Quote:
Originally Posted by cody
Picking up some exhaust manifolds that are ported and polished. How much to get them thermal coated? Do you recommend getting the stock midpipe coated too? Just the outside right? Should I drill and tap for EGT probe before or after?
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You can buy the same stuff Grimmspeed uses in a can. Spray it on, then run the car through a few heat cycles to cure it. The exhaust itself gets plenty hotter than an oven.
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