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Hey All,

I am tossing up between 2 dump pipes..

1) BOS IMPORTING

2) CES RACING

Who here has either of these and what was the power increase after install?

BOS IMPORTING one seems better value for money, but the CES one claims very good gains..

Opinions?

Cheers :laugh:

-JD

PS: talking 33 gtst's

Edited by JD-33
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I am looking at getting one myself...

This is what I have at the moment, I am guessing it is stock?

dump10yx.jpg

dump27eg.jpg

yeah pretty much stock looking. mine is like that too..

Ive decided that im gonna go for the BOS IMPORTING one (only because of all the replies to it in this thread :P ) ... haha

-JD

Will let you know how it goes

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the one my mate has is just the split dump pipe and its split for about 10-15cm. i'm just going dump only as the car came with a 3" front pipe and i can't see the point in spending $400 when i can get away with $150. if i didn't have a 3" front pipe i'd get one of the BOS ones.

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screamers are illegal and can be bloody loud.

people dont seem to worry about screamer pipes as much as say no cat .. but the penalties are the same.

you shouldn't see any difference in spool times as this split system only really come into effect once the wastegate opens, therefore it is already at full boost.

noticed on my old setup that it would rev out much cleaner after the 5-5.5K rpm range ..

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hey guys just wondering i just bought one of these split dump pipes but now i have gone for a high flowed turbo and has much more room behind the turbo in between the wastgate and the exaust . would it make a big difference if i dont have the little metal bit in between to seperate these two?

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yes the little bit, or divider is half the point of a split dump. without the metal divider between the two they are still likely to cause excess backpressure.

imho a split dump without the divider is kinda pointless

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i ought the split dump pipe from just jap and was told that it was for the hks turbo so i took it off and it is lost but looking at the gap on the high flowed turbo, it has plenty of room for the metal to split the pipes does anyone know when i can get just the spliter part from?

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