Best size exhaust for a turbo diesel? Is it 3 inches?

[Dirtycruiser]

Best size exhaust for a turbo diesel? Is it 3 inches?

 

[Canadaexplorer]

Yep, you are correct. A 3 inch will give you a noticeable performance upgrade

 

[Crawler80]

Yep, 3 inches should give you many benefits