you, but I really don't like your car, but I think you are headed in the right direction.
I was never really crazy about the Razzi kit, makes the car look too boxy IMO.
Try this:
The mufflers have to go. Don't buy them on eBay. If you shop around, you can get cleaner mufflers and nice tips. Maybe you can tuck them up a bit higher
The engine. Clean it. Judges will rip apart the car for a dirty motor.
Don't know where all those wires are in that one pic, but clean them up a bit. Use zip ties to make them nice and neat.
The interior. I'm not crazy about interior paint, but seeing the way you painted them, you do have the skills to paint right. Masking off areas and such
Paint your calipers. Costs very little and makes a big improvement. Also makes your wheels stand out. Do all 4, and use a spray can, not one of those kits.
Paint some things under the hood too. You'll have to remove the parts first. Trust me, I know
Do this after you decied what color you are going to get the car painted. This way you'll match everything.