Quote:
Originally Posted by GrimmSpeed
i'd have to search nasioc. i know buschur was probably one of the last to do it...
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Is there an echo in here?
Unfortunately the Buschur build/test thread has been deleted from NASIOC. I don't think he and the NASIOC Nazis got along very well. He tested things like uppipe stock vs. aftermarket, TGV's vs. TGV delete, intake stock vs. SRI vs. CAI, etc. It was an informative thread.
Actually... Google cache ftw:
http://74.125.155.132/search?q=cache...ient=firefox-a
Quote:
The stock uppipe on the car only measure 1.625 ID.
The new uppipe we added today measures 2.25 ID and is lighter.
Just got the car off the dyno. As soon as I started it there was a noticable difference in the sound of the exhaust. It got quite a bit louder adding the uppipe.
I changed nothing. No tuning, no boost control, no nothing. The car does need to be retuned now as the boost went from barely hitting 18 psi occasionally to now hitting 19 psi. This is a dead sign that the factory uppipe was infact restrictive.
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I'll let Grimm explain why 2.25" ID might be a little big on stock-mount turbos.
