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Old 09-01-2014, 08:52 PM   #15
Porsche9
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Quote:
Originally Posted by jsceash View Post
If you look at the performance data for the 2005 base and the 2003 S there is very little difference Porsche improved the HP of the 2005 so there is only about 18 HP difference. 2003 S 258HP, 2005 base has 240 HP, 2006 Base has 258 HP

My guess would be replace the UDP and Exhaust and your equal.
Don't forget the difference in peak torque. The 03 S has 236 and 05 base has 199. In this case the is no replace for displacement.
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