Whatever flavor of HEMI you choose (5.7L, 6.1L or 6.4L [2011]) is lethal right outta the box. Plenty of HP is on-tap without the use of forced-induction. How... Show moreever....a few bolt-ons can't hurt. Helping the dual-spark dynamo breathe easy is the MOPAR dry-formula CAI, a set of polished-ceramic BBK Performance 'shorty' headers [Part#40120], DIABLO-SPORT INTUNE [I-1000] CAI-91-octane canned-tune and, of course, a cat-back by MAGNAFLOW. Show Less
