Infinity Design CSL Upgrade Kit BMW S85 E60 M5 / E63 M6

The upgrade kit for Infinity Design's modular carbon plenum taking it to full CSL spec with the larger side inlets and inlet tubes.

The side inlets have a significantly larger cross sectional area than an OEM style side inlet.
The inlet tube is also significantly larger in cross sectional area and overall volume.

Two options are available.  
- If you already have our sealed intakes you only need to purchase the side inlets and inlet tubes.
- If you are running an OEM intake or aftermarket intake you will need to select the full CSL intake which comprises of side inlets, inlet tubes, lower housings, clamps, v bands and air filters.