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Old 11th June 2011, 10:42   #9
ardvark
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75 CDTI Tourer Auto

Join Date: Mar 2009
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I think the only way to solve this mystery once and for all is to put a car on the dyno and take a reading. Do the air intake mod and do another reading. Do the mod with the tube feeding from the bumper and take another reading. Members can make their own mind up from the three readings instead of uninformed guesses.
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