wat is the best cold air intake to buy for my 91 240 ka24de

[Gamera90]

hello i just singed up to ask this question to someone who knows wat they are talking about. i have a 1991 nissan 240sx se hatchback. with the stock ka24de engine and i was wondering which cold air intake to get. if i should get the K&N typhoon or an injen one or AEM or what please let me know thank you. and also i was wondering if it would be best to keep my engine which is in good running condition or swap it for the sr20det thanks a lot.