O.S. Engines 72414000 Induction Silencer .12/.21 INS, 72414000This is the optional Induction Silencer for use on the O.S. 12XZ Speed Tuned Spec II Engine.Features:Reduces noise level with very little loss of powerDeveloped for .12 - .21 cu in on-road enginesEFRA/INMAR approved (INS200902)Plastic cover, foam element and rubber baseIncludes:Top and bottom plastic sections, rubber base with foam element, zip tie, four 2.6 x 8mm countersunk screws and instruction sheetRequires:Air Filter Oil, OSMG2352Specs:Diameter: 1.9" (47.5mm)Height: 1.96" (50mm)Weight: 0.67oz (19g)This product is compatible with the following Model(s):
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