which cat bypass
14 October 2005, 09:40 PM
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which cat bypass
I am looking to fit a down pipe on 93 ra but not sure which one, the open neck or the one that has the waste gate blanked off. Any ideas chaps.
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14 October 2005, 10:29 PM
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Originally Posted by T5OLF
I am looking to fit a down pipe on 93 ra but not sure which one, the open neck or the one that has the waste gate blanked off. Any ideas chaps.
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16 October 2005, 01:04 PM
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Originally Posted by T5OLF
Any reason to pick one over the other?
16 October 2005, 06:11 PM
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Originally Posted by scoobyboy34
Open necks are fine, and the ones you can buy with the wastegate blanked off work really well too, I have one on my 94 STi RA, made by MEGAN, this design I believe were made to eliminate boost spikes, and I have been told that they have been used on bigger BHP motors without any loss in power compared to the open neck design.
It's another SN myth that you need a open neck DP to make good power.
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