Universal Catalytic Converter 3.0 GM 3.8L HM 99309HM Magnaflow nitrous-systems-and-parts One piece design 3-valve plug

One piece design 3-valve plug – no more plugs broken off in head

Marine-Grade

8 L6 1968 Chevrolet Chevelle 327/5

7 V8 1968 - 1974 Mercury Montego 302/5 V8 1968 Mercury Montego 289/4

Universal Catalytic Converter 3.0 GM 3.8L HM 99309HM Magnaflow nitrous-systems-and-parts One piece design 3-valve plugKeep the check engine light off with MagnaFlow HM Grade Federal EPA Compliant Universal Catalytic Converter 99309HM. The Universal design allows the part to fit a wide array of vehicles, and the stainless steel construction of this catalytic converter is highly resistant to corrosion. The single laser fusion weld greatly reduces the possibility of a leak, and our compact, low mass design also allows for greater thermal efficiency. This replacement