
DynoMax 89004 - Header-Back Dual Exhaust Kits
DynoMax Header-Back Dual Exhaust Kits are perfect for enthusiasts who want to create their own custom exhaust systems! The kits will allow for custom-tailoring the exhausts to fit vehicles with non-OEM aftermarket headers. The kits are made with long, 16-guage aluminized steel for longevity and durability, and have tailpipes exit out the sides. They come packaged with all the hardware needed for installation. Mufflers need to be purchased separately.
Key Features:- Header Dual Kit
- 2.25 in. Tube Size
- Incl. Reducers
- Exhaust Pipes
- 16 Ga. Tail Pipe w/Side Exits
- Hardware
- Does Not Incl. Mufflers

DynoMax Performance Exhaust is one of the major market leaders in the aftermarkets autoparts industry. The company manufactures a wide range of premium exhaust products which maximize performance and improve sound. They also offer an extensive collection of performance and replacement exhaust pipes, bends, crossover pipes, cutouts, reducers, mounting hardware and other exhaust accessories.
Year | Make | Model | Submodel | Engine Size | Cab and Bed Style |
---|---|---|---|---|---|
1973 - 1974 | CHEVROLET | K10 | BASE | 5.7L V8 GAS, 5.7L V8 LPG | Regular Cab w/96.0 in./8 ft. Bed |
1975 - 1980 | CHEVROLET | K10 | CHEYENNE, Custom Deluxe, SCOTTSDALE, SILVERADO | 5.7L V8 GAS, 6.6L V8 GAS | Regular Cab w/96.0 in./8 ft. Bed |
1981 | CHEVROLET | K10 | SCOTTSDALE, SILVERADO | 5.7L V8 GAS | Regular Cab w/96.0 in./8 ft. Bed |
1982 - 1986 | CHEVROLET | K10 | CUSTOM, SCOTTSDALE, SILVERADO | 5.7L V8 GAS | Regular Cab w/96.0 in./8 ft. Bed |
1973 - 1974 | CHEVROLET | K10 SUBURBAN | BASE | 5.7L V8 GAS, 5.7L V8 LPG | |
1975 - 1979 | CHEVROLET | K10 SUBURBAN | Custom Deluxe, SCOTTSDALE, SILVERADO | 5.7L V8 GAS, 6.6L V8 GAS | |
1980 | CHEVROLET | K10 SUBURBAN | Custom Deluxe, SCOTTSDALE, SILVERADO | 5.7L V8 GAS | |
1981 | CHEVROLET | K10 SUBURBAN | CUSTOM, DELUXE, SCOTTSDALE, SILVERADO | 5.7L V8 GAS | |
1982 - 1986 | CHEVROLET | K10 SUBURBAN | CUSTOM, SCOTTSDALE, SILVERADO | 5.7L V8 GAS | |
1973 - 1974 | CHEVROLET | K20 | BASE | 5.7L V8 GAS, 5.7L V8 LPG | Regular Cab w/96.0 in./8 ft. Bed |
1975 - 1980 | CHEVROLET | K20 | CHEYENNE, Custom Deluxe, SCOTTSDALE, SILVERADO | 5.7L V8 GAS, 6.6L V8 GAS | Regular Cab w/96.0 in./8 ft. Bed |
1981 | CHEVROLET | K20 | CHEYENNE, CUSTOM, DELUXE, SCOTTSDALE, SILVERADO | 5.7L V8 GAS | Regular Cab w/96.0 in./8 ft. Bed |
1982 - 1986 | CHEVROLET | K20 | CUSTOM, SCOTTSDALE, SILVERADO | 5.7L V8 GAS | Regular Cab w/96.0 in./8 ft. Bed |
1973 - 1974 | CHEVROLET | K20 SUBURBAN | BASE | 5.7L V8 GAS, 5.7L V8 LPG | |
1975 - 1980 | CHEVROLET | K20 SUBURBAN | Custom Deluxe, SCOTTSDALE, SILVERADO | 5.7L V8 GAS, 6.6L V8 GAS | |
1981 | CHEVROLET | K20 SUBURBAN | CUSTOM, DELUXE, SCOTTSDALE, SILVERADO | 5.7L V8 GAS | |
1982 - 1986 | CHEVROLET | K20 SUBURBAN | CUSTOM, SCOTTSDALE, SILVERADO | 5.7L V8 GAS | |
1973 - 1974 | CHEVROLET | K30 | BASE | 5.7L V8 GAS, 5.7L V8 LPG | Regular Cab w/96.0 in./8 ft. Bed |
1977 - 1980 | CHEVROLET | K30 | CHEYENNE, Custom Deluxe, SCOTTSDALE, SILVERADO | 5.7L V8 GAS, 6.6L V8 GAS | Regular Cab w/96.0 in./8 ft. Bed |
1981 | CHEVROLET | K30 | CHEYENNE, CUSTOM, DELUXE, SCOTTSDALE, SILVERADO | 5.7L V8 GAS | Regular Cab w/96.0 in./8 ft. Bed |
1982 - 1986 | CHEVROLET | K30 | CUSTOM, SCOTTSDALE, SILVERADO | 5.7L V8 GAS | Regular Cab w/96.0 in./8 ft. Bed |
1987 | CHEVROLET | V10 | Custom Deluxe, SCOTTSDALE, SILVERADO | 5.7L V8 GAS | Regular Cab w/96.0 in./8 ft. Bed |
1987 | CHEVROLET | V10 SUBURBAN | Custom Deluxe, SCOTTSDALE, SILVERADO | 5.7L V8 GAS | |
1987 | CHEVROLET | V20 | Custom Deluxe, SCOTTSDALE, SILVERADO | 5.7L V8 GAS | Regular Cab w/96.0 in./8 ft. Bed |
1987 | CHEVROLET | V20 SUBURBAN | Custom Deluxe, SCOTTSDALE, SILVERADO | 5.7L V8 GAS | |
1987 | CHEVROLET | V30 | Custom Deluxe, SCOTTSDALE, SILVERADO | 5.7L V8 GAS | Regular Cab w/96.0 in./8 ft. Bed |
1975 - 1978 | GMC | K15 SUBURBAN | BASE, High Sierra, Sierra Classic, Sierra Grande | 5.7L V8 GAS, 6.6L V8 GAS | |
1973 - 1974 | GMC | K15/K1500 SUBURBAN | BASE | 5.7L V8 GAS, 5.7L V8 LPG | |
1973 - 1974 | GMC | K1500 | BASE | 5.7L V8 GAS, 5.7L V8 LPG | Regular Cab w/96.0 in./8 ft. Bed |
1975 - 1976 | GMC | K1500 | BASE, High Sierra, Sierra Classic, Sierra Grande | 5.7L V8 GAS, 6.6L V8 GAS | Regular Cab w/96.0 in./8 ft. Bed |
1978 - 1980 | GMC | K1500 | BASE, High Sierra, Sierra Classic, Sierra Grande | 5.7L V8 GAS, 6.6L V8 GAS | Regular Cab w/96.0 in./8 ft. Bed |
1977 | GMC | K1500 | BASE, High Sierra, Indy Hauler, Sierra Classic, Sierra Grande | 5.7L V8 GAS, 6.6L V8 GAS | Regular Cab w/96.0 in./8 ft. Bed |
1981 - 1982 | GMC | K1500 | BASE, High Sierra, Sierra Classic, Sierra Grande | 5.7L V8 GAS | Regular Cab w/96.0 in./8 ft. Bed |
1983 - 1986 | GMC | K1500 | BASE, High Sierra, Sierra Classic | 5.7L V8 GAS | Regular Cab w/96.0 in./8 ft. Bed |
1979 - 1980 | GMC | K1500 SUBURBAN | BASE, High Sierra, Sierra Classic, Sierra Grande | 5.7L V8 GAS, 6.6L V8 GAS | |
1981 - 1982 | GMC | K1500 SUBURBAN | BASE, High Sierra, Sierra Classic, Sierra Grande | 5.7L V8 GAS | |
1983 - 1986 | GMC | K1500 SUBURBAN | BASE, High Sierra, Sierra Classic | 5.7L V8 GAS | |
1975 - 1978 | GMC | K25 | BASE, High Sierra, Sierra Classic, Sierra Grande | 5.7L V8 GAS, 6.6L V8 GAS | Regular Cab w/96.0 in./8 ft. Bed |
1975 - 1978 | GMC | K25 SUBURBAN | BASE, High Sierra, Sierra Classic, Sierra Grande | 5.7L V8 GAS, 6.6L V8 GAS | |
1973 - 1974 | GMC | K25/K2500 | BASE | 5.7L V8 GAS, 5.7L V8 LPG | Regular Cab w/96.0 in./8 ft. Bed |
1973 - 1974 | GMC | K25/K2500 SUBURBAN | BASE | 5.7L V8 GAS, 5.7L V8 LPG | |
1979 - 1980 | GMC | K2500 | BASE, High Sierra, Sierra Classic, Sierra Grande | 5.7L V8 GAS, 6.6L V8 GAS | Regular Cab w/96.0 in./8 ft. Bed |
1981 - 1982 | GMC | K2500 | BASE, High Sierra, Sierra Classic, Sierra Grande | 5.7L V8 GAS | Regular Cab w/96.0 in./8 ft. Bed |
1983 - 1986 | GMC | K2500 | BASE, High Sierra, Sierra Classic | 5.7L V8 GAS | Regular Cab w/96.0 in./8 ft. Bed |
1979 - 1980 | GMC | K2500 SUBURBAN | BASE, High Sierra, Sierra Classic, Sierra Grande | 5.7L V8 GAS, 6.6L V8 GAS | |
1981 - 1982 | GMC | K2500 SUBURBAN | BASE, High Sierra, Sierra Classic, Sierra Grande | 5.7L V8 GAS | |
1983 - 1986 | GMC | K2500 SUBURBAN | BASE, High Sierra, Sierra Classic | 5.7L V8 GAS | |
1977 - 1978 | GMC | K35 | BASE, High Sierra, Sierra Classic, Sierra Grande | 5.7L V8 GAS, 6.6L V8 GAS | Regular Cab w/96.0 in./8 ft. Bed |
1973 | GMC | K35/K3500 | BASE | 5.7L V8 GAS, 5.7L V8 LPG | Regular Cab w/96.0 in./8 ft. Bed |
1974 | GMC | K35/K3500 | BASE | 5.7L V8 GAS | Regular Cab w/96.0 in./8 ft. Bed |
1979 - 1980 | GMC | K3500 | BASE, High Sierra, Sierra Classic, Sierra Grande | 5.7L V8 GAS, 6.6L V8 GAS | Regular Cab w/96.0 in./8 ft. Bed |
1981 - 1982 | GMC | K3500 | BASE, High Sierra, Sierra Classic, Sierra Grande | 5.7L V8 GAS | Regular Cab w/96.0 in./8 ft. Bed |
1983 - 1986 | GMC | K3500 | BASE, High Sierra, Sierra Classic | 5.7L V8 GAS | Regular Cab w/96.0 in./8 ft. Bed |
1987 | GMC | V1500 | BASE, High Sierra, Sierra Classic | 5.7L V8 GAS | Regular Cab w/96.0 in./8 ft. Bed |
1987 | GMC | V1500 SUBURBAN | BASE, High Sierra, Sierra Classic | 5.7L V8 GAS | |
1987 | GMC | V2500 | BASE, High Sierra, Sierra Classic | 5.7L V8 GAS | Regular Cab w/96.0 in./8 ft. Bed |
1987 | GMC | V2500 SUBURBAN | BASE, High Sierra, Sierra Classic | 5.7L V8 GAS | |
1987 | GMC | V3500 | BASE, High Sierra, Sierra Classic | 5.7L V8 GAS | Regular Cab w/96.0 in./8 ft. Bed |