That strange looking thing is a vibration dampner, i have seen them on some exhaust systems, usually near the Y pipe
they weigh about 8 to 10 pounds
Here is one description
Dodge calls them Mass Dampners and they are there to reduce/absorb movement of the frame. They are part number 55366973AB for the left side and 55398148AA for the right side. They run about $52 a piece.
I should have read my window sticker more carefully, it was option #62c for $91 - Vibration Free Ram Pkg.
another explanation, taken from another forum site
Here is the TSB for the vibration dampeners for the exhaust so you can see what it looks like:
Date: September 17, 2005
Models: 2005 (DR/DH) Ram Truck
NOTE: This bulletin applies to vehicles equipped with 5.7L engines, sales code EZA
and automatic transmissions.
This bulletin involves installing a vibration damper on the exhaust system.
The vehicle may exhibit a vibration at idle, in gear. The vibration can be felt in the seat and the
If the vehicle exhibits the condition, perform the Repair Procedure.
Qty. Part No. Description
1 52103612AA Damper
1 52019397 Clamp
Allow the vehicle to sit long enough for the exhaust system to cool to a safe temperature to
work on. Raise the vehicle on a hoist and install the damper on the front “Y” pipe as shown.
Position the damper to provide adequate clearance to any nearby components. (Fig. 1).
Tighten the clamp nuts to 42 Nm (31 ft. lbs.).
Policy: Reimbursable within the provisions of the warranty.
Labor Operation No: Description Amount
11-20-01-96 Install Damper 0.2 Hrs.
ZZ Service Bulletin