Fits 1973-74 Monte Carlo, Tube size 1-3/4", Street Stock Headers - S/S 2551-2HKR exhaust-repairs-patches 3L engines and comes with

3L engines and comes with your choice of tailpipe exits

78/4 L 1972 - 1975 Chevrolet Vega Base 3

2 V8 1971 - 1978 Chrysler Newport   440/7

Keep the check engine light off with MagnaFlow California Grade CARB Compliant Direct-Fit Catalytic Converter 4451214

Fits 1973-74 Monte Carlo, Tube size 1-3/4", Street Stock Headers - S/S 2551-2HKR exhaust-repairs-patches 3L engines and comes withThese Hooker RacingHeart headers are for Street Stock cars with Small Block Chevy engine. They fit 1973 1974 GM A Body vehicles as well as 1970 1974 GM F body vehicles. They have 1 3 4 inch primaries with 3 inch collectors, 3 8 inch thick flanges to prevent warping and have merge spears for increased velocity. These are Natural Stainless Steel. Features: 1 3 4 inch primaries x 3 inch collectors Collectors feature merge spears for increased exhaust