# car

**URL:** <https://forums.speedlife.net/t/car/115091>\
**Category:** SON240sx Automotive\
**Created:** [April 29, 2008, 6:53pm UTC](https://forums.speedlife.net/t/car/115091 "2008-04-29T18:53:16Z")\
**Posts on this page:** 1\
**Showing post:** 28

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**Author:** ![RUSSKII](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/russkii/32/5696_2.png) [@RUSSKII](https://forums.speedlife.net/u/RUSSKII)\
**Post date:** [April 30, 2008, 11:15am UTC](https://forums.speedlife.net/t/car/115091/28 "2008-04-30T11:15:03Z")

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> [@BMW Z2...](https://forums.speedlife.net/t/bmw-z2/16816/8):
>
> whats a Maf?  
> and do I really need that bypass foam thing? to block water from getting sucked into the engine?  
> I pretty much just used pliers and pealed back the metal to make the hole for the intake, do you think I should cut that stuff out?
> 
> Some of the hoses are really old and I don’t see them going anywhere, can I just remove them?

maf is a mass air flow sensor that’s attached to your intake

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