Durango Freeze Plugs Rusted

From : joeysamone

Q: has anyone put on a cat back after market system and noticed a power improvement. i know they tell you get more horsepower but is it worth the $$. simple answer. stock truck no. id like to have a beefier sound than stock also. any recommendations gibson magnaflow. or if you really want sound that will chase you out of the truck flowmaster mufflers. roy .