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Grumpy mod done w/pics

This is a discussion on Grumpy mod done w/pics within the General RZR Discussion forums, part of the General RZR category; Just did the grumpy mod, hopes this helps because I don't want to have to spend $39 every couple of trips, hell that's 2 30 ...


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  #1  
Old June 19th, 2012, 02:05 PM
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Grumpy mod done w/pics

Just did the grumpy mod, hopes this helps because I don't want to have to spend $39 every couple of trips, hell that's 2 30 packs of beer. Opening is cut 6 inches wide and 6.25 inches tall. Web site won't let me load pics so I will try a different way. [IMG] [/IMG]
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Last edited by scubadnv; June 19th, 2012 at 02:33 PM.
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  #2  
Old June 19th, 2012, 06:34 PM
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Re: Grumpy mod done w/pics

what is the part number for the filter, and will this really help with the dirt in the intake
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Old June 19th, 2012, 06:42 PM
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Re: Grumpy mod done w/pics

That will be loud..
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Old June 19th, 2012, 06:53 PM
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Re: Grumpy mod done w/pics

actually its not that loud, i have it done with a fram filter, paper, because itll filter better

Last edited by darkstar_420; March 2nd, 2013 at 10:32 AM.
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Old June 19th, 2012, 07:03 PM
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Re: Grumpy mod done w/pics

That will definitely work on keeping your Air Box Cleaner! If it gets to loud then your half way there for a easy snorkel on up top to keep the noise down. But I bet it won't be bad at all!
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Old June 19th, 2012, 07:24 PM
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Re: Grumpy mod done w/pics

K&N P# 33-2008-1 I don't expect a noise isssue since I have a PRP bench seat between it and me, just remember to adjust clearance between seat and the filter if you have a rear bench. When I first put the seat in it made a perfect seal on the filter.
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Old June 19th, 2012, 08:34 PM
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Re: Grumpy mod done w/pics

It's not loud at all. I was using paper filter but went to the K&N. You can pull it out and tap out the dirt and good to go. At the end of the ride just rinse with water and let dry. I can make 3 to 4 rides before checking the stock filter, which has a Outerwear on it. Also no oil on the K&N filter.
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Old June 19th, 2012, 08:48 PM
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Re: Grumpy mod done w/pics

nice mob but what are the measurement for the cut out (ie: how far from the bottom for the first line and the side lines where did you measure from)
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Old June 20th, 2012, 03:50 PM
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Re: Grumpy mod done w/pics

would it be better to do this to keep the dirt out or just snorkel it to keep the dirt out
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Old June 20th, 2012, 04:41 PM
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Re: Grumpy mod done w/pics

I did away with my setup after I put a bench seat in. It was restricktive and was to loud (to much belt wine). I put a piece of rubber back over the hole I cut to get it back to factory but I added a snorkel going directly into the box from the top and put a filter on that so it pulls air from the snorkel and factory air inlet. The cvt and motor need alot of air and I just didnt think they would get that much air with that setup and a bench seat plus the filter got dirty quick which retricted that much more.
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Old June 20th, 2012, 04:45 PM
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Re: Grumpy mod done w/pics

Quote: Originally Posted by whiteeye42 View Post
nice mob but what are the measurement for the cut out (ie: how far from the bottom for the first line and the side lines where did you measure from)
I wouldn't want to give a dimension from the bottom since the assembly of the air box and foward panel could vary considerably possibly causing you to cut the bottom of the air box so the best thing would be to reach under the panel to find the bottom of the air box and base your measurements off of that and start a bit higher than that. The filter comes with a seal which is very close to the the dimensions of the filter and I used it as a template for the hole, this made the hole smaller than it will finally be but it is a bunch easier to enlarge the opening a bit at a time than try to figure out a way to make it smaller so start at "your" base line, mark a center line and cut to make your filter fit snugly. Hope this helps.
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Old August 4th, 2012, 03:00 PM
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Re: Grumpy mod done w/pics

Don, just wanted to say thanks for posting these pics and info. I got mine done today and this thread made it so easy. I used a dremil to cut out the opening. Ordered the k&n filter from advance auto yesterday and it arrived this morning. 29.95. Thanks a bunch
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Old August 4th, 2012, 03:06 PM
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Re: Grumpy mod done w/pics

You are welcome. I made a small improvement after the install since the noise was a bit more with the mod. I fabed a scoop out of sheet metal to go over the filter and the pick up is more like the factory set up drawing air from below and this also keeps the seat from touching the filter because at the end of every ride I could see the imprint of the filter on the back of my seat. This mod could also offer protection from elbows, gear or what ever making contact.
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Last edited by scubadnv; August 4th, 2012 at 03:20 PM.
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Old August 5th, 2012, 05:29 AM
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Re: Grumpy mod done w/pics

Quote: Originally Posted by darkstar_420 View Post
exactually its not that loud, i have it done with a fram filter, paper, because itll filter better
Darkstar Do you have the Fram Filter #.
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Old August 5th, 2012, 05:37 AM
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Re: Grumpy mod done w/pics

Scuba,

One quick question... You used black foam in a can at the bottom of the filter hole. Did you go all the way around it or did you make a mistake and use the foam for just the bottom edge?


I ask because obviously if the hole is the right size, it should fit without any foam.


Just checking.

Thanks,

Mark
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