IS300 newb needs help with headers...
First off, I am fairly new to the IS300 world, and recently purchased an 05 with an automatic trans. I am planning on leaving it N/A for the time being. I found a lot of good info here about headers, y-pipes, etc. but I still have a few concerns with regard to installing aftermarket headers and likely a y-pipe as well. Any help would be greatly appreciated.
1. I am looking at the OBX headers, any thoughts on these? Anyone run the header and/or y-pipe?
2. Would using the matching OBX y-pipe eliminate the problems that I keep hearing about, as far sealing issues between the aftermarket header and factory y-pipe?
3. I see the OBX headers have provisions for the o2 sensors. I should not have to worry about engine codes or emissions right?
4. I didn't see anything about the installation on the OBX headers, are they truly bolt on? Any modification required to the flanges, o2 bungs, clearance issues etc?
Last edited by plasticmanhey; 07-15-2012 at 12:09 AM.
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