Filter choice comes entirely down to personal preference. Personally, most of us prefer going with the dry version, as its easier to clean and you avoid the need to buy air filter oil down the road. The cat-back kit can be installed at home, depending on your access to tools, though the cat-back included in this kit only fits 145" and 157" wheelbases. Tuning isn't strictly required for either the intake or cat-back system, but an SCT Livewire with SCT's tunes is included in the package to get your truck more power.