i replaced my resonator with a vortex cherry bomb muffler, and have no end muffler; just ran piping all the way back. not much in the way of noticeable gains, maybe a little more pull in the upper end, does sound good though.
No car anymore ;\ (taking a break from driving due to several misfortunate occurances)
Newest mod for my Dad's Cobra 'vert: My beautiful girlfriend and I for passengers when we want to go somewhere
