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Old 04-20-2015, 08:33 AM   #28
KRAM36
Need For Speed
 
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Join Date: Feb 2013
Location: Funville
Posts: 2,114
Garage
Quote:
Originally Posted by Heiko View Post
No just the stock headers for now... at least this way there is no CEL issues as the pre/post O2 sensors are kept in place in their original location; But from the flange back its all Fabspeed Thanks by the way, its not easy to keep it clean under there, but I try
I was curious. I have to go with the NHP headers because I have a Tiptronic trans. They have a set with 200 cell cats and will not trigger a CEL and no modifications needed to work with a Tip trans.

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

Quote:
Originally Posted by Dlirium View Post
I have this same Borla system on my 2000 S, drones like a maddog! Lots of great burble and popping. HOWEVER, when I installed the Top Speed test pipes (secondary cat deletes), the volume and drone were both significantly lowered! Makes them quite livable, and I can get away with a 92db day at Laguna Seca :-)
I am going with secondary cat delete pipes from Circuit Werks. You've raced your Boxster at Laguna Seca?
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2003 Boxster S
| 987 Air Box | K&N Air Filter | 76mm Intake Pipe| 996 76mm TB | 997 Distribution T | Secondary Cat Delete Pipes | Borla Muffler | NHP 200 Cell Exhaust Headers |
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