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See how CSF’s high performance N55 intercooler with same style rounded bar/plate core design compares to a more expensive aftermarket offering that uses tube/fin
from daily street use to the occasional track day
How is that extra power made
While a self-installation option is available
letting your engine inhale colder
K Style Carbon Fiber Rear Diffuser w/ Integrated Brake Light - F80 M3 | F82 / F83 M4 Spacers + Studs See how CSF’s high performanceCreate an aggressive, aftermarket look with our K Style fully carbon diffuser for the F8X M3 and M4. This diffuser includes a functional F1 Style LED brake light that will work seamlessly with your normal, OEM brake lights. We include the wiring harness necessary for the installation. The K Style diffusers are made using our same genuine 2x2 carbon fiber fabric as our other M3 and M4 parts. Each piece is equipped with an OEM like clear coat which
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