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The Evolution performance exhaust system for the BMW M3 consists of dual-outlet mufflers
In order to maximise volume we made the airbox as large as possible with a recess for potential strut braces
Notes: Original system requires cutting unless fitting with SBMP083
Free updates due to dealer overwrite
Karbonius Carbon Fibre Airbox OEM Style - BMW E46 M3 / Z4M Civic (FK8) The Evolution performance exhaust system2x2 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
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