Exhaust power gains,is it real??? - Sportbike Forum: Sportbike Motorcycle Forums
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post #1 of 13 (permalink) Old 07-23-2007, 04:08 AM Thread Starter
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Exhaust power gains,is it real???

Back in my moto days our trust in our pipes and tuning giving us that O so sought after power was a reality,now that I have begun my foray into the sportbike way of life it has led me to this question.....is there an exhaust sytem that realy adds power without there being a turbo slaped on the bike??

Ones blade may be sharp,but it may never strike its opponent if weilded by the inexperienced-Tetsuo Yamahara
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post #2 of 13 (permalink) Old 07-23-2007, 01:00 PM
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Re: Exhaust power gains,is it real???

Quote:
Originally posted by Tunelvision
Back in my moto days our trust in our pipes and tuning giving us that O so sought after power was a reality,now that I have begun my foray into the sportbike way of life it has led me to this question.....is there an exhaust sytem that realy adds power without there being a turbo slaped on the bike??
The gains from a pipe alone are extremely minimal at best.




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post #3 of 13 (permalink) Old 07-23-2007, 07:23 PM
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in the US emmissions and sound is tested around 5,000 RPM, so in order to meets the requirements, you can actually see a dip in bhp around the 5,000 mark.

Now come the claims of after-market exhaust manufacturers... There claims tend to be true, but when they claim to add 6 bhp, they don't state that they new found bhp is measured where the dip was, and usually it is hard to find the note stating the increased bhp is from also remapping/jetting which is reccomended on most full systems.

Simply remapping or re-jetting would gain you a few bhp by eliminating the dip manufacturers give us so they meet testing. The actual exhaust gain is nominal - lose a few pounds by going on a diet and the effects would be better

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post #4 of 13 (permalink) Old 07-23-2007, 07:29 PM
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...lose a few pounds by going on a diet and the effects would be better
Hehe.

Taking some lessons would probably add to that, too.




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post #5 of 13 (permalink) Old 08-01-2007, 08:08 AM Thread Starter
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lol,A loss of poundage for me is near impossible,im actualy going to gain more weight due to my training and more muscle weight,lol.

In other words what can I do to add proficient amounts of power?

Ones blade may be sharp,but it may never strike its opponent if weilded by the inexperienced-Tetsuo Yamahara
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post #6 of 13 (permalink) Old 08-01-2007, 08:43 AM
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nitrous

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Really, no need to. Four wheels to move the body, two wheels to move the soul.
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post #7 of 13 (permalink) Old 08-01-2007, 01:31 PM Thread Starter
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lol.I dont want to sacrifice engine reliability for power,there must be other ways.

Ones blade may be sharp,but it may never strike its opponent if weilded by the inexperienced-Tetsuo Yamahara
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post #8 of 13 (permalink) Old 08-01-2007, 01:34 PM
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Whats your reason for needing more power? just wondering.
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post #9 of 13 (permalink) Old 08-01-2007, 03:54 PM Thread Starter
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Controled insanity,lol.
I plan on racing and was just wondering what i can do to my bike to pick up the pace.

Ones blade may be sharp,but it may never strike its opponent if weilded by the inexperienced-Tetsuo Yamahara
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post #10 of 13 (permalink) Old 08-01-2007, 04:13 PM
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ive got a 2004 cbr 1000rr wiht some mods. lol

custom mapped and dyno'd at 161.4 whp and 81.7wtq.
mods are:
arata slip-on, bmc race filters, gutted stock air intake, 2006 velocity stacks

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