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Old Nov 5, 2011 | 09:28 AM
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PI
What does that mean?
 
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Old Nov 5, 2011 | 09:43 AM
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Performance improved heads 00-04

Denny
 
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Old Nov 5, 2011 | 10:01 AM
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Cool, Thanks'
 
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Old Nov 5, 2011 | 11:52 AM
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And was this a stock config or aftermarket? How does one tell if they have them?

-Mac
 
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Old Nov 5, 2011 | 01:13 PM
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Originally Posted by Mac Daddy
And was this a stock config or aftermarket? How does one tell if they have them?

-Mac
You have a 01 so you have them, they became stock in 00 along with a increase in HP and torque.

Denny
 
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Old Nov 6, 2011 | 06:37 AM
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Here's a photo showing the PI designation---have to look to find it when installed:

 
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