{"nhtsa_id":10147344,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2018-11-13","date":"2018-10-02","document_id":"PIC5985C","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING:EXHAUST SYSTEM","mfr_system":null,"summary":"This Preliminary Information communication provides information to the technician about customers that would like to install Regular Production Option Code NPP (Dual Mode Performance Exhaust System) to a Stingray that was produced without the option. Do not attempt to add Regular Production Option Code NPPto a car that was not manufactured with it. General Motors does not support the software changes that are required.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2018/MC-10147344-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2018/MC-10147344-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10147344","components":[{"id":"engine","name":"Engine","parent":null},{"id":"exhaust-emissions","name":"Exhaust and emissions","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"CORVETTE","year_from":2014,"year_to":2019,"match":"exact","vehicle_ids":["2014_chevrolet_corvette","2015_chevrolet_corvette","2016_chevrolet_corvette","2017_chevrolet_corvette","2018_chevrolet_corvette","2019_chevrolet_corvette"]}],"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":[]}