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Depends on what you want your car, the 4-2-1 header gives HP gains through out the whole RPM range and the 4-1 header gives greater HP gains in the high RPM range. So you decide what you need.

Good Luck with the fly ride.

"I love my life a quarter mile at a time"
 

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Discussion Starter · #3 ·
once again thank you.. you have AIM? or anything.. not trying to bug the crap outta you or anything.. just curious <img src=icon_smile.gif border=0 align=middle>
 
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