Originally Posted by "Golden Boy"

Hey I looked at mine again but haven't been able to jack it up to confirm 100% (I will this weekend tho) but im fairly certian mine are fast intentions resonated test pipes and not HFC. I base that off of looking at fast intentions website comparing HFC to the test pipes and HFC are dull looking and the test pipes are shiny. And when I look under my car mne are shiny. But again ill look at it this weekend to confirm.