GAB mod
4 1 inch holes with a spade bit is the way to go. completed in car pic below...
obviously do this with the plastic filter holder piece in hand...dont do this while on the car. not much a how to needed beyond that...I also sanded the 4 holes down as smooth as possible after as well.
obviously do this with the plastic filter holder piece in hand...dont do this while on the car. not much a how to needed beyond that...I also sanded the 4 holes down as smooth as possible after as well.
Last edited by a33_ridah; Nov 1, 2014 at 01:46 PM.
4 1 inch holes with a spade bit is the way to go. completed in car pic below... obviously do this with the plastic filter holder piece in hand...dont do this while on the car. not much a how to needed beyond that...I also sanded the 4 holes down as smooth as possible after as well.
I did it without cutting the holes. I just used double sided foam tape to hold the filter onto the housing. That way I can put it back to stock if I want to. I also used a bent hanger but really the double sided tape is holding it in well.
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