Car Sub Comps?

My friend recently got a nice system in his ford excursion, 6 alpine 12’’ subs with a 2 channel (idk brand) amp set to one channel. can hit around 167 dbs

my question is, has anyone competed in comps and is this a respectable number? and how do you find competitions? I’ve only found one so far after about 30 min of half effort scanning.

Freeport, rockford or chicago IL area ideal. can go to southern wisconsin or the quad cities.

Your not hitting 167 dbs with alpines.