| vehicle | engine | year | engine family | California EO # | description |
|---|---|---|---|---|---|
| PORSCHE 911 | 2.7L | 1975 | |||
| PORSCHE 911 | 3.0L | 1976 | |||
| PORSCHE 911 | 3.0L | 1977 | |||
| PORSCHE 911 | 3.0L | 1978 | |||
| PORSCHE 911 | 3.0L | 1979 | |||
| PORSCHE 911 | 3.0L | 1980 | |||
| PORSCHE 911 | 3.0L | 1981 | |||
| PORSCHE 911 | 3.0L | 1982 | |||
| PORSCHE 911 | 3.0L | 1983 | |||
| PORSCHE 911 | 3.2L | 1984 | |||
| PORSCHE 911 | 3.2L | 1985 | |||
| PORSCHE 911 | 3.2L | 1986 | |||
| PORSCHE 911 | 3.2L | 1987 | |||
| PORSCHE 911 | 3.2L | 1988 | |||
| PORSCHE 911 | 3.2L | 1989 |
Do It Yourself Bolt-on installation
It may require basic automotive knowledge for proper installation and professional installation is always recommended.