Posted by Todd [184.108.40.206] on Tuesday, August 29, 2023 at 10:26:50 :
In Reply to: Dual headers/ dual exhaust? posted by DDD [220.127.116.11] on Tuesday, August 29, 2023 at 08:45:02 :
I think of headers as being smooth walled steel tubes with either equal length tubes or specific lengths tuned for a specific engine. The manifolds in the link look to be cast iron with unequal length exhaust lengths, and most likely rough cast walls. If I was going to spend time and money on changing the exhaust to get more performance out of the engine, I would go with steel tube headers. I would go with a performance freer flowing muffler rather than glass packs.
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