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quick exhaust ????\'s

I keep hearing this "pffffffffff" when I get high in the powerband that sounds as if my exhaust has a leak.Ive checked the header , and cant hear or feel anything coming from there.Ive got the magnaflow with those DARN clamps , I checked and made sure that they were tight as ****.......but I still hear it!?!?!?! Thought about getting the exhaust welded together , but I need a cat first or they wont touch it.Any Ideas as to what this noise is or does anyone in Jersey do welding??LOL thanks ,

cory
 

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Re: quick exhaust ????\'s

Try this one. Whenever you install a clamp together system use a bead of RTV High Temp Silicone Sealer. Make sure it gets a least 1" inside the overlapping pipe of muffler. Install your clamps as close to the outside edge as you can. It wont leak. I actually use Anti Seize paste to coat the inner 3/4's of the joint then the silicone on the outer 1/4. This makes it EZ to remove later too(like when I sell the car).
 
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