850 Can and Clutch Kit Recommendations - Page 4 - HCS Snowmobile Forums

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Old 09-04-2019, 03:16 PM   #31 (permalink)
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Of all the clutch weights we've tested throughout the years, adj weights with magnets were the worst performing.
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Old 09-10-2019, 04:25 PM   #32 (permalink)
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Lots for good feedback, thanks again!

In my searching found that SLP, BMP, and Straightline Performance all offer a single pipe. BMP and Straightline indicate no ECU mods are needed. Anyone have any feedback on the single pipes offered from any of these companies?

Peak HP is slightly better, but really nice gains in mid rpm range.
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Old 09-11-2019, 07:25 AM   #33 (permalink)
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Lots for good feedback, thanks again!

In my searching found that SLP, BMP, and Straightline Performance all offer a single pipe. BMP and Straightline indicate no ECU mods are needed. Anyone have any feedback on the single pipes offered from any of these companies?

Peak HP is slightly better, but really nice gains in mid rpm range.
no experience with straight line. this year we plan on testing one.

but in 2015 we took 3 identical sleds all 800 pro-s sb
and ran them 3 times stock. to 1000' they traded wins, who every got the hole shot usually won. all very close. then put a jaws, slp, and bmp pipe into the stock can. no clutch changes. the slp piped sled won all three times by a length length and a half. then put each mfg mufflers on them. same result. proving the muffler does absolutely nothing but make noise.

put our clutch kit in the jaws piped sled and took the pipe off. 2-3 lengths over the other two. proving once again a good clutch kit is the best bang for your money spent. then our clutch kit on the other two. the SLP sled just walked away. the last test was a bully dog with a tune to match the BMP pipe. the BMP sled with our clutching was top dog now. but it was only by a length.

now money to go fast. going by retail price. SLP pipe/can $719.95 our clutch gearing kit at the time with a roller tensioner $495. so $1,214.95. the BMP set-up pipe/can $845.90 our same clutch gear set-up $495 the bully dog with tune $650 so $1,990.90 to get a length more.

now we didn't test any father than this so things may change a bit further out. this took a whole week-end from day light to dark to do. a lot of work for 4 people. and we had a radar gun and porta tree as well. so some interesting data. when the porta tree worked? it doesn't like cold to much. what was surprising was just the clutch kit sled was only a length or so back from the piped SLP clutched sled and 2 behind the BMP piped, clutched, and tuned sled.

so yes the pipes make more power than stock but is it worth the money? only you can decide that. we sell a ton of pipes so i guess a lot of guys think it is?

if you want to be first the BMP set-up with a tune is what won at the end of the day. and the tunes have gotten a lot better today than they were in 2015.
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Last edited by northstarrick; 09-11-2019 at 07:29 AM.
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Old 09-12-2019, 06:24 PM   #34 (permalink)
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Quote:
Originally Posted by morsnow View Post
Lots for good feedback, thanks again!

In my searching found that SLP, BMP, and Straightline Performance all offer a single pipe. BMP and Straightline indicate no ECU mods are needed. Anyone have any feedback on the single pipes offered from any of these companies?

Peak HP is slightly better, but really nice gains in mid rpm range.
As Rick mentioned pipes do work and they do make more power but the gains come at a high cost per gains. Clutching dollar for dollar has always been the best modification.
The test Rick performed with various pipes were on a given day with given temps and conditions, one thing I noticed with aftermarket pipes is that they are more sensitive to weather changes than the OEM pipe that comes on the new sleds. Keep in mind there were performance company’s testing ECU re flashes last season with positive results there should be offerings from a few company’s this fall. With good clutching and a good tune you should have a consistent performance increase with comparable performance gains while spending less money than a single pipe system.
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Old 09-13-2019, 10:45 AM   #35 (permalink)
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I wish someone would make an OEM muffler design, but out of Titanium to get the lower weight benefits (but get same stock sound, not loud!). Might be costly, but I'd venture to guess it would sell. Heck, make an OEM pipe design out of Titanium as well - less weight has its benefits!
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Old 09-13-2019, 10:29 PM   #36 (permalink)
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The SLP Power Shift CK comes with helix, 2 springs & weights. Because I don't know, are these fixed weights or adjustable? Look like they're not adjustable, anyone have an idea of how much they do weigh or anyone have experience with this kit? I'll say my masheen (clutching) I feel was very good last year, just want a little more....Anybody??
Also, where does a Derlin washer fit into this? Throw one in for the sake of preventing any binding?
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Old 09-14-2019, 07:39 AM   #37 (permalink)
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The MBRP Trail can only adds 3 more decibels, has great fit and finish, sounds awesome.
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Old 09-15-2019, 10:22 AM   #38 (permalink)
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Quote:
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I wish someone would make an OEM muffler design, but out of Titanium to get the lower weight benefits (but get same stock sound, not loud!). Might be costly, but I'd venture to guess it would sell. Heck, make an OEM pipe design out of Titanium as well - less weight has its benefits!
cant tell the difference trail riding a sled with a full tank of fuel to a half tank of fuel. So to save a few lbs on a 500$ Titanium muffler would be pointless IMO the snow in the skid weighs more
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Old 09-16-2019, 01:37 PM   #39 (permalink)
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The MBRP Trail can only adds 3 more decibels, has great fit and finish, sounds awesome.
If I remember correctly, that is more than double the measured sound
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Old 09-16-2019, 08:46 PM   #40 (permalink)
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The MBRP Trail can only adds 3 more decibels, has great fit and finish, sounds awesome.
Along with 3 hp loss vs the oem suitcase.
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