Remove your OEM Airbox, Install this filter at the end of the OEM Air intake where it normally connects to the airbox, get all the sounds of a true intake for a fraction of the cost.
The design of this filter gives any intake an amazing sound. Fantastic cheap alternative to intakes, this will give you 75% of the sound and performance of a SRI intake.
This is a Direct Replacement
Cheap fix for cool sounding engine