For your 2015 Infiniti Q70L you would need a roof rack to install a snow board carrier. For that the Inno roof rack part # INXB130-138, # INXS250, # INK389 is a confirmed fit and would be a great option. Then for a carrier the part # RR574 can carry up to two boards or the part # RR576 which can carry 4 boards. view full answer...