Bro if you’re open blasting that much stuff you may want to invest a few dollars in the system that will keep you from turning into a statistic. There are few systems up here on 4200 for sale that are good deals but if you are trying to stay at low budget and extremely good deal try this one on for size-
I promise you you will be safer you will have an opportunity to make much better product and you will save money on gas every single time.