Well I found out why it's been backfiring.

[rude_life]

Apparently my exhaust has broken clean in half right before the muffler about 18 inches behind the flange. Just sounds a bit deeper now. Lost some HP and torque though. Im going to try and get some pictures up

 

[WhiteDevil]

YESSSSSSSSSSS 1 point for me. I said exhaust leak!!!!