Keep the check engine light off with MagnaFlow California Grade CARB Compliant Direct-Fit Catalytic Converter 3391432. With features including free-flowing mandrel-bent tubing and highly corrosion resistant stainless steel construction, easily install this spun body converter yourself using the proper tools, no cutting or welding required. MagnaFlow's state-of-the-art metrology department uses the latest 3D scanning systems during research and development, so you can be confident that your new part will fit and function like the original equipment. By replicating the OE spun body design, the single laser fusion weld greatly reduces the possibility of a leak, and our compact, low-mass design also allows for greater thermal efficiency.This direct-fit catalytic converter is designed to fit the 1975-1986 Chevrolet C10, 1975-1986 Chevrolet K10, and additional vehicles. This replacement part is designed to meet or exceed California Air Resource Board requirements, and has undergone additional testing to comply with CARB guidelines to allow for legal use in California and CARB restricted states, for the listed vehicles.

Vehicle Fitment

Years	Make	Model	Trim
1985–1991	Chevrolet	Astro	Base
1985–1991	Chevrolet	Astro	CL
1985–1991	Chevrolet	Astro	CS
1987–1991	Chevrolet	Astro	LT
1987	Chevrolet	Blazer	Custom Deluxe
1987	Chevrolet	Blazer	Silverado
1978–1980	Chevrolet	C10	BIG TEN
1975–1981	Chevrolet	C10	Cheyenne
1981–1986	Chevrolet	C10	Custom
1975–1980	Chevrolet	C10	Custom Deluxe
1981	Chevrolet	C10	Deluxe
1975–1986	Chevrolet	C10	Scottsdale
1975–1986	Chevrolet	C10	Silverado
1981–1986	Chevrolet	C10 Suburban	Custom
1975–1980	Chevrolet	C10 Suburban	Custom Deluxe
1981	Chevrolet	C10 Suburban	Deluxe
1975–1980, 1982, 1984–1986	Chevrolet	C10 Suburban	Scottsdale
1975–1980, 1982–1986	Chevrolet	C10 Suburban	Silverado
1975–1981	Chevrolet	C20	Cheyenne
1981–1986	Chevrolet	C20	Custom
1975–1980	Chevrolet	C20	Custom Deluxe
1981	Chevrolet	C20	Deluxe
1975–1986	Chevrolet	C20	Scottsdale
1975–1986	Chevrolet	C20	Silverado
1981–1986	Chevrolet	C20 Suburban	Custom
1975–1980	Chevrolet	C20 Suburban	Custom Deluxe
1981	Chevrolet	C20 Suburban	Deluxe
1975–1980, 1982, 1984–1986	Chevrolet	C20 Suburban	Scottsdale
1975–1977, 1979–1980, 1982–1986	Chevrolet	C20 Suburban	Silverado
1983	Chevrolet	G10	Base
1975–1994	Chevrolet	G10	Beauville
1981–1984, 1986–1987	Chevrolet	G10	Bonaventure
1975–1994	Chevrolet	G10	Chevy VAN
1975–1994	Chevrolet	G10	Sportvan
1975–1994	Chevrolet	G20	Beauville
1983–1984	Chevrolet	G20	Bonaventure
1975–1994	Chevrolet	G20	Chevy VAN
1978–1981	Chevrolet	G20	Nomad
1975–1994	Chevrolet	G20	Sportvan
1978–1993	Chevrolet	G30	Beauville
1983–1984	Chevrolet	G30	Bonaventure
1978–1994	Chevrolet	G30	Chevy VAN
1978–1994	Chevrolet	G30	HI-Cube
1978–1986	Chevrolet	G30	Sportvan
1975–1981	Chevrolet	K10	Cheyenne
1981–1986	Chevrolet	K10	Custom
1975–1980	Chevrolet	K10	Custom Deluxe
1981	Chevrolet	K10	Deluxe
1975–1986	Chevrolet	K10	Scottsdale
1975–1986	Chevrolet	K10	Silverado
1981–1986	Chevrolet	K10 Suburban	Custom
1975–1980	Chevrolet	K10 Suburban	Custom Deluxe
1981	Chevrolet	K10 Suburban	Deluxe
1975–1980, 1982, 1984–1986	Chevrolet	K10 Suburban	Scottsdale
1975–1977, 1979–1980, 1982–1983, 1985–1986	Chevrolet	K10 Suburban	Silverado
1975–1981	Chevrolet	K20	Cheyenne
1981–1986	Chevrolet	K20	Custom
1975–1980	Chevrolet	K20	Custom Deluxe
1981	Chevrolet	K20	Deluxe
1975–1986	Chevrolet	K20	Scottsdale
1975–1983, 1985–1986	Chevrolet	K20	Silverado
1981–1986	Chevrolet	K20 Suburban	Custom
1975–1980	Chevrolet	K20 Suburban	Custom Deluxe
1981	Chevrolet	K20 Suburban	Deluxe
1975–1980, 1982, 1984–1986	Chevrolet	K20 Suburban	Scottsdale
1975–1977, 1979–1980, 1982–1983, 1985–1986	Chevrolet	K20 Suburban	Silverado
1976	Chevrolet	K5 Blazer	Base
1975–1980	Chevrolet	K5 Blazer	Cheyenne
1981–1986	Chevrolet	K5 Blazer	Custom
1975, 1977–1980	Chevrolet	K5 Blazer	Custom Deluxe
1981	Chevrolet	K5 Blazer	Deluxe
1984	Chevrolet	K5 Blazer	Scottsdale
1978, 1980–1986	Chevrolet	K5 Blazer	Silverado
1987	Chevrolet	R10	Custom Deluxe
1987	Chevrolet	R10	Scottsdale
1987	Chevrolet	R10	Silverado
1987	Chevrolet	R10 Suburban	Custom Deluxe
1987	Chevrolet	R10 Suburban	Scottsdale
1987	Chevrolet	R10 Suburban	Silverado
1987	Chevrolet	R20	Custom Deluxe
1987	Chevrolet	R20	Scottsdale
1987	Chevrolet	R20	Silverado
1987	Chevrolet	V10	Custom Deluxe
1987	Chevrolet	V10	Scottsdale
1987	Chevrolet	V10	Silverado
1975–1978	GMC	C15	Base
1977–1978	GMC	C15	Heavy Half
1975–1978	GMC	C15	High Sierra
1977	GMC	C15	Indy Hauler
1975–1978	GMC	C15	Sierra Classic
1975–1978	GMC	C15	Sierra Grande
1978	GMC	C15	Street Coupe
1975–1978	GMC	C15 Suburban	Base
1975–1978	GMC	C15 Suburban	High Sierra
1975–1978	GMC	C15 Suburban	Sierra Classic
1975–1978	GMC	C15 Suburban	Sierra Grande
1979–1986	GMC	C1500	Base
1979–1980	GMC	C1500	Heavy Half
1979–1986	GMC	C1500	High Sierra
1979–1986	GMC	C1500	Sierra Classic
1979–1982	GMC	C1500	Sierra Grande
1979–1982	GMC	C1500	Street Coupe
1979–1986	GMC	C1500 Suburban	Base
1979–1986	GMC	C1500 Suburban	High Sierra
1979–1986	GMC	C1500 Suburban	Sierra Classic
1979–1982	GMC	C1500 Suburban	Sierra Grande
1975–1978	GMC	C25	Base
1975–1978	GMC	C25	High Sierra
1975–1978	GMC	C25	Sierra Classic
1975–1978	GMC	C25	Sierra Grande
1979–1986	GMC	C2500	Base
1979–1986	GMC	C2500	High Sierra
1979–1986	GMC	C2500	Sierra Classic
1979–1982	GMC	C2500	Sierra Grande
1979–1986	GMC	C2500 Suburban	Base
1979–1986	GMC	C2500 Suburban	High Sierra
1979–1986	GMC	C2500 Suburban	Sierra Classic
1979–1982	GMC	C2500 Suburban	Sierra Grande
1976–1978	GMC	G15	Rally
1976–1978	GMC	G15	Rally STX
1976–1978	GMC	G15	Vandura
1979–1994	GMC	G1500	Rally
1983–1984	GMC	G1500	Rally Custom
1979–1994	GMC	G1500	Rally STX
1979–1994	GMC	G1500	Vandura
1975–1978	GMC	G25	Rally
1975–1978	GMC	G25	Rally STX
1975–1978	GMC	G25	Vandura
1979–1994	GMC	G2500	Rally
1983–1984	GMC	G2500	Rally Custom
1979–1994	GMC	G2500	Rally STX
1979–1994	GMC	G2500	Vandura
1978	GMC	G35	Magnavan
1978	GMC	G35	Rally
1978	GMC	G35	Rally Camper Special
1978	GMC	G35	Rally STX
1978	GMC	G35	Vandura
1978	GMC	G35	Vandura Special
1979–1986	GMC	G3500	Magnavan
1979–1986	GMC	G3500	Rally
1979–1986	GMC	G3500	Rally Camper Special
1981–1986	GMC	G3500	Rally Custom
1979–1986	GMC	G3500	Rally STX
1979–1994	GMC	G3500	Vandura
1979–1994	GMC	G3500	Vandura Special
1975–1987	GMC	Jimmy	Base
1975–1985	GMC	Jimmy	High Sierra
1975–1987	GMC	Jimmy	Sierra Classic
1975–1982	GMC	Jimmy	Sierra Grande
1978–1982	GMC	Jimmy	Street Coupe
1975–1978	GMC	K15	Base
1975–1978	GMC	K15	High Sierra
1977	GMC	K15	Indy Hauler
1975–1978	GMC	K15	Sierra Classic
1975–1978	GMC	K15	Sierra Grande
1975–1978	GMC	K15 Suburban	Base
1975–1978	GMC	K15 Suburban	High Sierra
1975–1978	GMC	K15 Suburban	Sierra Classic
1975–1978	GMC	K15 Suburban	Sierra Grande
1979–1986	GMC	K1500	Base
1979–1986	GMC	K1500	High Sierra
1979–1986	GMC	K1500	Sierra Classic
1979–1982	GMC	K1500	Sierra Grande
1979–1986	GMC	K1500 Suburban	Base
1979–1986	GMC	K1500 Suburban	High Sierra
1979–1986	GMC	K1500 Suburban	Sierra Classic
1979–1982	GMC	K1500 Suburban	Sierra Grande
1975–1978	GMC	K25	Base
1975–1978	GMC	K25	High Sierra
1975–1978	GMC	K25	Sierra Classic
1975–1978	GMC	K25	Sierra Grande
1979–1986	GMC	K2500	Base
1979–1986	GMC	K2500	High Sierra
1979–1986	GMC	K2500	Sierra Classic
1979–1982	GMC	K2500	Sierra Grande
1979–1981	GMC	K2500 Suburban	Base
1979–1981	GMC	K2500 Suburban	High Sierra
1979–1981	GMC	K2500 Suburban	Sierra Classic
1979–1981	GMC	K2500 Suburban	Sierra Grande
1987	GMC	R1500	Base
1987	GMC	R1500	High Sierra
1987	GMC	R1500	Sierra Classic
1987	GMC	R1500 Suburban	Base
1987	GMC	R1500 Suburban	High Sierra
1987	GMC	R1500 Suburban	Sierra Classic
1987	GMC	R2500	Base
1987	GMC	R2500	High Sierra
1987	GMC	R2500	Sierra Classic
1985–1991	GMC	Safari	Base
1985–1987	GMC	Safari	SL
1985–1991	GMC	Safari	SLE
1987–1991	GMC	Safari	SLT
1985–1990	GMC	Safari	SLX
1987	GMC	V1500	Base
1987	GMC	V1500	High Sierra
1987	GMC	V1500	Sierra Classic