# bov issue wrx

**URL:** <https://forums.speedlife.net/t/bov-issue-wrx/257715>\
**Category:** Shift518 Automotive\
**Created:** [April 5, 2011, 12:59pm UTC](https://forums.speedlife.net/t/bov-issue-wrx/257715 "2011-04-05T12:59:40Z")\
**Posts on this page:** 1\
**Showing post:** 3

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**Author:** ![SlackJ94](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/slackj94/32/6325_2.png) [@SlackJ94](https://forums.speedlife.net/u/SlackJ94)\
**Post date:** [April 5, 2011, 1:50pm UTC](https://forums.speedlife.net/t/bov-issue-wrx/257715/3 "2011-04-05T13:50:17Z")

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> [@UPDATE on my step daughter :tup](https://forums.speedlife.net/t/update-on-my-step-daughter-tup/40915/4):
>
> Throw the stock bov on. You’re car will thank you, and it will be quicker into boost/less rich in-between gears. Yea, you lose the sound of VTA, but the gains are a better running  
> car, and more efficiency. Do what I did, trade the aftermarket for a stock bov+cash !

+1

It is because the car reads the amount of air coming into the motor before the blow off valve, so when the valve opens the car goes rich (since there is now less air and the same amount of fuel).

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