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08-16-2011, 09:44 AM
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#1 |
 Drives: Yaris T Sport Join Date: Jan 2011
Location: London
Posts: 6
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Exhaust Port Size
Hello
I'm new to the forum. First time posting. Long time reader. I have a UK 1NZ-FE Yaris T Sport. I'm looking to have a custom exhaust header (manifold as we call it in UK) made up with longer runners to hopefully gain more power out of the engine. I currently have an OBX header which has been running fine for years, but I just want more out of the car. Does anyone know what the exhaust port size are? The fabricator is currently making the head flange and wants to know the measurements so that they could make the runner's diametre slightly bigger, and not too big. |
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