Question About Fuel Cell and Blazer Tank Conversions

[JHickson6]

I have been thinking a lot about the work ahead of me for the spring and summer and one of the many upgrades to my truck was going to be a rear tank. I've looked at the blazer tank conversions but there prices are over $240 and have a fuel capacity of 21 gallons, which I like because my engine is going to chug down the gas. Now looking at the fuel cells at places like Summit they are about a $100 cheaper but hold about 5 gallons less fuel. Then I noticed this one http://store.summitracing.com/partdetail.asp?part=6937 its length and width are good for fitting in the rear of the frame but it's 14" deep. So after all of that I was wondering if any of you guys have an opinion about if that will hang too low to the ground, especially because my truck is going to bagged and riding on 18's. Actually its stance will be a lot like Slammed67's, sorry Slammed67 I just love the stance it's got!

Here's the pic of the fuel cell that i'm talking about!

Thanks in advance guys!