The best replacement for stock intake is short ram.

The best alternatives to stock intake are rated as following:
★★★★★  short ram
★★★★  cold air intake
★★  cai
★★  edelbrock performer
★  aftermarket intake
  cobra intake

Your alternative for stock intake is not listed? Suggest!
Speaking about stock intake, one probably shouldn't forget about gt40 heads.

Other search terms related to stock intake and their ratings are:
★★★★★ gt40 heads
You have in mind a companion for stock intake and it is not yet here? Propose!



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stock intake
short ram
cold air intake