Hi.
This is not a chevelle question (but I do have a chevelle). If I put headers, flowmasters, new high-flow cat converters, and 2 1/2" pipes on my '98 Suburban 5.7L(350). How much horsepower will I gain, and will I get better gas mileage?
Thanks for the help
Mike
This is not a chevelle question (but I do have a chevelle). If I put headers, flowmasters, new high-flow cat converters, and 2 1/2" pipes on my '98 Suburban 5.7L(350). How much horsepower will I gain, and will I get better gas mileage?
Thanks for the help
Mike