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Dose pipe is a metal pipe between the AFM and the turbo inlet. This pipe helps flutter sound louder with no enhancement. Wank factor

Screamer pipe is the wastegate gasses escaping to atmosphere rather than into the exhaust. On a very highly boosted engine may show some advantages (not sure on this) but just creats very loud whooooshing sound... again, bit of wank factor

Note: the description of wank factor is my opinion, others may like it :)

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hey guys,

sorry to be soo god damn noob but can someone give me a basic explanation of what these two things do, how they are beneficial and why or why not you think their cool etc etc

thank you in advance,

p.a

haha thanks alot for the explanation Lee :)

where or how can i get a dose pipe for my 33, just for the 'wank factor' :)

thanks again!

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haha thanks alot for the explanation Lee :)

where or how can i get a dose pipe for my 33, just for the 'wank factor' :)

thanks again!

Mate.

It's not called a DOSE PIPE.

Its just a Cold Air Intake pipe. Nothing special.

You arent a VL CALAIS TURBO owner buddy.

Just go to any exhaust place or Performance shop and they should have some 3" stainless pipe you can buy and a silicon hose for your inlet pipe.

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Yeah go to any exhaust place and they can make them up, theres nothing wrong with metal intake pipes......there def a good upgrade because they replace the stock rubber intake pipe which can get sucked close with higher boosted cars and anyways you only get the flutter sound if you block the bov or don't run one at all.

Edited by /2on
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if you want to do stuff like that go and see mark at exhaust technology screamer pipes are loud and dont really work on R33 but for R33 you could just get a extearnal waste gate it sounds sort of the same

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thanks alot for youre advice and opinions guys, always soo helpful. i was just curious thats all, so please dont criticise me too much :)

-p.a

I did provide the link to the calais site...but if u do that on ur 33, we wont critisise u...we'll ban u from this site.

:)

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does the cold air intake/hot pipe enhances ur air flow? because the stock rubber one is not as good say as a stainless steal pipe?

i wouldn't say enhance, but the steel would be better because it doesn't restrict your air intake by sucking in like the rubber does. same shit for low boost cars though.

there's always the silicone type: http://www.skylinesaustralia.com/forums/t176294.html

and if you're going to block the bov to get the 'dose', you're probably going to have idle probs too.

get a proper bov imo.

Edited by dmr
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Screamers are only good with an external wastegated turbo and they are sexual trust me.

2nd that call......

I've heard screamer pipes on an internally gated turbo and they sound shiate....Sound like a big exhuast leak

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if you want to do stuff like that go and see mark at exhaust technology screamer pipes are loud and dont really work on R33 but for R33 you could just get a extearnal waste gate it sounds sort of the same

umm....

2nd that call......

I've heard screamer pipes on an internally gated turbo and they sound shiate....Sound like a big exhuast leak

yo bud :D

set up properly a 'screamer pipe' on internal wastegate can sound the same as a 'screamer pipe' which is the pipe used off a external gate, the reason y external gates are used are because the turbos they are used on have to big a exhaust wheel in the turbo housing there for there is no room for a internal gate in the housing. also ppl run gates as there controller big HP drag cars in japan dont run boost controller just a certain 'wieght' spring in their external gates, bu like shane said there alot of the cheap bolt on screamers thats sound like a wet fart or excel :P

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I think what Dan was meant to say, is screamer pipes sound good when there is no exhaust leak.

It doesn't matter if its internally gated or not, for the sound to be isolated you need an external waste gate or a better split dump pipe. you can buy the appropriate dump pipe for about 400 dollars and it sounds identical to a ext. gated one.

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