I've searched the forum to see if anyone had an answer to this but couldn't find much. I have an ETS V2 regular exhaust and their catless test pipe w/ resonator installed on my car. The problem is that now I'm getting a really bad rattle noise coming from the bottom of the car. I checked to make...

Yes I'm jump starting a friends car... got bored, grabbed my phone and decided to have a few revs... black smoke = running rich right? my tips are always blackened :( anywho I have more vids of my car doing things... on my www.youtube.com/murphycm2 profile page enjoy!!!