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I would recommend both. I had my headers coated inside and out and just the outside of the X-pipe coated. I was very happy with my decision as the tunnel temp is way down and the inside of the car does not get nearly as hot as it used to. Also, I have no concerns of melting wires.
I would recommend both. I had my headers coated inside and out and just the outside of the X-pipe coated. I was very happy with my decision as the tunnel temp is way down and the inside of the car does not get nearly as hot as it used to. Also, I have no concerns of melting wires.
j.
You have already won by picking ceramic. If they dont charge u to much to do the X why not. Ask them about cats and heat before you do the X. I am not sure its an issue as more heat will be carried away from the engine through the exhaust.
Robin
Ceramic cools really quickly also.
Im doing the headers and x pipe.
No issues with the x pipe as only the outside is coated.
I want to do this to keep temps down as it does get hot with stock system in the cabin.
In the long run should I do further mods, its already done.