When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
I lined the floor directly w/ self adhesive, the floor IMO the more important
Two layers, bottom layer stuck on, then an air gap and upper layer placed on top.
The air box area I created a formed blanket that is not adhered to either the air box panel or the trunk carpet.
Secured by the trunk liner net retainers.
To answer your question direct... I would do both.
