CORSA's 2011+ Jeep Grand Cherokee Sport to Xtreme non-resonated headpipe conversion kit is designed to take your CORSA sport exhaust system and turn the volume up a notch. This conversion kit takes the existing CORSA Performance Sport System to Xtreme by unleashing and additional 6-8 decibels over the Sport sound level exhaust system. If you are looking for maximum volume from your 5.7L Grand Cherokee Hemi this is your solution. Designed specifically to fit with CORSA Performance Sport cat-back exhaust systems, CORSA's non-resonated headpipe conversion kit offers everything you need to complete the install at home. Made in the USA and backed by a Lifetime Warranty.