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The inner edges are based on the optics of the M4 roof
The E39 M5 Eventuri system uses our Patent Pending Carbon fibre Housings with our bespoke Gen-2 filter which provide an aerodynamically efficient airflow path from the filter to the inlet tubes
Aluminium Inlet Cowls
com/en/page/Akrapovic-Adjustable-Acoustic-Reflector) before the tail pipe that drivers can manually adjust if they wish to boost the sound in the cabin and enhance the joy of the driving experience
Karbonius Carbon Fibre Airbox OEM Style - BMW E46 M3 / Z4M Civic (FK8) The inner edges are based2x2 Gloss Only The CSL Airbox is one of the most demanded improvements among BMW M3 E46 enthusiasts. That is both for performance gain, and for the sound it brings to the car. On the other hand, it is a laborious, time consuming and expensive modification. For those who are looking for similar sound to CSL airbox, but do not look for HP gain, we have developed the Karbonius OEM Style S54 airbox. It is a simplified version of CSL airbox, that, apart
US$ 18.00
US$ 171.37
US$ 160.10