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'09 vortec port/polish

Jonnypipefit

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Jonnypipefit New Member

Jonnypipefit

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Put shorty headers on 09 5.3 Silverado and noticed exhaust ports have potential of being porting. Is this possible and worth doing? Please don't say shorty headers suck, I have heard this enough

NASCARWheels Enthusiast

NASCARWheels

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Posted

It is certainly possible. Are they stainless steel or cast? You can use the gaskets to trace a pattern and ensure you don't open them up too much. The gains are going to depend on supporting modifications.

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