$1,699.00
-
Karbonius Composites OEM-style S54 carbon airbox by Karbonius Composites, CSL-like induction sound (+12dB), installs with stock elbow / MAF, no tune or extra parts; no significant power gain claimed (+4 hp within test variance).
Karbonius Composites recognizes that the M3 CSL Carbon Airbox is a top desire among E46 M3 enthusiasts for its performance benefits and signature induction sound. A full CSL conversion, however, is labor-intensive and costly, requiring additional hardware, wiring, and software. To deliver CSL-inspired acoustics with straightforward installation, Karbonius Composites offers an OEM-style S54 carbon airbox. This simplified design produces a markedly louder intake note (approximately +12 dB versus the plastic OE box) and a refined appearance, while installing with the factory intake elbow and MAF no extra parts or remap required. Internal testing has shown roughly +4hp over the OE airbox, within a 2% margin of error; accordingly, Karbonius Composites does not claim a significant power increase and confirms no loss in horsepower.
Karbonius Composites prioritizes uncompromising quality. Every component is produced in Spain from 100% pre-preg carbon fiber and autoclave-cured, using meticulous hand layup by highly qualified technicians under rigorous quality controls. Confident in its manufacturing standards, Karbonius provides a 2-year warranty against manufacturing defects. With extensive composites experience and a global base of satisfied customers, the brand is committed to delivering exceptional products and customer satisfaction. Each piece is individually numbered to verify origin and authenticity.
Only logged in customers who have purchased this product may leave a review.
Reviews
There are no reviews yet.