Greetings everyone,

I am looking to add a Magaflow Tru-X pipe on my '02 3.0i e53 but don't know which size to purchase. I see they come in: 2.25", 2.50", and 3.0" If anyone has done this mod to their 3.0i e53, please share with me which is the correct size to purchase?

Thank you in advance!