OEM Part No:394569SPipe: 1/2″Fits Briggs & Stratton 4 hp 110000 series, universal muffler. Fits models 080202, 080212, 080232, 090702, 090706, 090707, 090708, 090782, 090787, 090788, 090902, 092502, 092508, 092582, 092902, 092905, 092906, 092907, 092908, 092982, 092987, 092988, 092992, 092998, 093502, 093505, 093507, 093508, 093582, 093587, 093588, 093902, 093906, 093982, 095902, 095982, 096502, 096582, 096902, 096982, 098902, 098982, 09B902, 09D902, 09D982, 09E902, 09G902, 09H902, 09J902, 09K502, 09K902, 09L502, 09L602, 09L702, 09L902, 09M902, 09S502, 09T502, 09T602, 09T702, 09T802, 10A902, 10A912, 10A982, 10B902, 10D902, 10D912,10D982, 10E902, 10G902, 10H902, 10J902, 10J912, 10K902, 10L502, 10L602, 10L702, 10L802, 10L902, 10M902, 10M912, 10N902, 10T502, 10T602, 10T702, 10T802, 10T812, 110702, 110707, 110708, 110782, 110787, 110788, 110792, 110902, 110907, 110908, 110982, 110987, 110988, 111702, 111707, 111708, 111782, 111787, 111788, 111902, 111982, 111992, 112201, 112202, 112212, 112231, 112232, 112252, 112292, 112702, 112782, 112902, 112982, 114702, 114707, 114708, 114782, 114787, 114788, 114902, 114908, 114982, 114987, 114988, 130201, 130202, 130203, 130206, 130207, 130212, 130231, 130232, 130237, 130252, 130292, 130293, 130296, 130297, 133702.Length -2 7/16″OD – 3 1/8″Pipe Thread – 1/2″