1 Fast SS Posted February 15, 2007 Report Share Posted February 15, 2007 Anybody else notice the hissing noise when you drive by something close on your drivers side? Its not the Volant cuz that has a whislte to it. But I've noticed that my truck has this sound. It's alittle louder now that I put on Pacesetters on, but it was still there before that. Everything seems to be fine, no codes come up or anything. I only hear it when I drive by something, like a wall or or another car, something that will reflect the noise back. I think it might the GM product because my GMC did the same thing. Quote Link to comment Share on other sites More sharing options...
desrtrat Posted February 15, 2007 Report Share Posted February 15, 2007 i had a hiss also after i put on my gibson cat back, only when i was under power. i found one of my clamp at tha connector pipe needed to be tighten up a little more. not all exaust leaks sound alike...... good luck Quote Link to comment Share on other sites More sharing options...
perk03z06 Posted February 15, 2007 Report Share Posted February 15, 2007 I only have a hissing noise in my truck when I'm taking my pet snake to the vet. Quote Link to comment Share on other sites More sharing options...
mbpsychoSS Posted February 16, 2007 Report Share Posted February 16, 2007 Fuel pump mabey................... Quote Link to comment Share on other sites More sharing options...
1 Fast SS Posted February 17, 2007 Author Report Share Posted February 17, 2007 Fuel pump mabey................... That could be it. I didn't think about the fuel pump. Maybe it got louder since I had my tune. Quote Link to comment Share on other sites More sharing options...
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