Fleece Performance Hood Stack Cover | 4", 5" and 6" | Straight and Mitre Cut cover options:6" straight cut The Air-Boss plenum isn't just

The Air-Boss plenum isn't just a replacement flat aluminum plate as seen in other designs

Because of this

This leveling kit is available in either a black or blue anodized color for a stylish appearance

985-24-021    Performance Series 2

Easy installation with 4 drive rivets

Fleece Performance Hood Stack Cover | 4", 5" and 6" | Straight and Mitre Cut cover options:6" straight cut The Air-Boss plenum isn't justIf you've owned stacks of any kind, you're well aware of one of the drawbacks, rain! If you leave your stack(s) uncovered and a little storm comes through, the next time you fire up the truck, you get a nice plume of soot that covers your truck. In the past, your option was to toss some coffee cans on that rattle around are just an eye sore. Fleece Performance has solved this issue with their custom fit hood stack covers. These are available in 4",