well i have a 93 vr calais...and i took it out....it idles like a pig as im sure we've all dsicussed and like someone mentioned, i do get a slight misfire, i removed mine jsut after i got the car, so i cant say i notice if its better or worse...i ahd it running with a pod, and i also have cai...stoopid i know, but i alternate between the two. it sucks like a mo-fo with the pod nd no bellmouth...but i got sick of that, like REALI sik of it, i now run it with a fairly dodgy looking cai, and its quite quik i must say....but as i said, iv not reali driven it any other way...but, reading threw this thread, sp001in with his VQ and the pic of the snapt cam has freakt me out....i pulled apart the motor for a new inlet gasket and noticed, that after 14yrs and 3XX,XXXkms, the amount of built up CRAP was gross...so i cleaned rockers, pushy's etc, but i did also noitce but didnt think at the time, that the last 2cyl's were HEAPS cleaner then the others....i cant imagine this is much of a good thing...i dont know tho...also, with the guy that complained wen he removed his bellmouth that his idle went stupid, so did mine. i reset the ecu and its fine now. but it was going up nd down from 200rpm to like urs near 2500...so yeah, unplugged ecu for a while nd during that time i cleaned and polished the throttle body, and she was fine...i gotta say the beefy idle is quite kool...sounds lumpy as...but i do worry that things arnt being distributed evenly...mind you, im not sure i know where my bellmouth is, so, i could b without one unless i go to a wrecker lol ....at then end of the day, its up to the individual i ges...