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root_werks · 03-16-2010, 07:10 AM

Before we have him start drilling holes in those headers and having bungs welded in, look closely at the 3-bolt flanges. Do those look rounded to you? They kinda do to me.

I believe those are 2.5 headers and will NOT bolt up to your secondary cat-pipes. The flanges are DIFFERENT.

I could be wrong, but double check it. Take a striaght on picture of your collector flange, post it here. Those may not work on your Boxster.

-Dan

03-16-2010, 07:10 AM	#10
root_werks Registered User Join Date: Apr 2008 Location: Seattle Posts: 92	Before we have him start drilling holes in those headers and having bungs welded in, look closely at the 3-bolt flanges. Do those look rounded to you? They kinda do to me. I believe those are 2.5 headers and will NOT bolt up to your secondary cat-pipes. The flanges are DIFFERENT. I could be wrong, but double check it. Take a striaght on picture of your collector flange, post it here. Those may not work on your Boxster. -Dan __________________ When I set my timing, why do I flush, then pee?