MY03 - "pre-ported headers"?
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I had a thought. (happens occasionally). Allegedly the MY03 is up 8bhp on the MY02, with better throttle response and slightly improved spool up (and slightly improved refinement too, I think?). Allegedly this is down to an improved exhaust manifold. The improvements sound very similar to those you see if you get the headers ported on a bugeye. Is it possible that Subaru have made a new casting for the manifold and that is effective "pre-ported"? Any comments? Do I need a flame suit? ![Wink](https://www.scoobynet.com/images/smilies/wink.gif)
Sorry if this has been done, but I haven't seen it.
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Sorry if this has been done, but I haven't seen it.
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naturbo2000
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14 November 2002 01:49 PM