S54 Carbon Airbox Variant 3 (E46 M3) -- Alpha N

Availability: In stock

$2,870.00

Quick Overview

S54 Carbon Airbox Variant 3 for the E46 M3. This is the large plenum volume version for use with Alpha N style engine management. This is the same style of airbox as used on the S54 powered E46 GTR race cars.

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*CF Snorkel

170 mm
120 mm

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$2,870.00

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Details

The S54 Carbon Airbox is made of 100% carbon fiber including the internal intake runners. Alpha N version for use with Alpha N type of engine management, either via reprogrammed ECU (MSS54HP) or aftermarket stand-alone ECU. The airbox is available for fitment with an external air-filter. The CF snorkel provided is available in either 120 or 130 mm inlet diameters. 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.