6.42 cube box square port tuned at 30 hz 2 12” tezla 1.5’s with a ts power amp at 1 ohm 3200rms just wandering about where about I would be on a meter Bo one close to me has one the local stereo shop has a handheld and it maxed it out at 129.9 so any guesses anyone ??? It’s in a 03 4door duramax
