I just got home from a 3100km trip down to Carlisle Ford in PA. Car ran great but my ears are still ringing from the RPI's and Euro headers / Catless S-pipe combo. SERIOUS drone!
I just spoke to Josh at RPI today and have some silencers being shipped out. They have them in stock now for anyone else who might be interested!
OH. And if there was ever any question as to how "functional" the smaller RPI outlets are, check this out. A few days without a bath and a rich VF tune gives it away:
