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The sound, I'm quessing a chirping squeedgy sound, is prob what I had. Leaky manifold gasket. Make sure the gaskets are installed correctly. You should be using the factory gaskets. (they can b tricky). I had to replace the drivers side.
You'll need to push the cat back up as far as possible (I used a tire jack), then tighten down the clamps then the cats/off road pipe. It'll stay put then.
No, It is not good to run without front 02. Do not drive it till you replace it.
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2010 Inferno Orange 2SS/RS M6 Black Leather, Sun Roof, OBX Headers, Borla touring axle back, Cold Air Inductions CAI , non synthetic fluids, BMR total bushing upgrade/1" lowering springs, DSE 32mm rear sway bar. GM fe4 shocks/struts/LCA's, AAM 3.91 diff, Vertini RFS1.8 20x9 +30. Conti ExtremeContact Sport 275/35/20. sjm autoprod ABL dash kit. Mike Norris tuned 413/419.
Avenging Orange: 43 years of not buying into the Hype........and damn proud of it!!
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