What's up with square tube on the bottom of this '70?

[bull]

http://cgi.ebay.com/ebaymotors/Dodge-Charger-1970-Dodge-Charger-R-T-440-Track-Pak-4-Speed-Dana-60-_W0QQcmdZViewItemQQhashZitem27b3d37f06QQitemZ170520706822QQptZUSQ5fCarsQ5fTrucks

The seller doesn't mention it... Is it a body stiffening piece or what?

[mauve66]

home made frame connectors?? just didn't bother cutting the square tubing to follow along the floor pan??

[moparstuart]

frame connectors are usually square tube

here are mine

[RallyeMike]

Just old-school subframe connectors.

[472 R/T SE]

My MP frame connectors are square tubing like that.  The home made part is the drive line loop.

[tan top]

yep frame connectors , put them on mine