[67ragtp]

Originally Posted by 69x22

I think Charlie is running the quiet Pro XS on JA with 3" to the rear, Mark is running some older XR-1s on RD, and DSE runs the 12" XR-1s on most of their cars. The research that I have done tells me that the Pro XS mufflers are the quietest, but still sound good when you lay the hammer down. I have the part # that DSE uses if you need it.

Thanks - I would really like that part number, Is the pro xs a straight through design were you can look in one side and see out the other.

Thanks again Rich