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Nhp
I believe mine is NHP. I did mine hole exhaust over last year. For a little over 2K. Straight headers, 200 cell cat mid-pipes and sport muffler. It does drone at highway speed in 5th gear. I moved the sensor to right before and after the mid-pipe cat. No codes. I replaced the intake with Agency Powers cold air intake. still no codes. With Dyno Scan on My laptop in the quarter mile dyno run showed 24 HP increase after intake and exhaust. I went to FABSPEED for a ECU tune the tech there showed me their exhaust. same sound.
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2003 Black 986. modified for Advanced level HPDE and open track days.
* 3.6L LN block, 06 heads, Carrillo H rods, IDP with 987 intake, Oil mods, LN IMS. * Spec II Clutch, 3.2L S Spec P-P FW. * D2 shocks, GT3 arms & and links, Spacers front and rear * Weight reduced, No carpet, AC deleted, Remote PS pump, PS pump deleted. Recaro Pole position seats, Brey crouse ext. 5 point harness, NHP sport exhaust
Last edited by jsceash; 09-05-2011 at 06:33 PM.
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Threaded Mode
