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Okay, so who thinks they know something about ceramic coated headers?
Both company A and company B have stepped headers. Company A puts the ceramic coating on the inside of the pipes and company B puts it on the outside of the pipes.
Is there an advantage to one way versus the other?
Is there less heat with one over the other?
How about performance wise?
Pushing the heat out the back?
Just stay away from Swain Tech White Lightning "true" ceramic. Supposed to be the best **** ever (yeah I fell for it), good to over 3000F, but it burned off up near the head, and they tried to explain to me how some exhaust components could experience some surface cracking of the coating. I asked all the questions before I used their service and they assured me that there was no expansion compatability issues with the stainless base metal. Hey screw these guys, very slow, expensive, don't follow masking instructions, big attitude, and they don't stand stand behind their product. At least I found out before doing any internals.
Performance Coatings; inside and out and stepped headers do make a difference. if you are buying head pipes, buy stepped and three steps is better than two.
Performance Coatings; inside and out and stepped headers do make a difference. if you are buying head pipes, buy stepped and three steps is better than two.
Stepping is usually employed to compensate for poor bends and/or improperly sized primaries and/or collectors. Give me a well-engineered pipe before a less expensive stepped one any day of the week.
Of course, this is on a low-powered Harley V-Twin. Give me a big V-8 flowing massive amounts of air, and stepping the headers becomes worthwhile (assuming that the headers are engineered and flow-tested properly).
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