This is a pretty old thread, but I just got a used, 2010 370z Roadster and among the many upgrades on it was this Magnaflow exhaust. The dealer didn't even know this exhaust was on it (as with many of the $7k in upgrades the previous owner put on this car), so I didn't really pay anything for it, but I have to say that the sound is amazing. Especially in a roadster, there is a visceral growl there bellowing out on a whole other level from the factory exhaust that magnifies the entire driving experience in this car. I haven't seen the performance benefits (if any) documented anywhere, but honestly, I don't even care if there are any with how great this thing sounds. I'll see how it holds up and let you guys know, but I'm in CA anyway, so at least rust isn't an issue. The funny thing is, their corporate headquarters are right here in the city where I live, so if anything goes awry with it, I'll just swing it by.
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