Looking through the plethora of Modifications for the Maxima, we had yet to profile the most important aspect to a insure handling and ride quality and that is, the Vehicles Subframe. "The principal purpose of using a subframe is to isolate vibration and harshness from the rest of the body. For example, in an automobile with its powertrain contained in a subframe, forces generated by the engine and transmission can be damped enough that they will not disturb passengers."-Wikipedia.
WarpSpeed Performance out of Avoca, Arkansas has come with one of the true performance parts for the Nissan Maxima. One of the most restrictive areas in the Nissan exhaust system is the y-pipe, it carries the load of two, yes, TWO catalysts, which not only are big but hold the car from the additional 6-7 potential horsepower hp (4th generation test results) that it has.