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anyone lose power with mbrp can on d8's?

Nope, I installed one on my 09 dragon 800 at 400 miles. Had to go with a smaller can cause of where I installed my nos bottle. Did not notice any loss, felt like I gained in the mid range a little, and gained a whole lot of noise. Can sounds great when the front comes out of the snow. Think you will like the can. I've had them on all my sleds, and MBRP cans always sounds great.
 
I have had one on the sled since I got it new in sept 09'. I am trying to tune it now with a pc5. I have never got the rpm out of the sled as it should be. Just trying to eliminate any possibilities:face-icon-small-hap
 
I don't think its the can because I have the same issues. I took my can off, took off my nos bottle and installes the slp can that came with the slp pipe kit and there was no difference. So the next thing i'm trying is a different helix. 58-38-.46 with the delrin washers and will be able to tell you in a week if that was the remedy. If i start pulling too much r.p.m's, then it is time to throw more weight at the primary. But from what i've been reading, the
800's are have problems pulling the factory cut helix. Hope this helps.
 
I can only pull 8150 with 62 gram factory weights at home(2700 ft) with the pc5-156 hp map. last year with no pc5 in the mountains I ran 7850, would bounce to 8000 the odd pull. we ride between 5 and 8500 ft in the mountains.
at the advice of my dealer when i bought the sled i put in a clutch kit, the helix is a 66-44-46, not sure on spring, would have to check.
 
I can only pull 8150 with 62 gram factory weights at home(2700 ft) with the pc5-156 hp map. last year with no pc5 in the mountains I ran 7850, would bounce to 8000 the odd pull. we ride between 5 and 8500 ft in the mountains.
at the advice of my dealer when i bought the sled i put in a clutch kit, the helix is a 66-44-46, not sure on spring, would have to check.

This is only my findings , you will never clutch right with these after market cans all cans are junk... Or learn the hard way . Stick with only after market proven pipe and stinger combo's.
 
Another vote against the mbrp, just noise makers in my opinion and typically they are tighter than stock causeing lean condition in midrange, probably what you are feeling as a gain. It sounds to me like you have some lake racer helix in there. you need to look for lower angles like 58,40,46 or 58,38,46 for a good mtn set-up. Call Curt at fastrax
 
Another vote against the mbrp, just noise makers in my opinion and typically they are tighter than stock causeing lean condition in midrange, probably what you are feeling as a gain. It sounds to me like you have some lake racer helix in there. you need to look for lower angles like 58,40,46 or 58,38,46 for a good mtn set-up. Call Curt at fastrax


there are more than a few ways to skin a cat...
 
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