2012 Chrysler 300 SRT8 Rolling Thunder Resonator delete kit and 2 Magnaflow 12867 mufflers HD

Rolling Thunder Resonator delete kit http://www.rollingthunderexhaust.com/ Magnaflow 12867 round 5" mufflers (center of the car) - http://www.magnaflow.com/02product/shopexd.asp?zone=main&id=10439 Video shot with Go Pro Hero 3 black, USB to 1/8" adapter from amazon connected to a 1/8" to "1/4" adapter connected to a 1/4" to XLR cable, which was connected to a Shure SM58 microphone. Cold start, a few revs, put car in Neutral, then a couple more revs