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  1. #1

    2007 seadoo speedster 150 215hp with intake hose/filter vs older air silencer box?

    Would the 2008 and newer intake hose with K&N filter be less restrictive then the 2007 air silencer box with no filter on it? Thanks


  2. #2
    Come on guys need some input on this.

    Present setup 2007 air intake consists of the rubber tube from the supercharger followed by a rectangular tube about 30 inches to a 3 inch coupling with a 3/4 inch hose for the crank gases and followed a 4 inch kanaflex which has a slight turn above the fuel tank which is about 3 feet long followed along to the bottom of a large air silencer box with no filter. The top air silencer box has the voltage regulator with the heat sink installed within the air silencer box. (supercharger also sucks in heat from regulators heat sink)

    I Am considering leaving the stock 3 inch rubber hose on the supercharger followed by a 3"-4" coupling followed by 4 inch kanaflex (1 Foot) followed by a 4 inch coupling with a 3/4 inch hose insert to direct the crank gas tube to it, followed by a 4" kanaflex (2 feet) to a long Ram air filter 6 inches wide by 10 inches long and straight which will be located just below where the bilge blower hose opening is located.. So the engine compartment will have 2 x 4 inch openings.

    which would be less restrictive?
    How much air volume can realistically be drawn in at wot with a 3 cylinder?

    Or does it even matter as air is forced through by supercharger. Thanks
    Last edited by Cathylongasta; 11-24-2016 at 01:55 AM.

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