Change of Down pipe
#1
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Change of Down pipe
Hello all, Im thinking of changing my down pipe on my scoob , its a MY04 STI Type UK btw, is this a simple excersise?, any suggestions of downpipe?, and will the car be ok after undertaking this work?, i guess im asking if any blob eye STI owners have undertaken this work?, i have read somewhere that boost spikes can occur is this true?, any help would be appreciated
Fergie UK
Fergie UK
#3
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plenty of people de-cat there scoob without any adverse affects .....it is a bit of a fiddly job ....as these where put together by the little jap hands LOL......you will more than lightly have a couple of seized bolts into the turbo(14mm head size) & seized heat sheild bolts (10mm head size) .......with average skills it will probably take some one 2-3 hrs ......alot of the time you have to cut the heat sheild or leave it off completly afterwards , depending on manufacturer .
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But are there any owners of a UK STI Type UK that have undertaken this work and if so what are the implications of ECU error codes and cat removal?
#5
You will get a CEL on as the O2 sensor detects a problem, various fixes for this but the safest way is to get it ECUTEK'd (remapped) to sort the additional fuel out, control the boost spikes and generally make it a much more pleasureable car to drive.
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Originally Posted by Conrad_Bradley
You will get a CEL on as the O2 sensor detects a problem, various fixes for this but the safest way is to get it ECUTEK'd (remapped) to sort the additional fuel out, control the boost spikes and generally make it a much more pleasureable car to drive.
Regards
Fergie
#7
You can do it but its risky, you may be running lean, you may overboost etc. If it runs lean, dets and then blows up it'll cost you more than £700. IMHO, it would be better to save for the exhaust and the cost of the remap at the same time, maybe do some induction mods as well to get your moneys worth from the ECUTEK.
Keep asking, I'm sure there are people who have done it and are still ok and there will be others who have done it and paid the price.
Keep asking, I'm sure there are people who have done it and are still ok and there will be others who have done it and paid the price.
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