I do! I swapped out the GHL and replaced with the loud, export version of the Cargraphic exhaust. Mine is 2.7 base model, but sound wise, GHL is much louder, Cargraphic is "more porsche", if u know what I mean. Cargraphic has no resonance and build quality is much much much better than GHL. I'm unsure about HP gain, I was told a few HP, but can't feel it. If you want a very loud, race car exhaust, keep the GHL, but if you want a louder Boxster, then get the Cargraphic.
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Originally Posted by porscheracer
Hi fellows,
I currently have GHL exhaust in my 00 Boxster S but thinking of swaping it for a Cargraphic exhaust (loud version) with FAB Speed cat bypass. The BPH gain will be about 8-15 BPH. Really! Hoping my car will sing like a GT3 .
Anyone here have any experience with Cargraphic exhaust?
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