Airbox resonator
#4
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Location: 7.74 @179 mph 1/4 mile - road legal
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Yes it is, especially on version 5 and 6. Also close off the hole in the inner wing that the original air inlet fed through. The result is that you have reduced the flow restriction to the turbo and you are now taking the air from a colder area than originally directly beside the radiator.
Due to the method of airflow measurement on this particular model, this mod is unlikely to show any meaningfull difference on a rolling road, this is due to it being unable to replicate the on-road airflow currents and underbonnet temperatures.
From the results of real on-road testing, monitoring engine air and fuel flow rates, combined with acceleration rates I am convinced this is a worthwhile mod. Best bit is that its free !
Andy
#5
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Yes it is, especially on version 5 and 6. Also close off the hole in the inner wing that the original air inlet fed through. The result is that you have reduced the flow restriction to the turbo and you are now taking the air from a colder area than originally directly beside the radiator.
Due to the method of airflow measurement on this particular model, this mod is unlikely to show any meaningfull difference on a rolling road, this is due to it being unable to replicate the on-road airflow currents and underbonnet temperatures.
From the results of real on-road testing, monitoring engine air and fuel flow rates, combined with acceleration rates I am convinced this is a worthwhile mod. Best bit is that its free !
Andy
Due to the method of airflow measurement on this particular model, this mod is unlikely to show any meaningfull difference on a rolling road, this is due to it being unable to replicate the on-road airflow currents and underbonnet temperatures.
From the results of real on-road testing, monitoring engine air and fuel flow rates, combined with acceleration rates I am convinced this is a worthwhile mod. Best bit is that its free !
Andy
Thanks for the advise. People say you need to map your car when you have done this mod?? What are your views on this??
#6
Subaru Tuning Specialist
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To achieve the best gains then ideally yes. Best done at the same time as other mods such as a decat and remap.
If you are not doing any other mods then I'd leave well alone !
If you are not doing any other mods then I'd leave well alone !
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