Originally Posted by ArtVandaleigh

Yea to be honest after driving around for an hour today, it's MUCH louder than my HFC/Nismo catback, especially between 2k-3k rpm. It's extremely boomy... im almost wondering if i did infact receive the 12" resonated version instead of the 18" (which i ordered). Does anyone have pics to show the 12" vs 18" X-pipe for comparison? I didnt take much note of the resonator sizes at the time of install. At WOT though this exhaust sounds incredible, it's just the around town boomy sound that i'm wondering about now.