Yes.
Yes
Before and after the catalytic converter
In the exhaust, near the catalytic converter.In the exhaust, near the catalytic converter.
Yes
Depends of the year. In 2008 US required DPF (diesel particulate filter) on all new diesel-powered trucks. The DPF is similar to the cataytic converter for a gasoline engine.
Inside the transmission.
Crawl under the vehicle and start at the engine and follow the exhaust pipe backward toward the rear of the vehicle. You will run into the converter.
It is inside the transmission, on the rear corner of the valve body.
Single rear wheel 3500 rims are the same pattern and offset as 2500 rims, so they would fit. 3500 dual rear wheel rims have a different offset and do not fit.
Yes
its behind the right hand front tire next to the block!!
no