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Dasa vs Barker dyno runs


whoppes27

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Thought I would post this up to add to the new form. These were back to back runs with a dasa pipe and a barker pipe. Dyno conditions could have been much better but regardless it still shows the difference in the pipes.

 

Mods at the time were:

2006 450r

ss/sb

Racers Edge port with +1 valves x4

crf head gasket

Web fbc 208/921

13.5 cp piston

42.5 fcr taper bored

110 sunoco

Stock intake with a k&n

 

Green/red are Dasa

Black/blue are Barker

 

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Racers Edge Powered 2006 trx450
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Dasa ftw :lhdevil:

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wonder if the shorty dasa would show any improvemnt?

 

I bet it would pick up 1-2 hp but the dunes I ride in MI require a spark arrestor and they also have sound restrictions (stupid, I know) they have been letting me slide by without a quite core though. If I have the pipe cut it might be too loud.

Racers Edge Powered 2006 trx450
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Guest Deven

Shortys show improvement on some motors but not all. seems to be that not all motors like the shorty. Would be interested in seeing though.

 

Good comparison.

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Yea john almost gave me a cut dasa for this test instead of full length can but we thought this would be more fair for a comparison. If John runs them with his port work and motors very similar to mine, I would expect a cut dasa would show a gain on my build, but your right, unless I tested it theres no way of knowing.
Racers Edge Powered 2006 trx450
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