There's one modification that is sure to make power on an LS-powered vehicle, and that's a full exhaust system. Fresh off the installation of a Roto-fab cold air intake, E85 kit, and custom tune by ...
Nothing screams performance like a set of dual exhaust pipes sticking out from under the bumper or roll pan of a late-model truck, and to be honest, nothing sounds quite like a dual exhaust setup, ...
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