Just go with whichever BAK you feel looks best. For the most part they all flow about the same and it's fine to mix and match brands. You don't have to go with the Cobra BAK if you don't want to.
I have a air spike and love it.

Just go with whichever BAK you feel looks best. For the most part they all flow about the same and it's fine to mix and match brands. You don't have to go with the Cobra BAK if you don't want to.i have the cobra slip on exhaust, with cobra fi2000 powrpro, so, my question is, what air intake system should i add to make complete?