[sudden urge]

I liked the 18", but that was with the single 2.5" OEM piping and no other modifications. With headers, I think the 5x8x24 Mag would be a good choice.

 

[O-FiveCC]

I had the bigger maggnaflow with my headers and no cats and it elimintaed my CIS and gave me a low deep rumble. I loved it