Yes, two chips, awaiting slim line knock sensors as the others won't fit with the manifolds. I bought some wire wheels of a chap with a 4.6 with Librands and side exiting pipes.. sounded fantastic... I couldn't help but laugh. I definitely think this is the way I will go.
I've been for another little drive, and have started to like it a little better, less boomy with a few more crackles.