extrude hone exhaust maniflod question May 17, 2020 06:42PM
Maybe I have way too much extra time on my hands. Pondering if extrude hone would be an advantage on a stock cast iron diesel exhaust manifold? Seems that the smoother surface would speed up exhaust flow some.
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Re: extrude hone exhaust maniflod question May 18, 2020 12:11AM
ive been wanting to do the same do u know of any companys? I only find one when I google it and its in CA.
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Re: extrude hone exhaust maniflod question May 18, 2020 12:46AM
Yes it does help quite a bit. it is well worth the time.
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Re: extrude hone exhaust maniflod question May 18, 2020 04:56AM
They have a facility in Irwin Pa outside of Pittsburgh Pa.

[extrudehone.com]

Rich
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