header wrap

There is titanium header wrap with fiberglass or pulverized lava rock so which is the better one to use.

Next should the wrap be wet when it is applied.
 
It's real important to tune the engine AFR correct across the board with header wrap. Traps in heat and helps make more torque and Hp.
But bad tune will cause a meltdown or crack wrapped headers.
Good on Turbo cars.
Normal aspirated drag in summer heat may cause issues with welds cracking.
Get different opinions.
 
I like the DEI titanium stuff and have had great success repeating the steps in this short instructional video from DEI..

 
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