General Motors option code
UP8 — Dual Front and Rear Speakers
UP8 (Dual Front and Rear Speakers): a General Motors factory option code recorded on 1 model across 1978–1981, with installs and price where a source states them.
1 model · 3 model years · 3 sources
Every sourced appearance
| Year | Model | As named that year | Price | Installs |
|---|---|---|---|---|
| 1978 | Pontiac Firebird and Trans Am | Dual Rear Speakers RPO/UPC | Unknown | Unknown |
| 1980 | Pontiac Firebird and Trans Am | Dual Front and Rear Speakers RPO/UPC | $43 | Unknown |
| 1981 | Pontiac Firebird and Trans Am | Dual Front and Rear Speakers RPO/UPC | $42 | Unknown |
Every row traces to the source it links from on that model's own year page; this table only collects them in one place.