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Old 03 April 2011, 06:13 PM
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V5 PETE
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Default Do i need to map after exhaust change?

hi all ive just upgraded the headers and up-pipe on my v5 sti and i want to put a decat down pipe to finish of the system.

do i need to have a remap after all of this?

i understand to get the best of the system i will need a remap but will it cause harm until i do as im hopeing to get a simtek ecu in the future.

any info greatly apreciated

cheers
pete
Old 03 April 2011, 06:30 PM
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my94wrx
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yes mate you will need a remap as the spool up will be different with the headers and decat, you probably would have been ok with just the decat.
Old 03 April 2011, 06:32 PM
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yes.
Old 03 April 2011, 06:34 PM
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Yes (as above) and you can get your standard ecu remapped which will save you a bit on the cost of a simtek.

Tony
Old 03 April 2011, 06:34 PM
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V5 PETE
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i have the headers fitted already its the decat im decideing on getting.

will the car be ok until a remap is done
Old 03 April 2011, 06:51 PM
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as long as you dont drive on boost mate,
Old 03 April 2011, 06:53 PM
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V5 PETE
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where is the best place to get a remap and how much roughly for a remap of the standard ecu.

i would find it hard not to drive on boost so best to get it done
Old 03 April 2011, 06:59 PM
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well if you find it hard, i would say dont drive it then...

if you do just get yourself ready for a engine rebuild,this is what alot of people do
is fit these kind of parts and expect go drive it round then blow there engine up
then wonder why it happened.

what car have you got ? age and version.... sti, uk ?
Old 03 April 2011, 07:01 PM
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V5 PETE
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ive got a jdm v5 sti wagon i cant afford a rebuild so ill drive like a granny.
Old 03 April 2011, 07:05 PM
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Yes deffo needs remapping.

Standard ecu is mappable with ecutek

Simon
Old 03 April 2011, 07:06 PM
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V5 PETE
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how much is a ecutek remap
Old 03 April 2011, 07:10 PM
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Jolly Green Monster
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Originally Posted by V5 PETE
how much is a ecutek remap
www.jollygreenmonster.co.uk
Old 03 April 2011, 07:13 PM
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V5 PETE
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is there a limit to what an ecutek map can do or is it worth paying extra for a simtek
Old 03 April 2011, 07:20 PM
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you are still relying on the maf sensor (simtek removes the need for it), there are two maps on a simtek and options of antilag and launch control..

Simon
Old 03 April 2011, 07:20 PM
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Originally Posted by V5 PETE
is there a limit to what an ecutek map can do or is it worth paying extra for a simtek
I would say yes.
Simtek is good ECU,due have Mafless feature,ALS,LC,dual fuel map etc.
Definitely better than EcuTek all around
Old 03 April 2011, 07:31 PM
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I got to 270BHP on ecutek but now run syvecs and it's much better! I know Simtek is a cheaper option and is very well respected but I'd pay the extra and go for syvecs based on my experience.
Old 03 April 2011, 07:32 PM
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Ecutek is defo sufficient, I have simtek but would have gone ecutek if it was available for V2's There's alot to be said for retaining the many factory settings of the standard ECU Dual fuel doesn't really matter unless you want to run really funky fuel, LC is great only if you have the transmission to cope with it and antilag is fun but gets boring after a while.
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