Originally Posted by Crazy001

Seems a bit high, but I'm having a tough time finding a price for the part. If your truck was built after 12/08, the part has an MSRP of around $1,500. What are they quoting you for labor?

At this point in time with no warranty you may well be best off installing a delete pipe and tuning the truck. Most common setups can be had for less than $1,500 and you'd have a truck that would get better fuel economy, more power, and one less expensive component to break. Check out these guys:

Spartan Diesel Technologies

On edit: Where in MN are you from? I work in Hudson, WI, which is only 20 miles from St. Paul.