Quote:
Originally Posted by Gonzo.ss
I wanted everyone's opinion. I have my header arriving on Saturday and want to have everything for install. Is the OEM gm. Gasket the best?
Also where can I find the o2 extenders for a l99.
Thanks
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We suggest OEM gaskets on most quality header brands.
If the flange is not perfectly flat you may need a thicker softer gasket to seal it up.
I stock O2 extension harnesses, Not sure if that is what your asking.
Ted.