Huck

Ok guys I need your help on this one. I'm wondering if you guys have any cool tips or tricks to finding an exhaust leak. I recently installed my FI headers, and there's a loud hiss sound coming from somewhere near the passenger side O2 sensors. I can't pinpoint the location exactly. So far I've tried using a stethoscope and a smoker machine. The smoker uses baby oil to produce a vapor which it then pumps through the muffler into the exhaust system while you block everything else off. We pumped at about 7lbs pressure and found a few tiny leaks, but the sound is still there. I have checked every bolt and everything seems to be tight. I'm gonna try putting some sea foam in the intake manifold and see if I can find something that way. Do you guys have any other suggestions? This sound is driving me nuts, so I really appreciate any help you can give.


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