The M157 W.3 Package features the M157 W.3 Turbo Upgrade* which is an impeller upgrade to the factory turbocharger units in addition to our M157 ECU Upgrade, M157 True Downpipes, High Flow Air Filters, and M157 Racing Spark Plugs. The entire package together results in as much as 730hp to the wheels** while still maintaining a stock like demeanor and appearance in the engine bay.
*Core Exchange Required
**Octane and Conditions Permitting
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