96451 – Pipe Fitting (1-1/4 – 11-1/2 NPT x 1-1/2 – 11-1/2 NPT) (optional) – Carbon SteelIncluded with Muffler Kit. Not shown in diagram.

Pipe Fitting (1-1/4 – 11-1/2 NPT x 1-1/2 – 11-1/2 NPT) (optional) – Carbon SteelIncluded with Muffler Kit.
Not shown in diagram. – Item: 66M320-1EB-C – Air Section