Fits 1978 to 1988 Chevrolet El Camino, Malibu, Monte Carlo, and 2 more makes. See every vehicle
Doug's is the pioneering force behind the popular TRI-Y design for cars and trucks. The unique, shortend, paired primary tubes increase mid-range torque without sacrificing top end power. TRI-Y's are a great choice for daily drivers and heavy duty trucks looking to increase power from idle up to 4500 RPM while maintaining maximum fuel efficiency.
| Year | Make | Model | Engine |
|---|---|---|---|
| 1978 | Chevrolet | El Camino | 5.0L 305 V8, 5.7L 350 V8 |
| 1979 | Chevrolet | El Camino | 4.4L 267 V8, 5.0L 305 V8, 5.7L 350 V8 |
| 1980 - 1982 | Chevrolet | El Camino | 4.4L 267 V8, 5.0L 305 V8 |
| 1983 - 1984 | Chevrolet | El Camino | 5.0L 305 V8, 5.7L 350 V8 |
| 1985 - 1987 | Chevrolet | El Camino | 5.0L 305 V8 |
| 1978 | Chevrolet | Malibu | 5.0L 305 V8, 5.7L 350 V8 |
| 1979 - 1982 | Chevrolet | Malibu | 4.4L 267 V8, 5.0L 305 V8, 5.7L 350 V8 |
| 1983 | Chevrolet | Malibu | 5.0L 305 V8, 5.7L 350 V8 |
| 1978 | Chevrolet | Monte Carlo | 5.0L 305 V8 |
| 1979 - 1981 | Chevrolet | Monte Carlo | 4.4L 267 V8, 5.0L 305 V8 |
| 1982 | Chevrolet | Monte Carlo | 4.4L 267 V8, 5.0L 305 V8, 5.7L 350 V8 |
| 1983 - 1984 | Chevrolet | Monte Carlo | 5.0L 305 V8, 5.7L 350 V8 |
| 1985 - 1988 | Chevrolet | Monte Carlo | 5.0L 305 V8 |
| 1978 - 1979 | Oldsmobile | Cutlass | 5.0L 305 V8, 5.7L 350 V8 |
| 1980 | Oldsmobile | Cutlass | 5.0L 305 V8 |
| 1983 - 1986 | Pontiac | Bonneville | 5.0L 305 V8 |
| 1978 - 1980 | Pontiac | Grand Prix | 5.0L 305 V8 |
| 1983 - 1987 | Pontiac | Grand Prix | 5.0L 305 V8 |