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  1. #1

    Join Date
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    Question 15F 2009 exhaust modifications

    i've bought a new 15F dec 2009. i've been doing research on modifications and found the riva free flow exhaust kit. as this is a 2009 model the exhaust has only the 1 primary muffler and is already free flowing. the point i'm getting to is in the installation it shows you cut open the muffler and drill out the baffle cap. do i need to do this to the 2009 model muffler as it is a different part number to the older version and i'm not sure what i will find inside. i dont want to wreck a good muffler if i find this is already done or if it is not possible. i have an illistration attached that shows the old muffler modification.
    hope someone can help.
    thanks
    hope the picture turned out


  2. #2
    My name is Sean and I am addicted to STXs smokeysevin's Avatar
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    I would just leave it and put a jetworks valve on the waterline for the exhaust, should make it sound sweet and give you a slightly better holeshot

    Sean

  3. #3

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    thanks mate. i am doing the water as well as timing advanvce and free flow riva air filter.

  4. #4

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    how did you go getting rid of the unwanted parts for your build. do you have anymore photo's of your rebuild?

  5. #5
    03stx12f's Avatar
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    dont waste your money on the riva air filter. u can make one yourself for half the price. do a search on here for the filter in bucket mod. all u need is a 2.75" silicone 90 degree elbow and piece of 2.75" 90 degree aluminum tubing and a filter that will fit in your bucket. im in a wheelchair and it was easy enough for me to fab without any help. you will need to buy one extra hose clamp i forgot to mention. all the parts can be found on ebay!
    Last edited by 03stx12f; 02-09-2010 at 04:23 PM. Reason: wrong word.

  6. #6
    My name is Sean and I am addicted to STXs smokeysevin's Avatar
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    My parts are listed in the classifieds, but they are just up in my attic right now, be careful with the timing advance, if you take it too far bad things can happen

    Sean

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