Hedman Street Headers - 1.75 in Primary - 3 in Collector - Black Paint - Small Block Chevy - GM F-Body / X-Body 1970-81 - Pair YA0864 Lengthened hose mounting flanges provide

Lengthened hose mounting flanges provide a better fit

Includes non-hooded

2009-2011 Chevrolet Avalanche

Unlike cheap

Fiberglass dash for the Inside the Rail hood

Hedman Street Headers - 1.75 in Primary - 3 in Collector - Black Paint - Small Block Chevy - GM F-Body / X-Body 1970-81 - Pair YA0864 Lengthened hose mounting flanges provideHedman Hedders Standard Uncoated Headers; 1 3 4" Tube Diameter; 3" Collector; Full Length Design Hedman's Standard duty, Uncoated Hedders are manufactured using 18 gauge, mandrel bent primary tubes (some models built using thicker 16 or 14 gauge tubing), and 1 4 flanges (some models use 3 8" flanges). Hedman Hedders has been manufacturing quality headers and exhaust components in the USA since 1954. Hedman Hedders Standard Uncoated Headers 1 3 4" Tube