boost fitting question.

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11-21-2009 | 02:12 PM

monster12valve

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From: willowick, ohio

boost fitting question.

i got the tst boost fitting... and i noticed the factory one has a big hole in the middle and the tst one has a tiny hole.... why is this?.. i it supposed to be like that?

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11-22-2009 | 01:40 PM

dan33klein

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From: cherry,il

yes, the tst has a smaller hole thus restricting the remote boost line therefore the accuator doesnt get as much pressure so it wont open the wastegate, thus increasing boost!