Craftsman/Porter-Cable oil-less air compressor noise suppressor (muffler)

This is a noise supressor/muffler for the intake on certain models of Craftsman and Porter-Cable oil-less compressors. Specifically for compressor heads that use filter/intake part #CAC-1371 or similar (see images). This design is also only meant to be used with a flexible plastic like TPU or similar. You need it to be flexible for a snug slip fit over the stock assembly.

The specific compressor I designed it for is an older Craftsman 30 Gal. upright, model 919.167310, onto which this suppres