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best can bore big bore who's tryed a bunch what works

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madmini660

Well-known member
Nov 6, 2008
518
87
28
lewistown mt
just like the post reads who really knows what works my engine builder has no info on cans and I'm not going with the stock muffler 15lbs more then I'm going to pack but want one thats not going to loose power even better gain a couple horse thanks
 
M

madmini660

Well-known member
Nov 6, 2008
518
87
28
lewistown mt
best can for big bore motor

just like the post reads who really knows what works my engine builder has no info on cans and I'm not going with the stock muffler 15lbs more then I'm going to pack but want one thats not going to loose power even better gain a couple horse thanks

title is suppost to say best can for big bore
 

winter brew

Premium Member
Lifetime Membership
Nov 26, 2007
10,016
4,332
113
56
LakeTapps, Wa.
I was happy with the Straightline I had on a SHR 860....it has a big diameter outlet. As I understand it you want to avoid diameters smaller than stock so it doesn't build too much heat on long pulls and cause detonation....I'm sure BigJohn or Kelsey can shed a good light on what works and what to avoid with their BB's.
 
8

800CatRider

Member
Nov 12, 2009
194
10
18
Cheney, WA
Got an HPS on my SHR 860. A little loud on the trail but not too bad in the pow. Never had a problem with bog since the outlet is pretty large. Best part is that it leaves plenty of room for the HotPot.
 

byeatts

Well-known member
Premium Member
Nov 29, 2007
3,402
1,215
113
just like the post reads who really knows what works my engine builder has no info on cans and I'm not going with the stock muffler 15lbs more then I'm going to pack but want one thats not going to loose power even better gain a couple horse thanks

I just had a custom Carbon can made to try on the 880@ 2.5 lbs, Will know soon, HPS was the worst by far on the BB. Have run 4 cans
 
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pfi572

Well-known member
Nov 29, 2009
457
162
43
North West Alberta
HPS is to tight for over bores. I have been running a specialty sled and it works good but a little to loud.
Byeatts let us no how the the carbon works. Have ran ran RKT 860, BMP 880 and now going to try the SHR 880 this season.
 

jdog1

Well-known member
Lifetime Membership
Dec 30, 2007
582
381
63
51
I ran the super Q on my 860 and it worked great. I had problems with the hps on it.
 

BIG JOHN

Well-known member
Premium Member
Nov 26, 2007
1,953
1,146
113
Minnesoooota
860s like...super Q, SPI, Dyno-port, MBRP, BMP and HPS
880s like.. super Q, SPI, Dyno-port, MBRP and BMP

only real killers are SLP, ultra Q, sno stuff, J/t, thing or any/all home made jobbers...BJ
 
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