stock intakes are the best way to go to about 500 or so HP, that being said from what your plans look like, and aftermarket intake will be of some help, AFE and S&B are the two systems we go with 99% of the time. Seeing what your budgest is, S&B might be your best option for the $. For what its worth, S&B is what i was perviously running on my truck...its off the truck now becauase of the compounds