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jacabean · 05-14-2015, 03:21 PM

anyone running these max speed headers with 200 cell cats ?

Porsche Boxster 986 / S NHP 200 Cells Exhaust Headers - Maxspeed-Motorsports

i have read mixed reviews about them . small gains but huge improvement with sound !

05-14-2015, 03:21 PM	#25
jacabean Registered User Join Date: Nov 2009 Location: mass Posts: 731	anyone running these max speed headers with 200 cell cats ? Porsche Boxster 986 / S NHP 200 Cells Exhaust Headers - Maxspeed-Motorsports i have read mixed reviews about them . small gains but huge improvement with sound !