Quote:
Originally Posted by kansai104
so i guess is true what they say on the box....OEM filter is like car breathin through a straw .....what about wrx exhaust system.......would it help?? i know the sound is good...but other than that increase 1hp ???
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It's not the filter, it's the piping between the airbox and the throttle body. I don't get why people think WRX or STI stuff will automatically mean more power. The only thing that will get you noticeable gains out of your exhaust are headers.
This is a hybrid intake: