In your pics, I see that you are including the front pipes with the cats. Those pipes belong with the cat-back. HFCs don't come with any piping.
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Competition Clutch|Fast Intentions|Maxbore|NST|Setrab|Stillen|Tomei|Uprev| Z1
Avant Garde|SPC|Stance|Whiteline
Aerojacket|Seibon|Tanabe|TRS|TWM
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