Flowtech 49150FLT Exhaust Header Fits select: 1973-1986 C10, 1977

Premium high-temperature electrostatic gray finish Horsepower and Torque increased over conventional header design Big 3” secondary collector for reduced back pressure Tuned-length primary tubes combine with Velocity Tube to smooth out exhaust pulses Patented Velocity Tube increases cylinder scavenging All hardware and premium gaskets included for a complete installation Fits Select: 1981-1986 C10 8 Cyl 5 L 1973-1980 C10 8 Cyl 5.7 L 1973-1974,1977 8 Cyl 5.7 L 1987 R10 8 Cyl 5 L 1981-1986 C1500 8 Cyl 5 L 1973-1986 C20 8 Cyl 5.7 L 1987-1988 R30 8 Cyl 5.7 L 1973-1986 C30 8 Cyl 5.7 L 1980-1984 8 Cyl 5 L 1989-1991 R3500 8 Cyl 5.7 L 1987 R15 8 Cyl 5 L 1973-1980 C1500 8 Cyl 5.7 L 1987 R20 8 Cyl 5.7 L 1981-1991 8 Cyl 5.7 L 1973-1986 C3500 8 Cyl 5.7 L 1987-1991 R35 8 Cyl 5.7 L 1973-1986 C2500 8 Cyl 5.7 L 1973-1991 8 Cyl 5.7 L 1987 R25 8 Cyl 5.7 L 1983-1984 8 Cyl 5 L 1978-1979 K1500 8 Cyl 5.7 L 1973-1976 8 Cyl 5.7 L 1977 K1500 8 Cyl 6.6 L 1980 C1500 8 Cyl 5.7 L 1982 C1500 8 Cyl 5 L and more - add your vehicle to our fit widget to check