986 Forum - The Community for Porsche Boxster & Cayman Owners - View Single Post - 2.5 Boxster Tune/ header Improvements or Dyno numbers?

2ata · 05-05-2021, 07:39 AM

Did you have to go to the IPD plenum with a 74mm? Could one just swap the OEM 996 plenum and 74mm in the 986?

05-05-2021, 07:39 AM	#8
2ata Registered User Join Date: May 2018 Location: Michigan Posts: 104	Did you have to go to the IPD plenum with a 74mm? Could one just swap the OEM 996 plenum and 74mm in the 986?