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The swirl flaps in the manifold are designed to create a specified amount of air turbulence and by opening and closing which improve fuel mixture. The swirl flaps are located insight the manifold and they might be a problem later on fail and be ingested into the engine. So by leaving them not repaired you taking own risk.
I can't there are 8 pages on this topic.
Basically yes you can map them out. There is no difference in MPG or performance - In fact its improved from what I've seen in some cases.
I've removed them from many cars now and all run perfectly fine.
Cheers
Can you just remove them then and just map them out ? Do you need any blanking kit or anything?
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No blanking plates required - yes I map them outQuote:
Originally Posted by simon w-t