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

1971-1973 Buick Centurion

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

Your vehicle's factory fuel pump wiring may not be adequate enough to handle the current draw of AEM's High Flow Fuel Pumps

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.