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01-07 Duramax MAF Bung
Code: GRD661016
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Billet aluminum MAF bung for 2001-2007 LB7, LLY & LBZ Duramax. The bottom side has a 4.5″ radius machined to fit any 4″ or 5″ tube and includes 2 stainless socket head mounting screws for the MAF sensor.
If you are trying to build your own turbo setup this may be just the part your looking for. Steel weld-on HX40 flange with a machined recess for 4″ pipe.
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