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exhaust slip on question
Posted: Thu May 26, 2011 8:54 am
by jos21802001
right now i am running a titanium R1 exhaust with V&H Superstock header jetted stage 1 k&n drop in and som int eng work. I just bought a V&H slip on but the packing and all was took out of it. What is your thoughs on the V&H vs the R1 Tit? I thinking i more curious about the back pressure i do have to fine tune my bike and wanted to figure out which exhuast to keep on and which one to sale
Re: exhaust slip on question
Posted: Thu May 26, 2011 4:35 pm
by jos21802001
what are the pros and cons to running a muffle with no pack or anything in it ?
Re: exhaust slip on question
Posted: Fri May 27, 2011 7:57 am
by taggy
no packing = very noisy! wouldn't be allowed over here! prob reduce back pressure too.
Re: exhaust slip on question
Posted: Fri May 27, 2011 11:41 pm
by sweekster
You'll lose back pressure and subsequently some low end. And, as said, it'll be really loud. My suggestion to be take your bike for a quick ride with just the open header. That will give an idea of what to expect.
Re: exhaust slip on question
Posted: Thu Jun 02, 2011 8:10 am
by SquadraCorse
If both mufflers are straight through you're not going to lose any back pressure. The packing material is there to attenuate the sound waves and has no effect on flow. Other than it being offensively loud I imagine you'll see no difference.
Re: exhaust slip on question
Posted: Thu Jun 02, 2011 8:49 am
by DonTZ125
SquadraCorse wrote:If both mufflers are straight through you're not going to lose any back pressure. The packing material is there to attenuate the sound waves and has no effect on flow. Other than it being offensively loud I imagine you'll see no difference.
I'll disagree with that - 125 and 250GP strokers WILL lose power as the packing absorbs oil and degrades, and you don't more 'straight-through' than those pipes! *Something* happens with the resonance that the bike doesn't like.