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View Full Version : exhaust manifold upgrades???



srcoffee
07-12-2010, 07:54 PM
Are there any performance manifolds that would be better than my stock manifolds. I just had my motor rebuilt 40 over. I have one bad manifold and am probably going to buy two new ones anyway.

NeilMcg
11-15-2010, 01:03 AM
I really don't think the manifold is going to add anything to your boating experience. Think of your family and friends and what that means out on the water.....especially the little one who giggles like crazy as you gently tube them on the water. There are many other things to spend money on.
Just my opinion.

sybrmike
11-15-2010, 09:55 AM
Yeah, they're available but hi-po = high $. Fabricated s/s tubular water jacketed headers run $1-2k. I'd stick with the standard cast iron.

beast 496
01-16-2011, 10:52 AM
In cast Iron the PCM or Indmar is about as good as it gets. Excellant flow for torque and WOT operating. More performance can be had with proping. Al