can anyone clarify which of these is better to use with a MAF adaptor and heat shield setup (or other K&N part #'s that are even better)?

BTW I did search first. Also I'm set on K&N, so pls don't try to convince me to buy X brand instead (sifted thru enough of that in the archives)

99 Silver CSVT #1081/2760 97 Nissan Altima 83 Corolla SR5 RWD bondo/rust body 'ghetto cruiser' RIP 78 Winnebago Minnie (Dodge Chassis 23') 440cid 4bbl.