{"nhtsa_id":10010778,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2004-12-13","date":"2002-09-13","document_id":"0204","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING:EXHAUST SYSTEM","mfr_system":null,"summary":"SPORT EXHAUST SYSTEM LOW SPEED NOISE. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/10010778","components":[{"id":"engine","name":"Engine","parent":null},{"id":"exhaust-emissions","name":"Exhaust and emissions","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"PORSCHE","model":"911 CARRERA","year_from":2001,"year_to":2002,"match":"base","vehicle_ids":["2001_porsche_911","2002_porsche_911"]}],"as_of":"2026-10-19","note":"A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.","attribution":[]}