Exhaust paste or silicone?

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5,725
Location
Atlanta,GA
Thinking about adding a bold on exhaust. The kit comes with a sleeve and the connection is made about 1 foot from the muffler. Wouldn't a silicone product be fine for sealing the sleeve?
 
Messages
9,125
Location
Marshfield , MA
Originally Posted By: Silverado12
I've used the orange Permatex, but couldn't honestly tell you if that really did anything or not. It didn't leak, though.
The orange is good for 500F. I use it mending cat backs on the BMWs. Works really well. Heat cycling doesnt bother it. Silica based stuff needs to be very clean and rigid.Water helps. grin2
 
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