Exhaust Leak - Pontiac G8 Forum: G8 Forums - G8Board.com
 
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post #1 of 2 (permalink) Old 03-24-2010, 08:16 AM Thread Starter
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Join Date: Nov 2008
Location: Elkridge, MD
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Exhaust Leak

So, I put my long tube headers + catted x pipe on (used stock axle backs) last weekend. It appears that I have an exhaust leak, mainly where the cats go into the x-pipe. I can hear a hiss when i accelerate, and i got under the car yesterday and there was some carbon deposits (black stuff) at the seems (there was more at the passenger side seem between cat and x pipe, but there was a very small amount at all the seems).

has anyone else had this problem/any advice on how to fix this? it looks like the notch in the xpipe/cat might be contributing to the leak...
cmlease is offline  
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post #2 of 2 (permalink) Old 10-23-2010, 05:05 PM
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Location: hazlet nj
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i changed the clamps to the band clamps and it solved my problems
hayabusa160 is offline  
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