{"nhtsa_id":11008451,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2024-10-04","date":"2024-09-09","document_id":"No. 21-19","mfr_campaign":null,"replaces":null,"component":"ENGINE","mfr_system":null,"summary":"Installation and conversion instructions for the sports exhaust system on the 911.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2024/MC-11008451-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2024/MC-11008451-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11008451","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"PORSCHE","model":"911","year_from":2020,"year_to":2023,"match":"exact","vehicle_ids":["2020_porsche_911","2021_porsche_911","2022_porsche_911","2023_porsche_911"]},{"make":"PORSCHE","model":"911 CARRERA","year_from":2020,"year_to":2024,"match":"base","vehicle_ids":["2020_porsche_911","2021_porsche_911","2022_porsche_911","2023_porsche_911","2024_porsche_911"]},{"make":"PORSCHE","model":"911 CARRERA 4","year_from":2023,"year_to":2023,"match":"base","vehicle_ids":["2023_porsche_911"]},{"make":"PORSCHE","model":"911 CARRERA 4S","year_from":2023,"year_to":2023,"match":"base","vehicle_ids":["2023_porsche_911"]},{"make":"PORSCHE","model":"911 CARRERA S","year_from":2020,"year_to":2021,"match":"base","vehicle_ids":["2020_porsche_911","2021_porsche_911"]},{"make":"PORSCHE","model":"911 CARRERA S","year_from":2023,"year_to":2023,"match":"base","vehicle_ids":["2023_porsche_911"]},{"make":"PORSCHE","model":"911 TARGA 4","year_from":2020,"year_to":2021,"match":"base","vehicle_ids":["2020_porsche_911","2021_porsche_911"]},{"make":"PORSCHE","model":"911 TARGA 4","year_from":2023,"year_to":2023,"match":"base","vehicle_ids":["2023_porsche_911"]},{"make":"PORSCHE","model":"911 TARGA 4S","year_from":2023,"year_to":2023,"match":"base","vehicle_ids":["2023_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":[]}