you should definitely check for a straight pipe system when looking for a used diesel truck. Signs of a straight pipe system can include a very loud exhaust, excessive smoke, and an exhaust pipe ...

But the smoke test means something else for cars, especially those powered by diesel fuel. And passing diesel exhaust tests can become something of a chore. To make passing these tests a little ...

The basic wagon is about as Jeep, and hence as America, as you can get, but it’s powered by a 3.0-liter turbocharged diesel engine sourced from Daimler-Benz as this truck was built under the ...