No need for a cold air intake, they will hurt performance. Magnaflow catback will work, I am not familiar with them but you won't need the 3" version. 2.5 would be best but I don't know if they make that. A resonator helps too, the non turbo motor gets raspy without it.
Raptor SC 9psi | E85 & Deatschwerks | Rallisport UEL headers