Jul 19, 2019 #101 H hoyabob2003 Junior Member Joined Jan 11, 2011 Posts 7 Reaction score 2 I'm catted with the FR500 axle back. Sounds amazing. Zero drone. That's my totally subjective opinion.
I'm catted with the FR500 axle back. Sounds amazing. Zero drone. That's my totally subjective opinion.
Jul 20, 2019 #102 06 T-RED S/C GT forum member Joined Jan 8, 2016 Posts 2,270 Reaction score 369 Location Carnegie, PA Are you running the FR500 axle-backs with the "OEM" catted H or with a high-flow catted H, X pipe? Last edited: Jul 20, 2019