Zr7000 stock exhaust mod vs aftermarket - HCS Snowmobile Forums

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Old 03-23-2020, 01:12 AM   #1 (permalink)
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Default Zr7000 stock exhaust mod vs aftermarket

Is say an mbrp trail can alot louder than a stock exhaust mod? It's my wife's sled I dont want anything rude but she's gunning for my friends 1200 so I need to do some voodoo and this is one of the things on my list lol
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Old 03-23-2020, 01:25 AM   #2 (permalink)
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Yes quite a bit. I have a Excell modified stock can. It is throatier and deeper sounding then stock. My SPI can is quite a bit louder then the modded stock but still reasonable on sound level.
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Old 03-23-2020, 09:23 AM   #3 (permalink)
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Yes quite a bit. I have a Excell modified stock can. It is throatier and deeper sounding then stock. My SPI can is quite a bit louder then the modded stock but still reasonable on sound level.
You recommend the excell? I would have to ship my stock one and I think its $150usd to get it modded but there is a local guy who has a trail can he wants $70 cad for.. just doing the math and if the noise volume is the same why not..
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Old 03-23-2020, 12:43 PM   #4 (permalink)
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I have a SLP can if interested?
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Old 03-23-2020, 01:38 PM   #5 (permalink)
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I have a SLP can if interested?
If I'm buying aftermarket I'll buy the one local, cant beat the price but I'm leaning towards paying the extra for the stock muffler mod, I see alot of aftermarket trail cans for sale makes me wonder...
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Old 03-23-2020, 07:21 PM   #6 (permalink)
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Here in Ontario if you get checked and have anything other than a stock can you will get fined on the spot. I would love to go after market MBRP trial can but not at the expense of the fine
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Old 03-23-2020, 08:26 PM   #7 (permalink)
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@jminor1 Here is a dyno sheet of the 7000/viper motor showing the increases in HP with the different upgrades.

On my 2014 7000 I installed a air intake system, after market exhaust, and clutch kit and it definitely made a big difference. I would get 5+ sled lengths ahead in less than a 1000' of a stock 7000, before the upgrades we where dead even.

The four stroke motors like to breath.
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Old 03-23-2020, 11:07 PM   #8 (permalink)
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@jminor1 Here is a dyno sheet of the 7000/viper motor showing the increases in HP with the different upgrades.

On my 2014 7000 I installed a air intake system, after market exhaust, and clutch kit and it definitely made a big difference. I would get 5+ sled lengths ahead in less than a 1000' of a stock 7000, before the upgrades we where dead even.

The four stroke motors like to breath.

What clutch kit you use? Mines a 7000
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Old 03-23-2020, 11:08 PM   #9 (permalink)
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Here in Ontario if you get checked and have anything other than a stock can you will get fined on the spot. I would love to go after market MBRP trial can but not at the expense of the fine
I too am in Ontario
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Old 03-24-2020, 07:32 AM   #10 (permalink)
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The air box is extremely restricted on those. Do an airbox mod also. You can do it for free if you watch the YouTube video. Stingrays yamaha viper air box mod. Also some clutching to get it to hold 9000 rpm and you will not get beat by that 1200.
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