{"nhtsa_id":10001781,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2003-06-26","date":"2003-05-23","document_id":"2601","mfr_campaign":null,"replaces":"602","component":"ENGINE AND ENGINE COOLING:EXHAUST SYSTEM","mfr_system":null,"summary":"EXHAUST SYSTEM/SPORTS EXHAUST SYSTEM. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/10001781","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":1999,"year_to":1999,"match":"base","vehicle_ids":["1999_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":[]}