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Remove the underhood insulation. It’s there to quiet down engine noise and there is a considerable increase in the sound the BOV makes when it is removed. It is held in place by ~10 plastic tabs, removes in under a minute and is just as easy to reinstall if needed.

 

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welcome aboard the good ship "saabscene" sweedishfish!.you have a recurculating dv as standard,so the answer is nothing i afraid.you need an "atmospheric"after market one.will set you back about a ton
simon
 

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Discussion Starter · #5 ·
Originally posted by ERP:
[qb]Remove the underhood insulation. It’s there to quiet down engine noise and there is a considerable increase in the sound the BOV makes when it is removed. It is held in place by ~10 plastic tabs, removes in under a minute and is just as easy to reinstall if needed.

 
[/qb][/b]
 
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