Doug's Headers Full Length Headers 2" Primary 3.500" Diameter Collector Steel - Ceramic 20-OTL-NG-LXL 35-75psi - Includes - Spring

35-75psi - Includes - Spring

100HP EFI - Naturally Aspirated - 950HP Carbureted - Forced Induction - 1300HP Carbureted - Naturally Aspirated

These BBK Performance shorty tuned Length exhaust Headers are designed and constructed as direct fit replacements for all 99-09 GM Truck and SUV 6

Cataclean creates an acidic vapor containing carboxylic acids that continues through the system to clean carbon from the exhaust including the catalytic converter and DPF/PPF

1980-1983 Oldsmobile Cutlass Cruiser

Doug's Headers Full Length Headers 2" Primary 3.500" Diameter Collector Steel - Ceramic 20-OTL-NG-LXL 35-75psi - Includes - SpringProduct Description: Headers Full Length 2 in Primary 3. 5 in Collector Steel Ceramic Big Block Chevy GM F Body 1967 69 X Body 1968 74 Pair Dougs Headers, the most respected name in the header industry since the 60s, began in 1958 as a small muffler shop in East Los Angeles, California. Every Dougs header comes with all the necessary mounting hardware, collector reducers or connector pipes, premium gaskets and detailed installation instruction sheets.