Well i just want to say im not a virgin anymore and it feels great! So i didnt know what to expect as far as what class i would be had no idea about any of it so i showed up to see what was up, Well i ened up being put in a mod 3 class due to my box was about 1/2" above my back seat. could of droped to a mod 2 if i put anuther in line fuse in back by the amp but i didnt care b.c i was already being put in mod class lol ya know. i wasnt there to really win anyways just to get on the mic and get metered. well i got last in my class 2nd place lol 1st did a 148.? i did a 141.0 at 44hz felt good. got one kicker L5 15" and a kicker 750.1 stock alt and batt. 99 4 door blazer. Had a great time!