EXHAUST MANIFOLD COMPARISON
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The following photos are of two different manifolds showing the poor quality and difference in size of random manifolds .
They are untouched and as they came from the factory !!
These show the difference in size on the exhaust manifolds ;
Bigger the better !!!
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Photo below is showing just one of the port sizes on the smaller port manifold
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Photo below is showing just one of the port sizes on the larger port manifold
Both measurements are just rough ones and the carbon was still in the ports .
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