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Old 04-21-2009, 08:34 PM   #1
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afertmarket vs. oem headers

MH,
i wanna know, what is the difference between the aftermarket headers eg akra, yoshi etc and OEM and "DIY" stainless steel headers.?
Other than weight issues, what makes putting on a akrapovic or yoshi full system together with the headers gives loads of BHP..?? width???
should i spend my gees on an aftermarket header or the stainless steel ones or just stick with OEMs.?
Btw, i got a two bros slip-on. i wanted to buy the full system but didnt have the money 6 months ago now im looking for the header to make it a full system but i cant find one anywhere. where can i find one also? thanks!!
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Old 04-21-2009, 09:11 PM   #2
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header design often times plays a roll too.

My muzzies had continually widening width from the head on down to the collector. The welds were clean on the inside with little drag. The runners also came together 4-double 2s-1(busa.)

Weight makes a big difference especially w titanium setups. The intermediate pipe usually doesn't carry baffling that stock pipes may have built in(assuming you already replaced the intermediate with the slip on.)

Lemme do some checking for a single head; but it may be difficult to find. Since you're there, does your bike have a pair valve system to remove?
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Old 04-21-2009, 09:13 PM   #3
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Do you have the short can or the gp?
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Old 04-21-2009, 09:14 PM   #4
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I was wondering the same thing. I wanted to get some nice headers to go with my yoshi pipe but was told there was not really any advantage to it, although i don't buy that. if anyone has some r6 yoshi headers for sale lmk goddamit!
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Old 04-21-2009, 09:16 PM   #5
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From what I've read, you're better off with a quality slip-on(Akra, Arata, LeoVince, etc) than a 2Bros full system.

Cali's on the right track. It has everything to do with R&D. The more expensive pipes/systems are expensive because they're designed to perform rather than look good.

It's a painful truth, but you're better off upgrading the rider.

I bought a slip-on before I researched. It's been killing me every since. BUT, I'd rather spend my money making laps nowadays, so I'm over it.
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Old 04-21-2009, 09:17 PM   #6
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I agree w the above; a slip on already drops 10lbs, there is little be gain that will be used after that normally...


But if you were still interested... Example:

http://www.kneedraggers.com/details/...0--644082.html


Just an idea, but for about 200 dollars turn around, sell your slip on and buy the whole system...
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Old 04-21-2009, 09:26 PM   #7
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i have the shorty...
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Old 04-21-2009, 09:27 PM   #8
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Quote:
Originally Posted by 07SLVRCBR View Post
From what I've read, you're better off with a quality slip-on(Akra, Arata, LeoVince, etc) than a 2Bros full system.

Cali's on the right track. It has everything to do with R&D. The more expensive pipes/systems are expensive because they're designed to perform rather than look good.

It's a painful truth, but you're better off upgrading the rider.

I bought a slip-on before I researched. It's been killing me every since. BUT, I'd rather spend my money making laps nowadays, so I'm over it.
so your saying two bros is not a good quality system???
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Old 04-21-2009, 09:28 PM   #9
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so your saying two bros is not a good quality system???
That is absolutely what I'm saying.
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Old 04-21-2009, 09:37 PM   #10
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spend your "gees" on a 750. then when you want more. get a 1000. then when you want more get a Busa.


but if you wanna just add on to your bike....

i'd go with the full akro or the full leo vince
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Old 04-21-2009, 09:41 PM   #11
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Quote:
Originally Posted by Mr. Unassailable View Post
spend your "gees" on a 750. then when you want more. get a 1000. then when you want more get a Busa.


but if you wanna just add on to your bike....

i'd go with the full akro or the full leo vince
im just gonna keep my bike and buy a couple more things for it. i gotta save money for a car. hopefully after i get a car ill turn this bike into a stunt bike and get a gixxer 1k.
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Old 04-21-2009, 09:43 PM   #12
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im just gonna keep my bike and buy a couple more things for it. i gotta save money for a car. hopefully after i get a car ill turn this bike into a stunt bike and get a gixxer 1k.
If you're going that route, I would keep it as is.

Save the duckies for the new ride.

You'll likely trash it as a stunt bike.
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Old 04-21-2009, 10:08 PM   #13
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Quote:
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MH,
i wanna know, what is the difference between the aftermarket headers eg akra, yoshi etc and OEM and "DIY" stainless steel headers.?
Other than weight issues, what makes putting on a akrapovic or yoshi full system together with the headers gives loads of BHP..?? width???
should i spend my gees on an aftermarket header or the stainless steel ones or just stick with OEMs.?
Btw, i got a two bros slip-on. i wanted to buy the full system but didnt have the money 6 months ago now im looking for the header to make it a full system but i cant find one anywhere. where can i find one also? thanks!!
OE pipes are like a dreary housewife,
Akra/Yoshi/Leo/Arata are the high end strippers

OE pipes are compromised to meet strict emission/pollutant requirements, aftermarket performance headers are less so!
then there are flow characteristics which again are comprimised in a mass produced system.
Have a look at the internal welding on an Akra
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Old 04-22-2009, 05:42 AM   #14
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since your a newer rider, spend the $ on a trackday, it'll improve your riding skill over a set of headers.
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Old 04-22-2009, 06:08 AM   #15
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I cannot justify the cost to HP ratio at least on my bike. I may get an extra 2-3 HP and to me that is not worth the cost. Now if it were 10-15 now we would be talking. I like my stock exhaust anyway. Never was a big fan of loud exhaust.
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Old 04-22-2009, 07:21 AM   #16
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Quote:
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I was wondering the same thing. I wanted to get some nice headers to go with my yoshi pipe but was told there was not really any advantage to it, although i don't buy that. if anyone has some r6 yoshi headers for sale lmk goddamit!
Try http://shop.mjsperformance.com/

They use a modified 05 header with new merge. They will even pay you for your core. I personally wont spend 1g on headers on a bike; these are like 300 bucks.
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