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Dirty_Harry 11-12-2009 03:31 PM

Worth it?
 
http://cgi.ebay.com/ebaymotors/Ski-d...item27ace16bac

I have been tossing around the idea of putting a pipe/silencer on skidmark. I was told on Dootalk that I would see about a 5 hp gain. What do you guys think.

MX86 11-12-2009 03:37 PM

for 100 bucks i'd buy it... might want to check into making sure you wouldn't need the Y pipe as well tho...

Dirty_Harry 11-12-2009 03:47 PM

How would I know that?

Triple650indy 11-12-2009 03:49 PM

Ah, you won't see a 5 hp gain with a silencer, just ain't going to happen. Power is made in the pipe, and the silencer won't kill power.

Dirty_Harry 11-12-2009 03:49 PM

Pipe and silencer?!

mach1 11-12-2009 03:54 PM

dude thats a steal,plus it will make your sled run cooler.well my old one did.get it

Triple650indy 11-12-2009 03:55 PM

I'm not sure if that is an SLP pipe, there is very little description...

But even if you do put the pipe on are you prepared to rejet and reclutch, this isn't just $100 investment.

Also how do you think it will make his sled run cooler? If it truly is an aftermarket pipe you'll find that most pipes they prefer to run hotter because its an easy way to crank up RPMs.

rock2324 11-12-2009 03:58 PM

Put some monster stickers on it!that will give you 10hp!

Dirty_Harry 11-12-2009 04:01 PM

Quote:

Originally Posted by Triple650indy (Post 86976)
I'm not sure if that is an SLP pipe, there is very little description...

But even if you do put the pipe on are you prepared to rejet and reclutch, this isn't just $100 investment.

Also how do you think it will make his sled run cooler? If it truly is an aftermarket pipe you'll find that most pipes they prefer to run hotter because its an easy way to crank up RPMs.

I was under the impression that I would not have to rejet with a pipe.

snowsled82 11-12-2009 04:04 PM

yep u do have to rejet. i burned down a dirtbike engine when i changed pipe and silencer to fmf from stock.. ran alot better but didnt know abt jetting part at first.

Dirty_Harry 11-12-2009 04:06 PM

Huh, well nevermind then. Its nice to see the Skidoo section getting some action though lol.

westman995 11-12-2009 06:29 PM

You really thought you didnt have to rejet for a pipe? I thought you knew that. You can usually get away with not having to rejet if your just switching out the can. Maybe that is what you were thinking of. Either way, i would have bought that thing. Im sure theyre atleast 4x as much new from slp, just guessing tho. And a single pipe would be pretty nice rather than twins, wouldnt be quite as finicky with the single.

Gotmud 11-12-2009 07:33 PM

Did you buy it? I hope so.

westman995 11-12-2009 08:28 PM

Quote:

Originally Posted by Gotmud (Post 86995)
Did you buy it? I hope so.

Dont think so, he said nevermind then, and as you see its gone already. Should have bought that thing.

flatlander_summit 11-13-2009 03:03 PM

I don't know if he would have had to rejet, he should have hopped on Dootalk to ask. That sled is dpm which should mean that he'll never have to rejet that sled even with aftermarket parts on it.

Gotmud 11-13-2009 03:06 PM

^^ Very good point, you gave up too fuckin easy Harry. Most pipes made for Poos cfi don't require any ecu changes.

cuzzinolaf 11-13-2009 03:12 PM

Quote:

Originally Posted by Gotmud (Post 87154)
^^ Very good point, you gave up too fuckin easy Harry. Most pipes made for Poos cfi don't require any ecu changes.

Supposedly you don't have to rejet up to 14k feet. Jay's sled wasn't pulling more than 7000rpm in the Snowies in April but he thinks he had a clutching problem.

flatlander_summit 11-13-2009 03:20 PM

I never have had to rejet my Summit, although you can tell when it's at it's limits. My summit used to run rich as hell in the spring. As far as going up high I know I was at 10K and never had any troubles with jetting. Change the ramps and spring in the clutch and load it up and you're ready to go up high.

Triple650indy 11-13-2009 03:37 PM

Ah, I had no idea Ski-Doo was implementing this technology. In that case I apologize Harry for bad info.

cuzzinolaf 11-13-2009 03:43 PM

My sled is EFI and you need a controller box with certain pipes. SLP is the only one you don't if that makes a difference.

snowsled82 11-13-2009 03:46 PM

Quote:

Originally Posted by Triple650indy (Post 87168)
Ah, I had no idea Ski-Doo was implementing this technology. In that case I apologize Harry for bad info.

same here.. :sry:

cuzzinolaf 11-13-2009 03:57 PM

Is DPEM the same no matter what year Ski-Doo you have?

flatlander_summit 11-13-2009 04:14 PM

I don't know much about DPM the only sled i've ever had with a DPM is my 99 Summit. I haven't really researched it that much because my race sleds don't have it. There are a lot of mtn guys on snowest that have pipes and such on their sleds and I've never seen anything available for add on computers so unless those guys are doing dpm delete they must work.

westman995 11-13-2009 07:55 PM

Ah ya i forgot about that dpm crap, dont know much about them really. But its not like an EFI sled where you usually have to upgrade/change the computer or something to make it work with pipes. I think its more of one of those like variflow or similar things, (well i think thats what theyre called, i forget)

Rubi 11-13-2009 08:04 PM

Wouldn't you have to recalibrate the baseline jetting for DPM if you got a new pipe? Variflow or DPM just adjusts for temp and elevation according to the baseline jetting you establish. If a pipe changes the jetting, it wouldn't account for that.


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