986 Forum - The Community for Porsche Boxster & Cayman Owners - View Single Post - Are Headers Do-Able For Street This Way?

BYprodriver · 11-17-2012, 01:05 PM

Opened up my oem manifolds a little by grinding down the welds at the entrance & exit point. Effectively increased minimum diameter over 3/8". Every little bit helps, especially with 3.6L