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  1. #1

    2011 vxr Exhaust questions and upgrade questions

    Anyone have any opinions on the Rivas through hull kit vs the riva free flow kit ? I have searched and searched and can't seem to find any info. It would seem to me that performance between the two would be comparable. The upgrades I am thinking of are riva cool air intake (though I am not sure I want to give up my storage space for bumpers and dock lines) and the Free flow exhaust with performance water box. any input

  2. #2
    abracadabra's Avatar
    Join Date
    Oct 2008
    Wellington, FL United States of America
    The performance gains between the free flow VS through hull are identical. I chose the through hull for my build because I love the sound coming from the rear exhaust and also you will get less drone, Julio...

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