Quote:
Originally Posted by gabedrummin
I have a 2000 Boxster 3.2 running a cold air kit with NHP 200 cell headers a circuit works secondary cat delete with resonators and a Borla muffler . No cel problems.Sounds amazing..!
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I have the exact same exhaust configuration except I my secondary pipes don''t have the resonators. Was at Bondurant yesterday and it sounds amazing! It might be an issue for tracks that have a low sound limit (90-92 dB). You really hear it when you go by concrete barriers or a tunnel  So if you want to keep the stock headers, just put in the secondary test pipes and a good quality muffler. The Borla muffler came with the car when I bought it and I kept in because it didn't drone and sounded/looked great.
I did notice the oil temperature creeping up to ~240F. This is the highest I've seen in this car. Two factors may have affected this: new NHP headers (more air flow/fuel/heat) and high ambient air temp (95F). I'm leaning towards the hot air temp.
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2002 Boxster S - NHP 200 Cell Headers,test pipes,Borla CatBack,Competition Plenum,74 mm TB, EVOMS Tune,Tarett UDP,Eibach Swaybars,BIlstein PSS9s,TuneRS rear toe links,wheel studs,15 mm wheel spacers on all 4,EBC yellow stuff pads,Sebro rotors, EBS oil baffles,160 deg Thermostat,2 quart Accusump,full filtration remote oil filter,rad fan switch,custom gauge/switch plate, Race Capture data logging, 90K miles
Last edited by AZ986S; 04-23-2018 at 08:04 AM.
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