Nismo take off exhaust, test pipes (resonated unless you don't mind rasp), Cobb (or similar) smooth tubes, K&N (or similar) high flow panel filters.
You can get all of that for around (or under) a grand, and will pick up a solid 20+ whp/wtq.
I would never put an undampened pulley on any DD engine, especially one that redlines over 7K. The effect of undampened harmonics can be relatively harmless or utterly catastrophic -- why take the chance?
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Enjoy it. Destroy it.
Last edited by Jordo!; 11-29-2012 at 12:09 AM.
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