Sounds nice man. My FI HFC's get here soon and I'm pairing it with their catback so we can compare vids to see whats what.

 

Have you tried extenders? Found these on Ebay

http://www.ebay.com/itm/2x-O2-Oxygen-Sensor-90-Degree-Angle-Weld-Bung-Spacer-Header-Down-pipe-Downpipe/331299070475?_trksid=p2047675.c100005.m1851&_trkparms=aid%3D222007%26algo%3DSIC.MBE%26ao%3D1%26asc%3D24351%26meid%3Da8fdac7a25c34f39b258425b4929532c%26pid%3D100005%26prg%3D10335%26rk%3D2%26rkt%3D6%26sd%3D321432063855&rt=nc

 

Nice man , Was just comparing my FI HRF's to these and sounded pretty close