The factory CLK63 Black Series air intake inlets are quite restrictive for the M156 engine in stock form, let alone once it has been upgraded. The CLK63 Black Series Air Inlet Upgrade is a simple upgrade that greatly improves flow of the intake system resulting in noticeable power gains, especially when coupled with an ECU tune, or a M156 Supercharger System.
KEY FEATURES:
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10+ HP Gains
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Simple Installation
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Must-Have for Supercharged Vehicles
