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 bought the billet nitrous bottle bracket off of ebay, it's the one that's around 80 bucks, and mounted it to a piece of MDF with black speaker carpeting on it. Due to the angle of the trunk cavity already you have to reverse the bracket to get the bottle to angle right but it works perfectly. Now this is technically not mounted directly to the vehicle so if you want to take it to the track they could potentially ask you to bolt it down to the trunk, I don't think my tracks tech is that picky