Sorry dude, I clicked before I really read the thread title. There are a variety of Cat-Pipes" or HFC going around, but if I had to stick to either Stillen or Fast Intentions, I would choose Fast Intentions purely on customer service. I have the TDX cat-back and ordered Long Tube Headers.
You should also consider the other HFC / test pipes out there and surprisingly, a lot of people have the other brands. There are a lot of videos on youtube, but all you gotta do is search a bit. Also try searching google to find stuff in the forum (I have had better luck with that than using the forum search feature).
And Welcome............
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 2007 350Z NISMO #0618: Zerolift | UPREV | F.I. | Greddy | Competition Clutch | Injector Dynamics | Aeromotive | Pioneer | JL
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