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Old 05-03-2013, 10:04 AM   #1
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Are 99-04 intake manifold pi from factory?

Are 99-04 intake manifolds pi from factory? And then 96-98 are non-pi? I thought all 96-04 intake manifold were pi from factory?
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Old 05-03-2013, 10:29 AM   #2
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Are 99-04 intake manifolds pi from factory? And then 96-98 are non-pi? I thought all 96-04 intake manifold were pi from factory?
96-98 npi 99-04 pi
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Old 05-03-2013, 10:30 AM   #3
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Are 99-04 intake manifolds pi from factory? And then 96-98 are non-pi? I thought all 96-04 intake manifold were pi from factory?
96-98 are NPI (non performance improved) which means there heads, cams and intake are NPI where the 99-04 are PI the heads,cams and intake
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Old 05-03-2013, 10:44 AM   #4
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I have a 2003.. all pi intakes have a blue gasket on top but mines red.what are the differences of pi and nonpi
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Old 05-03-2013, 09:15 PM   #5
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I have a 2003.. all pi intakes have a blue gasket on top but mines red.what are the differences of pi and nonpi
What gasket do you mean? Have a pic? Many replacement gaskets can be different colors not all are the same color i know oem is blue
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Old 05-03-2013, 09:56 PM   #6
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What gasket do you mean? Have a pic? Many replacement gaskets can be different colors not all are the same color i know oem is blue
The gasket between the intake manifold and plenum
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Old 05-04-2013, 06:27 AM   #7
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I replaced my gasket and intake manifold on my 2003 mustang gt and the fel pro gasket was red
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Old 05-04-2013, 08:59 AM   #8
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All '99 through '04 GTs have the PI design intake manifold (and cams/heads/etc). The only difference is that the early models ('99 to '01-1/2 IIRC) have the plastic coolant crossover.

The newer manifolds with the aluminum crossover are identical to the FRPP replacement unit...
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