Possible header tick

[simonsd0708]

So, just installed Texas speed catted headers. All the connectors are that ball and flare fitting style like the stock cat back to y-pipe fitting. I’ve gone through a couple heat cycles and tightened them all up, clamps can’t be tightened any further. I think I MAY have a leak (hard to tell, it’s not the typical “tick tick tick” noise) or maybe it’s just the sound of the air passing through the tubing.

 

I hear no noise while cruising, and at very light throttle I hear nothing. Past that I can hear a tss tss tss noise coming from under the truck. If it is a leak, how would I go about sealing those types of connections. Only thing I could think of is putting strips of aluminum foil on the inside of the band clamp and then putting the clamp on and tightening back up. Any thoughts or tips are appreciated. Truck runs great though! Definitely quicker!

 

 

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[Lsgun1]

There's a paste you can use for exhaust joints. Are you sure you're just not hearing more noise from the engine? Going from the thick steel factory manifolds to much thinner stuff for headers makes other sounds noticeable.

[simonsd0708]

There's a paste you can use for exhaust joints. Are you sure you're just not hearing more noise from the engine? Going from the thick steel factory manifolds to much thinner stuff for headers makes other sounds noticeable.

I just went underneath on a cold start and saw fumes coming from the collector. But it does for sure leak on cold start, it doesn’t seem to make the same noise once I’ve been driving for 5 minutes.


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