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post #1 of 19 (permalink) Old 01-18-2009, 12:15 AM Thread Starter
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SLP Pipe & Can

After riding a few hundred miles on my new sled I am looking to get just a little more power from her. I have read lots of good things about SLP pipes and cans and how they were developed in unison with Polaris for better performance without voiding any warranties. However, I am a very sound consious rider. Does anyone know how much louder an SLP can will make my sled, 600 switchback, sound? Will it still pass Michigan's new sound tests?

2009 Polaris 600 Switchback
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post #2 of 19 (permalink) Old 01-18-2009, 12:52 AM
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Cruise around SLP's website. They have an article on the 78 dB sound issue, some examples of stock sleds and comparison's with some of their pipe combo's. It's an older article...but if your sled isn't listed, I bet they would answer an email with numbers.

Either way...I doubt it will be overly loud....just a different sound.

1991 Polaris Indy 500 (SOLD)
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post #3 of 19 (permalink) Old 01-18-2009, 02:13 AM
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Man, just buy a clutch kit. It will be the same price as a can and pipe probably cheaper actually. You don't need a can and plus you would get more from the clutch kit, don't give in i can say this for many others WE WANT TO KEEP OUR TRAILS!

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post #4 of 19 (permalink) Old 01-18-2009, 09:16 AM
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all of SLP's products are 52 state legal... yes thier cans are quiet and thier pipes are too this is unless you crack the throttle then you can hear it but thats normal for a can and pipe..
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post #5 of 19 (permalink) Old 01-18-2009, 09:18 AM
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buy it and love it.... its perfectly fine and thier not that loud
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post #6 of 19 (permalink) Old 01-18-2009, 11:03 AM
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Dude there's no point to putting a can on your trail sled though, i dont understand why people seem to like having a sled that sounds like a damn sportbike just leave it stock.

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post #7 of 19 (permalink) Old 01-18-2009, 11:06 AM
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SLP's can is not objectionable. It decreases weight and helps the pipe breathe better, and the sound is "different", not louder. You will like it.

2007 Dragon RMK 700 155", 2008 RMK 600 155", 95 Prowler 550 2-up, Really OLD AC Cheetah

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post #8 of 19 (permalink) Old 01-18-2009, 11:34 AM
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Get familiar with MI noise law.....

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post #9 of 19 (permalink) Old 01-18-2009, 11:36 AM
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Quote:
Originally Posted by polaris_olezy View Post
all of SLP's products are 52 state legal... yes thier cans are quiet and thier pipes are too this is unless you crack the throttle then you can hear it but thats normal for a can and pipe..
When did we get the other 2??

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post #10 of 19 (permalink) Old 01-18-2009, 11:49 AM
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I still think a clutch kit would work better if you want more power.

08/09 Miles-1015
ΑΣΦ-Alpha Sigma Phi

2009 Jan. S.O.T.M Winner!!!

CAN IT!If you have a can on your sled keep it OFF the trails

2008 RevXP 800r, 2006 Mach Z 1000, 2006 Rev 500ss Assault, 2004 MXZ 380f, 97 Touring LE 440, 96 Indy Lite 340, Tundra

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post #11 of 19 (permalink) Old 01-18-2009, 12:06 PM
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Originally Posted by powderhound View Post
Man, just buy a clutch kit. It will be the same price as a can and pipe probably cheaper actually. You don't need a can and plus you would get more from the clutch kit, don't give in i can say this for many others WE WANT TO KEEP OUR TRAILS!

I see your point...but for me, it's easy to just "add" horsepower and see the improved performance. It's just easier. Clutching is very complex....I've read alot of technical documents on it and it still makes me nervous. Alot can be trial and error, and not sure how much you can improve over factory....other than keeping them clean and working properly....

But like BC Dan said, SLP posts their dB readings on their site, the sled I ride is quieter than my stock 99 700 XCSP but is slightly louder than my stock 600. They (as a company) seem to be very aware of the 78dB noise testing and are designing their product around meeting that spec. I don't think the goal of adding an aftermarket pipe is to make things loud...but to gain the extra 10-20 hp...and also customize it a little.

I'm all about not losing trails and thanking landowners for letting us ride...but I think you do alot more with your actions than you do with the content of your sled.

1991 Polaris Indy 500 (SOLD)
1999 Polaris 700 XCSP (SOLD) - miss it
2003 Polaris 600 XCSP
2002 Polaris 800 XCSP w/ SLP heads and pipes
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post #12 of 19 (permalink) Old 01-18-2009, 12:43 PM
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You will still have to do clutch work to get the best performance after adding the extra hp pipe.

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post #13 of 19 (permalink) Old 01-18-2009, 04:00 PM
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IRS you your right im thinkin outta my touqe but thier is 50 haha.... oh and they are legal in all the states their not loud but they sound different... only way to makem loud is if you pin the throttle. " im from Canada but im half American but i live in Canada, nobody cares about silencers if thier not too loud around where i live and im only 16 years old and i have friends with them and most of the farmers say hey they sound nice? "
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post #14 of 19 (permalink) Old 01-18-2009, 04:20 PM
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Originally Posted by RJ Gleason View Post
You will still have to do clutch work to get the best performance after adding the extra hp pipe.
Agree...but nice that SLP tells you exactly what weights to use for your riding conditions and elevations as I don't think I'm sharp enough to figure it out for myself.

I figure if I just tried changing the clutching on my own...without guidance...I'd make it perform worse than stock.

Maybe getting comfortable about clutching will be the next step in my evolution

1991 Polaris Indy 500 (SOLD)
1999 Polaris 700 XCSP (SOLD) - miss it
2003 Polaris 600 XCSP
2002 Polaris 800 XCSP w/ SLP heads and pipes
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post #15 of 19 (permalink) Old 01-18-2009, 06:04 PM
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Quote:
Originally Posted by polaris_olezy View Post
IRS you your right im thinkin outta my touqe but thier is 50 haha.... oh and they are legal in all the states their not loud but they sound different... only way to makem loud is if you pin the throttle. " im from Canada but im half American but i live in Canada, nobody cares about silencers if thier not too loud around where i live and im only 16 years old and i have friends with them and most of the farmers say hey they sound nice? "
Yea, yea!! We've heard it all before....6 or 7 times...thanks for your input!!

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post #16 of 19 (permalink) Old 01-18-2009, 07:29 PM
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SLP gives you clutching and jetting recomendations. I have found their clutching advice to be spot on, the jetting was a little on the rich side, which was very safe. Great people to deal with, give great advice, are willing to talk to you on the phone. They really know Polaris sleds.

2007 Dragon RMK 700 155", 2008 RMK 600 155", 95 Prowler 550 2-up, Really OLD AC Cheetah

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post #17 of 19 (permalink) Old 01-18-2009, 08:27 PM
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Yup, SLP guys know what is going on and everything about it.



1997 Polaris Indy 700 RMK - Twin SLP pipes, EGT gauges -- "Fukengruven"
1997 Polaris Indy Trail RMK 488 - Stock -- "Yard Sale"

Polaris 580/597/600 crank info: http://www.geocities.com/schmidt92/polaris_faq.html

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post #18 of 19 (permalink) Old 01-22-2009, 08:28 AM
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SO say you get the pipe and can... You might have to upgrade at the pump now because of it, and how long do you think your sled will hold up with those two mods and nothing else. I know for a FACT that when i took my sled into the shop last weekend i was talking with them about this and they told me there's NO WAY that my sled would have made it through what it has if i had anything like this done to it.

08/09 Miles-1015
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2009 Jan. S.O.T.M Winner!!!

CAN IT!If you have a can on your sled keep it OFF the trails

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post #19 of 19 (permalink) Old 01-22-2009, 11:41 AM
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It's been my experience out west that the SLP single pipe/can combo combined with clutching changes (and maybe airbox mods to let the engine breathe) add horsepower and reduce weight. SLP stuff doesn't seem to detract from reliability at all. SLP and Polaris work together really well to ensure reliability in both products. I ride with a few guys that have that setup, they love the extra power and reduced weight. I did too when I had the combo on my 2002 800 RMK.

Add twins and jet on the edge? Different story, pretty much with any manufacturer's pipes. Your results may vary

2007 Dragon RMK 700 155", 2008 RMK 600 155", 95 Prowler 550 2-up, Really OLD AC Cheetah

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