I have one on my 3.7 V6
These are very well made and although I have a V6 I use a catch can on my passenger side and the Filter in place of my filler cap.
I think you will need one for each side of your V8. Call CFM and they can point you to what you will need to do it right. They are very good and I'm sure they will help you.
2012-candy red- V-6 MCA, Automatic Trans. CFM Valve cover breather. MMD blackTail light trim.Magnaflow axle back street mufflers, JLT oil catch can.MMD hood struts.
Airaid Cold Air intake. red caliper covers, 3.7L performance engine cover, Flat black hood spears.Boss 302 strut brace, CDC rear panel, Trunk Cargo net,--Dash carpet cover,
Viser stickers to cover ugly yellow warning crap,Aluminum driveshafft and Swarr Bar.