Quote:
Originally Posted by SM5654
Just installed HFC and exhaust... Have any of y'all heard a hissing noise when you let off the throttle? Wasn't here til after the install... Any thoughts Tony? It goes away when I throttle back on, weird.
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That is the famed F.I. Exhaust hiss. There is nothing wrong with your setup, nothing to worry about.
After a while I learned to like it. lol It's like an odd sounding blowoff valve, so if I'm riding next to someone in their little civic, I downshift for the rev matching and let the hiss just catch their attention lol. They don't look so happy when they go off dragging coke cans down the street behind them
