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Old 10-16-2009, 04:31 PM   #22
CASTREX
Who said Yaris was slow?
 
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Drives: Yaris T-Sport 2008
Join Date: Nov 2006
Location: Costa Rica
Posts: 1,287
Quote:
Originally Posted by mrloseth View Post
Do you know off any one else that have removed the cat`s and put on 2,25" exhaust on the turbo yaris?

the other one i know have the same car and map as me and he have removed the biggest cat an 2,25" exhaust, and open filter, and open bov, and he have 1,0-1,2 bar off boost..:) i dont know why is car do last this:P


so my teori was that if i build the exhaust but i remove all the cat`s, and run stock boost i think that the only diffrence i would feel is more power, and the only danger i think is that i would get an faster spool up on the turbo, but i hope that this wouldnt be any problem?! do you know if the others you know did get faster spool up? bacause the tunning firm said that it was the faster spool ut that could be the problem.because maybe the map wouldnt give enought fuel if the boost started earlier.. good teori?

i dont dont thik that its any problem to run stock boost and exhaust..:


The problem with the open blow off valve is that in some occasions the car will go too rich and stall... mostly because you are releasing air that was already measured by your MAF.
This is usually not much of a problem... i know of 2 yaris running with vented BOV's with no problem.

i did have bov on the engine before the engine did blow up, but now i dont have any, but i dont think that it would be any problem to put it on again?

I know of 2 Yaris here running catless and 2.25 and 2.5 exhausts with the stock map with no problem.
The spool up will improve... but is not that much!! These cars are lagless from the box. So I would not be worried about that.

And the BOV should not be a problem either..
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