the TTI system is nice. I love the sound. Here's my IMM built 408 with headers, 3inch, x-pipe, dynomax super turbos, 2.5 tailpipes. Its very nice when you want to cruise around, but opens up nicely when you hit the pedal. roccodart440, post a sound clip of those Borla's.
http://youtu.be/GawehCx9E28