94 z28 randomly started bucking and backfiring?

I managed to hit a deer yesterday with my camaro. sucks really tore a small chunk out the the front bumper and my driver side fender is missing from the wheel forward. either way I drove it to work today and its Raining like hell. after about 35 miles it started missing. I was only 5 miles from work so I got it to work and parked it. I realized the air filter to my cold air intake was just in my new gaping hole in my car so I assumed I might of got it wet and some water was getting into my intake. so before I left work I did a temporary fix to my car with the broken parts that I picked up some tape and some wood. looks good for what it is. drove fine I drove it to work stopped at a couple stores and about 20 miles from home it started missing again. about 2 miles after it started missing it started backfiring bucking missing like hell everything. pulled it over at a gas station and set for about 5 minutes. started up and it ran fine for about a mile and it started bucking and kicking and missing again. I'm trying to figure out what could be