Originally Posted by fobz

Hi Tom,

Interesting question. My ver 6 has stock zorst, Ross's has a 3" system. On
saturday night I took Ross for a cruise in my car and he did remark that
even though it had the stock system it still had plenty of pull. To the point
he was thinking about going back to stock to make it a bit quieter.
Feel free to add your 2 cents worth Ross.

I am getting a 3" system on mine in the next week or so and will be able
to give you a better idea once that is done.