View Single Post
Old 02-16-2012, 09:51 AM   #13
ketsa
Registered User
 
Join Date: Jun 2011
Location: Finland
Posts: 49
I measured my 2.5 stock header:
* primary pipe outer diameter is 35mm
* secondary pipe outer diameter is 41mm

My guess for pipe thickness is 1,5mm. So, inner diameters would be 32mm and 38mm (about 1-1/4IN and 1-1/2IN).
__________________
Boxster -97
ketsa is offline   Reply With Quote