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is it safe to cut the bridge out of the 70 mm maf. the drilling think dont sound like a good idea but my buddy has a extra one from a 4.6 and was just think of some cheap ponies:D
 

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It's not worth it. you won't really gain anything and it will throw off the transfer function of the maf.
 

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cut it out flush with bottom and as flush as you can at base of sample tube .

then after removing the sensor drill a 15/32 hole in existing sample tube hole this will correct the flow thru to sensor .
dont replace the blockopff plate at back side of tube leave it off . this trick is good for 2-5 hp on a sc stocker,

mines been like this for three yrs now and i passed smog in socal twice with it.
 

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this setup passed smog in so calif in oct this yr ,

its not done this is one im doing for a friend,

i cut post out and will blend it and remove nub left at bottom of tb drill it 15/32 and it works great

 
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