It's not necessary to use sealant on the gaskets. Fel-Pro's do with the silver looking stuff, but most exhaust manifolds come with their own sealant, or they are metal and don't require it.
Can you use silicone sealant on exhaust?
That'll be fine. The factory just specifies a normal silicone RTV translucent stuff for the pipe/silencer joint. If the joint is manufactured with some precision, like on the Arrow pipes, there's no need to add any sealant.Mar 29, 2011
Do you put gasket sealer on both sides of the gasket?
Many mechanics will use an RTV gasket maker to hold a conventional or cut gasket in place during assembly. Some mechanics will even use the RTV gasket maker as a dressing, coating both sides of the gasket.Jul 10, 2017
Should I put silicone on a gasket?
NEVER use silicone on both sides of the gasket, the gasket will slip and slide all over the place instead of staying put and clamping down. Another substitute for the high tack is Copper Coat (in the copper spray can).Mar 31, 2017
What is the best exhaust gasket sealant?
Permatex Ultra Copper Maximum Temperature RTV Silicone Gasket Maker is the most advanced, high temp RTV silicone gasket available. Three times more oil resistant than conventional silicones and eight times more flexible than cut gaskets, it is sensor-safe, low odor, and non-corrosive with superior adhesion.
Can gasket maker be used on exhaust?
Permatex Ultra Copper Maximum Temperature RTV Silicone Gasket Maker is designed for high operating temperatures, turbocharger applications, and exhaust systems. The most advanced, high temp RTV silicone gasket maker available. Sensor-safe, low odor, non-corrosive.