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3 inch exhaust for SWB turbo Diesel GQ?

Tech Talk for Nissan owners.

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3 inch exhaust for SWB turbo Diesel GQ?

Post by Kane »

How much would this cost and would it make much differance as opposed to the std sytem?
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Post by YankeeDave »

was like 400 or 500 for mine and i gained about 10-15 kW when i went 3" mandrel from 2.5"

standard is only 2.25 " or 2" from memory

very much worth it.
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Post by BIG GQ »

You will most definately notice the difference however the biggest increase is noticed when a 3" dump pipe is used as well.
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Post by Hoonz »

JUST DO IT
H( * )( * )NZ loves B( * )( * )BIES
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Post by toughnut »

I got a custom 3in exhaust including a cast 3in dump pipe and 3in muffler (had to for the defect notice) and it cost me $700. Tune the fuel pump to match and you'll be surprised at the gains in power. Turbo comes on earlier and for longer, which means smoother. Well worth it. As hoonz said just do it already. :D
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Post by bogged »

YankeeDave wrote:was like 400 or 500 for mine and i gained about 10-15 kW when i went 3" mandrel from 2.5".

do you have dyno sheets for this?
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Post by robbie »

bogged wrote:
YankeeDave wrote:was like 400 or 500 for mine and i gained about 10-15 kW when i went 3" mandrel from 2.5".

do you have dyno sheets for this?


dyno sheets dont mean crap.. I can put a car on a dyno, get one hp figure, play with a few "air settings" on the system, and it will give a hole different hp figure to the one before.. :?
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FixxxeR

Post by FixxxeR »

*aheM*

Is a dump pipe the pipe that comes out of the manifold>?

?
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Post by Hoonz »

FixxxeR wrote:*aheM*

Is a dump pipe the pipe that comes out of the manifold>?

?


off the exhaust housing on the turbo
H( * )( * )NZ loves B( * )( * )BIES
if a fat lady falls in the forest do the trees laugh?
[quote="RUFF"]although i didnt mean to, i squealed like a girl :armsup:[/quote]
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Post by bogged »

robbie wrote:
bogged wrote:
YankeeDave wrote:was like 400 or 500 for mine and i gained about 10-15 kW when i went 3" mandrel from 2.5".

do you have dyno sheets for this?


dyno sheets dont mean crap.. I can put a car on a dyno, get one hp figure, play with a few "air settings" on the system, and it will give a hole different hp figure to the one before.. :?

yea trillion variables with dynos, but trying to gather fact from fiction. Some say they gain X kw, but its guess work..

like people with extractors that gain 12309203984203948023948kw at the gearstick
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