Originally Posted by ihc95
Will Cobb stage 1 aggressive run fine with a stock air filter/box? At first I was gonna get a drop in dry air filter (aFe probably) but now Im not sure if I need it.
You can, but it'd be better to run with a drop-in filter (K&N, aFe, MS) or DCIs (BMS, ETS, Vishnu). Both are less than $100, so it won't break the bank