I PM'd you with this response & more...:

SVT exhaust with a 5x8 Magnaflow in the resonator spot. Faint rumble at idle, really wakes up when the foot goes down.

Louder? Trubendz.com resonated Magnaflow system

Louder still? Trubendz.com non-resonated Magnaflow system


Must be that jumbly-wumbly thing happening again.