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average hp gains w/ aftermarket pipe

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  #1  
Old 01-02-2005 | 06:23 PM
cr125predator's Avatar
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Default average hp gains w/ aftermarket pipe

what is the average hp gains with an aftermarket pipe. i have a predator 500 and like the trinity pipe. it says that they have a gain of 9 hp. is that good? thanks
 
  #2  
Old 01-02-2005 | 06:41 PM
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Default average hp gains w/ aftermarket pipe

if you actually got 9 hp out of that pipe it would be awesome!!!!
 
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Old 01-02-2005 | 07:03 PM
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Default average hp gains w/ aftermarket pipe

9 hp..........lol...........I doubt that!!!


The best setup on the market now is the Rath Racing headpipe, and the Nicholas Cycle silencer...........


www.rathracing.com
www.nicholascycle.com
 
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Old 01-02-2005 | 07:12 PM
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Default average hp gains w/ aftermarket pipe

Don't always believe what you read....even on the dyno. They can make it look good.
 
  #5  
Old 01-02-2005 | 07:55 PM
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Default average hp gains w/ aftermarket pipe

You may, with a power commander and mapping. get 7 percent which is about 2 to 3 horsepower. As far as the dyno goes, if you map your quad with the CORRECT air\fuel mixture you can get your true horsepower, however if you lean it out you can get more and this will show on the dyno, but you would never run your quad this way, unless you like buying engines..............!!! 9 horsepower is in my opinion an inflated number. Have them show you a dyno sheet with air\fuel ratio's and I will have Dusty at Dynojet take a look at it, but they will not provide this to you. Make sure they send you before and after.........but be aware that you can control the dyno to show any numbers you want. Maybe you need to have them send you a guarantee.........if it doesn't give you 9 horsepower then you get the pipe for free....................that would be funny!!!!
 
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Old 01-02-2005 | 11:12 PM
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Default average hp gains w/ aftermarket pipe

Power Commander? Could be wrong, but I'm sure a pred is carb'd. Trinity's dyno is very optimistic(they said 65 hp for their 686 raptor kit). I'd see if the Barker pipes are made for a pred too. If not that, definitely the rath header with the slip on of your choice
 
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Old 01-02-2005 | 11:23 PM
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Default average hp gains w/ aftermarket pipe

Not all dyno's are accurate, but you may gain 9HP with a pipe/air filter/ correct jetting, and that would be a big difference.
 
  #8  
Old 01-02-2005 | 11:24 PM
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Default average hp gains w/ aftermarket pipe

Yep the predator is carbed..........I was talkin best case scenario, so you know you will not get the gains with rejetting..................not as precise as a P.C...........
 
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