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Exaust system

redsnapper386

Regular Contributor
"guys,im considering changing

"guys,im considering changing out my system with glm cast iron hp headers,risers.this is going from 3"to 4".are there any issues with glm.i found a good price on e-bay.advice.thanks."
 
"Ayuh,...

Do you mean Other


"Ayuh,...

Do you mean Other than the fact they're Chinese Junk...

I've got a set,...
I almost lost my motor to Hydro-lock with them,..
I pulled them off,+ had the manifold/riser gasket surfaces machined down .015" to Flatten them...
The Inner surface was Lower than the outer surface...
They were leaking into my motor before I fixed 'em...

I've also heard of other guys having issues with the porosity of the casting in general...

If you decide to try 'em,...
Inspect them Very Closely before installing..."
 
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