Induction piping minimum diameter?

The 1UZFE EGR Delete Kit is available for sale here.
I just made one for my 40 series. 4" Stainless mandrel bends, and mirror polished, bolts to windscreen bolts, looks awesome. 4" into the airbox and 3.5" into the turbo.
 
breath

when i get my 1uz in my lux ill be running twin shortened snorkels of 4inch diameter i seen it on a hilux up at kurumba a few years ago and he had forward facing heads on his and was running a 5.7 V8 and he said it work great
 
when i get my 1uz in my lux ill be running twin shortened snorkels of 4inch diameter i seen it on a hilux up at kurumba a few years ago and he had forward facing heads on his and was running a 5.7 V8 and he said it work great

I would reckon that would be more than sufficient.
 


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