What can I do to increase preformance that seems to be lacking? I have a 2004 GTO I replaced the headers with Kooks 1 3/4 long tubes and the intake with a K&N. What seems to be the problem is it doesn't want to go. It like bogs down till Rpm get up high. Please help.
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Monday, January 14th, 2008 AT 5:33 PM