I'm running NHP headers with high flow cats and NHP midpipes that delete the rear cats. I traded my old base boxster muffler for a Boxster S muffler. I love it! It's louder and sounds great when the car warms up without being obnoxiously loud. Almost a year with this setup and zero problem. ZERO REGRETS! 
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TimAustinW
http://i226.photobucket.com/albums/d...ignature-1.jpg
02 Seal Grey, NHP Headers w/ Highflow Cats/2ndary Bypass Pipes, smoked side markers/3rd brake light, exterior match interior trim, 986 Lloyds Mats, 986 deck lid emblem, arctic silver intake grills, ipod link, painted calipers, Glass Window Robbins Top with defroster kit, Bose Sound System, Leather lower door panels, Console Lid w embroidered crest; Stainless door sills; Painted Bumperettes; Custom Hood Crest
Last edited by TimAustinW; 02-19-2010 at 05:27 PM.
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