Quote:
Originally Posted by Kuky
Hi, where did you buy the silicone intake boot?
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Probably Bimmerworld. It's an E46 M3 boot. The brake vacuum line is routed on the top of the CSL intake plenum. The stock intake requires a boot with the fitting for the vacuum line in it. Although you could also buy the E46 M3 vacuum line that mounts to the stock intake plenum in front of the boot.