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Thread: Shiver airbox mod how to?

  1. #1
    apriliaforum expert brandonmccann's Avatar
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    Shiver airbox mod how to?

    Right,

    so Black Friday sales are coming up and I'm hoping to get a few upgrades for my bike while I'm at it. WHEN I do the airbox mod, I will probably have a decat, DNA filter, and a motocorsaro but currently I only have the motocorsaro installed.

    To do the mod, do I just cut out/remove this part here? Believe it's called the snorkel?

    -----------------------------------------
    *WANT to BUY* - Healtech quickshifter, GLpro X gear indicator, aftermarket shock, HLD Large Rear Fender, Samco radiator hoses, Carbon tank panels; For 2009 Shiver.
    **For SALE** - MotoCorsaro O2 Optimiser, OEM Brake and Clutch Master Cylinders W/ Mad Hornet adjustable levers,OEM mirrors and stock muffler; From a 2009 Shiver.

    2009 Aprilia Shiver; Rexxer ECU Reflash, Andreani Cartridges, Apex Clipons, 520 45T, DNA filter and snorkel removal, Accosatto clutch & brake masters, Mussan MPdemon header & decat link pipe, Skidmarx Bellypan, HLD seat cowl, Sport Screen, CRG Arrows, LED retrofit(Opt7, Zevo, Watsen), R&G Tidy, Rosmoto Rearsets, T-Rex Sliders.


  2. #2
    apriliaforum expert rule62's Avatar
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    Just pull on it really hard and it will come out. No particularly noticeable difference whether removed or not.

    Sent from my HTC6500LVW using Tapatalk
    2014 DD 750 ABS - Spark exhaust, Arrow decat, headers (all ceramic coated), BMC filter, BikeMaster DLFP16-BS LiFePO battery, NGK iridium plugs, GPR steering damper, DD 1200 fully adjustable rear shock w/spring swap, 2016 Tuono Factory wheels, 15/44 520 conversion (PBR/Superlite/DID), Strada-7 fork preload adjusters, Samco 2-piece hose kit w/clamps, Engine Ice, Renazco Racing seat, EvoTech tidy tail, Aprilia grab handles, shorty levers, crank-case breather mod, evap-can delete... and a Rapid Bike EVO.

  3. #3
    apriliaforum expert brandonmccann's Avatar
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    Quote Originally Posted by rule62 View Post
    Just pull on it really hard and it will come out. No particularly noticeable difference whether removed or not.

    Sent from my HTC6500LVW using Tapatalk

    Cool, so no need for a dremel to cut then? If I can just pull on it instead that would be great as I have difficulty sourcing said dremel.
    -----------------------------------------
    *WANT to BUY* - Healtech quickshifter, GLpro X gear indicator, aftermarket shock, HLD Large Rear Fender, Samco radiator hoses, Carbon tank panels; For 2009 Shiver.
    **For SALE** - MotoCorsaro O2 Optimiser, OEM Brake and Clutch Master Cylinders W/ Mad Hornet adjustable levers,OEM mirrors and stock muffler; From a 2009 Shiver.

    2009 Aprilia Shiver; Rexxer ECU Reflash, Andreani Cartridges, Apex Clipons, 520 45T, DNA filter and snorkel removal, Accosatto clutch & brake masters, Mussan MPdemon header & decat link pipe, Skidmarx Bellypan, HLD seat cowl, Sport Screen, CRG Arrows, LED retrofit(Opt7, Zevo, Watsen), R&G Tidy, Rosmoto Rearsets, T-Rex Sliders.


  4. #4
    apriliaforum prov-nov
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    Even with the snorkel removed the hole is still small. With a small hole saw you can put in one or two extra holes on the side.

  5. #5
    apriliaforum expert rule62's Avatar
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    Quote Originally Posted by brandonmccann View Post
    Cool, so no need for a dremel to cut then? If I can just pull on it instead that would be great as I have difficulty sourcing said dremel.
    Yeah, it's made of a kind of a hard rubbery material, and has a slot in it that fits to the airbox. A little squeezing and pulling and it'll pop right out. After, decat, slipons, fatduc, and DNA.. I liked the way my '14 DD ran better with the snorkel in place. YMMV

  6. #6
    apriliaforum expert brandonmccann's Avatar
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    So I finally fitted on a decat and new exhaust, and I'm looking towards getting a REXXER tune next spring.

    With the tune, I'd like to also open up my airbox fully. I don't think I'll get a quickshifter or any of the suspension things anymore, as I've put quite a bit in the bike as it is. I just need a few cosmetic things and the rexxer tune and I should be plenty happy with the changes I've made over the years.

    So, with that being said, I'd like to open up the airbox like this http://www.apriliaforum.com/forums/s...-of-Airbox-mod or if there are any other suggestions?

    I'd like to use a GSF1200 DNA filter(since I already have a DNA filter)unless there is a better suggestion to go along with my current filter, just made sense to me. I also intend to purchase a spare airbox lid and do the mod to that one, so I don't end up ruining my stock one.

    To me it looks like the airbox mod is accomplished by -

    1) drilling 6 small holes, 3 on each side of the airbox lid.
    2) relocating the sensor in the lid to the side vertically/upside down(?)
    3) Routing out enough space to install the extra filter, and keeping it in place by using some sort of adhesive. But the type of adhesive, I am not sure about.

    Are there any other steps to this do you guys think? Or have any suggestions? The rexxer tune will be for an open airbox and open baffles so everything should hopefully work together.

    Thanks!
    -----------------------------------------
    *WANT to BUY* - Healtech quickshifter, GLpro X gear indicator, aftermarket shock, HLD Large Rear Fender, Samco radiator hoses, Carbon tank panels; For 2009 Shiver.
    **For SALE** - MotoCorsaro O2 Optimiser, OEM Brake and Clutch Master Cylinders W/ Mad Hornet adjustable levers,OEM mirrors and stock muffler; From a 2009 Shiver.

    2009 Aprilia Shiver; Rexxer ECU Reflash, Andreani Cartridges, Apex Clipons, 520 45T, DNA filter and snorkel removal, Accosatto clutch & brake masters, Mussan MPdemon header & decat link pipe, Skidmarx Bellypan, HLD seat cowl, Sport Screen, CRG Arrows, LED retrofit(Opt7, Zevo, Watsen), R&G Tidy, Rosmoto Rearsets, T-Rex Sliders.


  7. #7
    apriliaforum Junkie
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    I just put a DNA filter in there, pulled the snorkel and enlarged the inlet on the airbox like others on here have. Picked up a second airbox for cheap in case I messed up.

    It's very loud now as is, and I prefer that the filter is still tucked away a wee bit so I don't have to clean it as often.


    Obviously any mods like this change the acoustic properties of the airbox, and hence have a small effect on the tuning of the engine, over and above any supposed flow benefits. E.g. airbox resonances are quite often used to fill in dips in the torque curve.

    In respect of the Rexxer map, remember your de-cat pipe is unique and the cans are pretty unusual, too!
    2009 Shiver (White) | UK

  8. #8
    apriliaforum expert brandonmccann's Avatar
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    Yeah I know it is pretty unique. it'll take some back and forth with Rexxer to get it done as well as possible. Maybe I can describe it to them as a Toce system without the baffles on a ducati monster?

    I would love to take it to AF1 but for the cost of having it done there, and the hotel and food for the days it'll take, it's almost as much as me just buying the programmer to do it in my garage.

    Anyone want to let me stay with them in austin for 2 days? lol.



    So currently I have the snorkel removed, would I not have anything to gain from truly opening the airbox other than time spent and intake noise?
    -----------------------------------------
    *WANT to BUY* - Healtech quickshifter, GLpro X gear indicator, aftermarket shock, HLD Large Rear Fender, Samco radiator hoses, Carbon tank panels; For 2009 Shiver.
    **For SALE** - MotoCorsaro O2 Optimiser, OEM Brake and Clutch Master Cylinders W/ Mad Hornet adjustable levers,OEM mirrors and stock muffler; From a 2009 Shiver.

    2009 Aprilia Shiver; Rexxer ECU Reflash, Andreani Cartridges, Apex Clipons, 520 45T, DNA filter and snorkel removal, Accosatto clutch & brake masters, Mussan MPdemon header & decat link pipe, Skidmarx Bellypan, HLD seat cowl, Sport Screen, CRG Arrows, LED retrofit(Opt7, Zevo, Watsen), R&G Tidy, Rosmoto Rearsets, T-Rex Sliders.


  9. #9
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    It's really hard to say what will happen without trying it and, crucially, properly measuring the outcome. Just making changes and leaving the map doesn't give the full picture because you're not changing the fueling etc. to take advantage of the mods.

    Simulation can give some insights, but they need a lot of data / measurements. I understand that sometimes people are able to run simulations and create maps based purely on that, which is astounding, if only as a baseline to work from before a proper map on the dyno.

    I doubt you can do too much damage, but a generic map will always be a generic map, no matter how many you try. That said, it's something I plan to do myself, so I'm pretty much in the same boat I think. I figure it'll be better than the stock map at least!
    2009 Shiver (White) | UK

  10. #10
    apriliaforum expert brandonmccann's Avatar
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    I wonder if AF1 includes dyno measurements? I'll have to inquire about that to see.

    It does include 2 maps, so I was thinking of just having them make 2 different ones and I can just use whichever works better.

    Lastly, if there's anything left to be gained, I could always add a Bazzaz or a Rapidbike(more likely the bazzaz) and have it dyno tuned.

    The way I see it, the ECU needs to be flashed to get the real benefit of a fueling manager anyways. Flash, and then clean it up with a manager. And like you said, regardless it should be better than the stock map if nothing else.
    -----------------------------------------
    *WANT to BUY* - Healtech quickshifter, GLpro X gear indicator, aftermarket shock, HLD Large Rear Fender, Samco radiator hoses, Carbon tank panels; For 2009 Shiver.
    **For SALE** - MotoCorsaro O2 Optimiser, OEM Brake and Clutch Master Cylinders W/ Mad Hornet adjustable levers,OEM mirrors and stock muffler; From a 2009 Shiver.

    2009 Aprilia Shiver; Rexxer ECU Reflash, Andreani Cartridges, Apex Clipons, 520 45T, DNA filter and snorkel removal, Accosatto clutch & brake masters, Mussan MPdemon header & decat link pipe, Skidmarx Bellypan, HLD seat cowl, Sport Screen, CRG Arrows, LED retrofit(Opt7, Zevo, Watsen), R&G Tidy, Rosmoto Rearsets, T-Rex Sliders.


  11. #11
    apriliaforum expert brandonmccann's Avatar
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    So its about time for the REXXER or to go down the road of a piggyback, 95% sure it'll be the rexxer though.

    Any thoughts on opening the airbox like this - http://www.apriliaforum.com/forums/s...-of-Airbox-mod

    when I get the map? Map can be made for open airbox.

    I'd dremel out the lid, adhere a GSF1200 filter, drill 3 holes each side of the box, and relocate the sensor in the lid to the side instead of the top of the lid.

    Currently I only have snorkel removed.

    Note: Will likely be using a BMC filter for the new lid for the cost.
    Last edited by brandonmccann; 05-06-2018 at 02:17 PM.
    -----------------------------------------
    *WANT to BUY* - Healtech quickshifter, GLpro X gear indicator, aftermarket shock, HLD Large Rear Fender, Samco radiator hoses, Carbon tank panels; For 2009 Shiver.
    **For SALE** - MotoCorsaro O2 Optimiser, OEM Brake and Clutch Master Cylinders W/ Mad Hornet adjustable levers,OEM mirrors and stock muffler; From a 2009 Shiver.

    2009 Aprilia Shiver; Rexxer ECU Reflash, Andreani Cartridges, Apex Clipons, 520 45T, DNA filter and snorkel removal, Accosatto clutch & brake masters, Mussan MPdemon header & decat link pipe, Skidmarx Bellypan, HLD seat cowl, Sport Screen, CRG Arrows, LED retrofit(Opt7, Zevo, Watsen), R&G Tidy, Rosmoto Rearsets, T-Rex Sliders.


  12. #12
    apriliaforum Junkie
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    I think it's easier just to enlarge the existing opening where the snorkel was, yielding similar results for much less effort and only one filter to worry about that won't get half as dirty.
    2009 Shiver (White) | UK

  13. #13
    apriliaforum expert brandonmccann's Avatar
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    Quote Originally Posted by IndelibleInk View Post
    I think it's easier just to enlarge the existing opening where the snorkel was, yielding similar results for much less effort and only one filter to worry about that won't get half as dirty.
    I had been looking for other bikes with similar modifications and I've almost came to the conclusion that removing the snorkel is the best attempt at opening the airbox.

    Apparently the box itself is designed for the air to resonate a certain "pulse" and I would think that cutting out the lid would negate any resonation.

    Looking at R1 bikes and stuff, and people only take a dremel to the snorkel. From that, I gathered that I can probably get as much as possible of a good result by just removing the snorkel.

    I was thinking about having a spare lid to make the mod, but perhaps with it like that it's "too much air" and the engine just won't use it, while the snorkel removal leaves an optimal amount of air available.
    -----------------------------------------
    *WANT to BUY* - Healtech quickshifter, GLpro X gear indicator, aftermarket shock, HLD Large Rear Fender, Samco radiator hoses, Carbon tank panels; For 2009 Shiver.
    **For SALE** - MotoCorsaro O2 Optimiser, OEM Brake and Clutch Master Cylinders W/ Mad Hornet adjustable levers,OEM mirrors and stock muffler; From a 2009 Shiver.

    2009 Aprilia Shiver; Rexxer ECU Reflash, Andreani Cartridges, Apex Clipons, 520 45T, DNA filter and snorkel removal, Accosatto clutch & brake masters, Mussan MPdemon header & decat link pipe, Skidmarx Bellypan, HLD seat cowl, Sport Screen, CRG Arrows, LED retrofit(Opt7, Zevo, Watsen), R&G Tidy, Rosmoto Rearsets, T-Rex Sliders.


  14. #14
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    The box will still resonate, at a range of frequencies, but some / many of them will likely be different from that which it was originally designed to. The engine will never excite all those possible modes, which is sort of the point of "designing" it, and you don't know if your changes will exclude some useful ones and encourage some naughty ones instead - even just with removing the snorkel.

    The effects are usually pretty small, though, especially as compared to the benefits of removing the flow resitriction. I did try to work out a replacement snorkel that flowed better and preserved the stock Helmholtz resonance of the main airbox section, but it won't fit under the tank I don't think, if I've even got it right. This is one area an adaptive map can help, as you can see what effect your changes have made over time.

    I'd wager that opening it up in two places will lift all the useful resonances way above the engine speed range, and you'd be as well to run pod filters over the stacks. That is not necessarily a bad thing at all, I'd just question whether it's worth doing in the first place.

    Take a look at the 1200's "airbox" and filter arrangement whilst you're curious.
    2009 Shiver (White) | UK

  15. #15
    apriliaforum expert brandonmccann's Avatar
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    Quote Originally Posted by IndelibleInk View Post
    The box will still resonate, at a range of frequencies, but some / many of them will likely be different from that which it was originally designed to. The engine will never excite all those possible modes, which is sort of the point of "designing" it, and you don't know if your changes will exclude some useful ones and encourage some naughty ones instead - even just with removing the snorkel.

    The effects are usually pretty small, though, especially as compared to the benefits of removing the flow resitriction. I did try to work out a replacement snorkel that flowed better and preserved the stock Helmholtz resonance of the main airbox section, but it won't fit under the tank I don't think, if I've even got it right. This is one area an adaptive map can help, as you can see what effect your changes have made over time.

    I'd wager that opening it up in two places will lift all the useful resonances way above the engine speed range, and you'd be as well to run pod filters over the stacks. That is not necessarily a bad thing at all, I'd just question whether it's worth doing in the first place.

    Take a look at the 1200's "airbox" and filter arrangement whilst you're curious.

    on the AF1 trackbike they did the pods. Looked pretty nice but they weren't very plug and play I think so unfortunately not for me.
    -----------------------------------------
    *WANT to BUY* - Healtech quickshifter, GLpro X gear indicator, aftermarket shock, HLD Large Rear Fender, Samco radiator hoses, Carbon tank panels; For 2009 Shiver.
    **For SALE** - MotoCorsaro O2 Optimiser, OEM Brake and Clutch Master Cylinders W/ Mad Hornet adjustable levers,OEM mirrors and stock muffler; From a 2009 Shiver.

    2009 Aprilia Shiver; Rexxer ECU Reflash, Andreani Cartridges, Apex Clipons, 520 45T, DNA filter and snorkel removal, Accosatto clutch & brake masters, Mussan MPdemon header & decat link pipe, Skidmarx Bellypan, HLD seat cowl, Sport Screen, CRG Arrows, LED retrofit(Opt7, Zevo, Watsen), R&G Tidy, Rosmoto Rearsets, T-Rex Sliders.


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