Not Ranked
OK I asked the chemist
If there is any packing (fiberglass strands) in the pipes, it should be mechanically removed from them prior to chrome plating. If it is not removed mechanically. it could be done chemically, but that is unlikely. If any remains in the sidepipe during plating, it will turn into a mat, similar to a scotchbrite pad. That will make it very innefective at absorbing sound vibrations. Also, if any is in there, it may act like a sponge and hold some chromic acid which is really nasty stuff, until your exhaust spreads it all over the local atmospere. If you have stainless steel wool packing, it will mat up during chroming or ceramic coating, and thus get louder. At least this is what the chemist at work told me, I never got better than C+ in chemistry.
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In a fit of 16 year old genius, I looked down through the carb while cranking it to see if fuel was flowing, and it was. Flowing straight up in a vapor cloud, around my head, on fire.
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