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Still looking for help with my ‘09 Z4 sdrive 30i (N52)... wanting to replace the stock intake hose/boot (with it’s connected sound resonator) with a simple silicone boot/tube. This is the one piece that comes out of the stock airbox and connects into the throttle body air intake on the engine. Has anyone done this? If so, what size silicone hose/tube did you use? Thanks
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