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H-pipe?????

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Can someone please explain to me what a h-pipe/x-pipe is, and what they do? I have seen them around some websites. :confused:
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they equalize cylinder evacuation.
NEWBE17 said:
Can someone please explain to me what a h-pipe/x-pipe is, and what they do? I have seen them around some websites. :confused:
If I get a h-pipe should I buy them with the cats?
yes, cats don't impede flow, the danger is flowing too much.

Keep the cats, and you won't have to worry about a $1200 ticket. + the costs of the cats anyway.
NEWBE17 said:
If I get a h-pipe should I buy them with the cats?
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