Fits 1981 1982 Chevrolet K5 Blazer; LS SWAP Exhaust Adapter Kit BH13257 perm street carbsavengers 5 Material Stainless Steel Series Jones 5 Material Stainless Steel Series Standard Grade Substrate Material Ceramic Subtitle Federal EPA Compliant Air Tube Adaptable No Converter Quantity 1 Title Standard Grade Direct Fit Inlet Attachment Bolt On Type Direct Fit Main Piping Diameter (In 0L l4 1977 1978 Ford F 150 Ranger 300 4 Year Make Model Submodel 1981 1982 Chevrolet K5 Blazer Custom 1978 1982 Chevrolet K5 Blazer Silverado 1975 1982 GMC Jimmy Base 1975 1982 GMC Jimmy High Sierra 1975 1982 GMC Jimmy Sierra Classic 1975 1982 GMC Jimmy Sierra Grande 1978 1982 GMC Jimmy Street Coupe 1975 1981 Chevrolet C10 Cheyenne 1975 1986 Chevrolet C10 Custom 1981 Chevrolet C10 Deluxe 1975 1986 Chevrolet C10 Scottsdale 1975 1986 Chevrolet C10 Silverado 1975 1987 Chevrolet C20 Cheyenne 1981 1986 Chevrolet C20 Custom 1981 Chevrolet C20 Deluxe 1975 1986 Chevrolet C20 Scottsdale 1975 1986 Chevrolet C20 Silverado 1981 Chevrolet K5 Blazer Deluxe 1978 1980 Chevrolet C10 Big Ten 1975 1980 Chevrolet C10 Custom Deluxe 1975 1980 Chevrolet C20 Custom Deluxe 1975 1980 Chevrolet K5 Blazer Cheyenne 1975 1980 Chevrolet K5 Blazer Custom Deluxe 1976 Chevrolet K5 Blazer Base 1986 1987 Chevrolet C20 Base an adapter pipe is required to fill that gap between the end of the manifolds and our Hooker exhaust systems