Quote:
Originally Posted by HDyoyo
Im thinking about going with the FI but i didnt like hissing sound in the video, does the size of the resonator make a difference in that hissing sound???
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No, the hissing comes from the X pipe I believe, Tony correct me if I'm wrong?? It's the backpressure evening out.
Quote:
Originally Posted by FPenvy
im not sure if the size of the resonators change the hissing sound but i have no resonators and love the hiss. just another addition to how mean this exhaust sounds.
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
Let's you know there's power there.

Plus it almost sounds like a BOV venting. Makes the boosted guys do a doubletake. To me it sounds like a pissed off cobra ready to strike.
Quote:
Originally Posted by HDyoyo
Maybe I gotta hear the hiss for myself.... around how much $$$ to get the FI installed?
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If you do it yourself, which is certainly possible... Free, at tony's shop, it can be installed as well at a discount. Or most shops will charge you 1-2 hours for labor, whatever their rate is.
Quote:
Originally Posted by bigdog1250
I haven't heard any hiss yet, it just sounds F$#king gnarly and mean and when you get back fire/exhaust gargle when letting off its beautiful!
Today it felt more powerful too 
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That gargle is the 'FI Hiss' they're referring to.