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op: you're trying to split the hairs that have already been split once. i did a lot of testing my cut stock box against a dry rotofab. iats appeared unaffected across the board. basically i concluded that a rotofab was worth 0 over a cut stock box. at speed, on the dyno or otherwise. stock long block: the restriction in the intake system is not the air box, it is the throttle body. but truth be told, my e85/bolt on car saw very little peak power from adding a rf dry and 95 mm tb. but i do think those additions contributed to the preservation of peak power over 6k rpm.
here is my cut box vs rf dry. inlet area in particular.
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2016+ camaro: everyone’s first car
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