Need All pro leaf pack advice

Hey guys, I know there are a few threads out there on All Pros leaf packs and I have read through many. I am debating between the Expo and the Standard pack, I do not carry cargo or tow on a regular basis but I have read the occasional post that said that the standard leaf pack sagged or only lifted a DC 2.25-2.5" and I really want to get the back up a full 3". I will occasionally have weight in the bed or tow a trailer. There seems to be plenty of reviews on the expo but few on the standard

So do I get the standard or the Expo?? I don't want a really rough ride on an unloaded bed but I'm also worried if I get the standard I wont get a full 3".
Will the Expo actually lift a DC 4" in the back if unloaded and how will it ride?
thanks in advance

 

I went with the expo's. Although I have a bed cage and usually a rtt on the truck. I never tow tho. I got 4" of lift in the rear but after adding the weight and driving for a little while the ride got allot smoother and im at about 3 1/2" ish rear lift right now. I would say go to the expo leafs it doesnt hurt to thro some sand bags in the back of your truck. And for the little extra they cost it was a no brainer for me.