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Porter’s Shorty Mufflers

SKU: PM3520014 ISBN:
Select Inlet/Outlet Diameter
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Body Length- 14" Overall Length- 20"

Porter Mufflers shorty mufflers are exactly the same as the Original Porter Muffler but features a 14" body length vs. the standard 20" body length to accommodate applications that require a tighter fit. The stainless steel Porter Muffler is handmade using heavy-duty 16 gauge, highly polished aircraft grade, 304 stainless tubings. Our uniquely designed interior chamber is fitted with a gapped steel spiral core and packed with stainless steel wool to channel the exhaust and make that distinctive Porter Muffler sound. To continue our tradition of quality, each Porter Muffler is handmade using only the best heavy gauge and high-quality steel products sourced in the U.S.A.



Inlet/Outlet Diameter

Body Diameter


Internal Diameter

Part Number
Ceramic-Painted Blue 2.00 3.5 1.375 PM3520014
Stainless Steel

2.00 3.5 1.375

Ceramic-Painted Blue 2.25 4.0 2.00 PM4022514
Stainless Steel 2.25 4.0 2.00 SSPM4022514
Ceramic-Painted Blue 2.50 4.0 2.00 PM4025014
Stainless Steel 2.50 4.0 2.00 SSPM4025014
Ceramic-Painted Blue 3.00 4.0 2.00 PM4030014
Stainless Steel 3.00 4.0 2.00 SSPM4030014

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