S54 Carbon Airbox (E46 M3 / Z4M) -- MAF

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Quick Overview

S54 Carbon Airbox for the E46 M3 and Z4 M. The MAF version is a direct bolt-on and for use with the standard ECU. The airbox uses a longer necked down 120 mm snorkel and external air-filter.

S54 Carbon Airbox (E46 M3 / Z4M) -- MAF

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The S54 Carbon Airbox is made of 100% carbon fiber including the internal intake runners. Various versions and options are available: a MAF (HFM) version for use with the standard ECU or an Alpha N version for use with Alpha N type of engine management, either via reprogrammed ECU (MSS54HP) or aftermarket stand-alone ECU. The latter style setup is commonly found in motorsport. The airbox is available for fitment with either internal or external air-filter. The CF snorkel provided is available in either 120, 130 or 200 mm inlet diameters. The 120 and 130 mm snorkels are a longer necked down snorkel, often used in conjunction with an external air-filter. The MAF airboxes are only available with the longer necked down 120 mm snorkel and for use with external air-filter. The airbox utilizes tuned intake runners and larger plenum volume (Helmholtz resonance) to effect a power gain. The engine will have a more aggressive intake note and a better throttle response. The airbox works particularly well with uprated cams.

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