Stock what should I expect with nothing but the Procharger?

What additional item would unlock the most power? I am thinking the Helix cats.

 

Headers and cats. The procharger will force the air in, but you will have to have the exhaust to let it out.

With nothing else I would expect to see 355 whp on a conservative tune, 365 if you want to get a little crazy with it!

 

Mine is at a very conservatible 326 whp and I have not done another dyno with my new high flow cats on.

 

I have a 5AT. Dynoed at 365 rwhp.