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.
Fitting a strut brace over a plenum is easy: you just put spacers under the end of the brace. The problem is clearing the hood. Any brace designed to fit in front of the plenum will work: no need to clear the plenum or the hood.