
Unlock the Full Potential of Your Modern HEMI
At Underground Autosports, we make modifying your Modern HEMI as easy as possible with our tailored performance packages. We understand the incredible potential of Mopar vehicles, and one of the first steps in unlocking that power is tuning.
With our in-house dyno and an experienced tuner who has personally owned two turbocharged Jeep SRT8s, we’re equipped to handle any project, no matter the size. From RT to SRT, SRT8 to SRT10, we’ve got the expertise to take your ride to the next level.
Modern 5.7 and 6.1 Hemi Packages
HEMI Basic Bolt on Dyno TuneHEMI 125 Zex nitrous kit Install and TuneHEMI Procharger packagesHEMI Turbo PackagesHEMI Deep Tunnel Exhaust PackageHEMI Clock Stopper Camshaft KitHEMI Chimera Kit | $600$2,250$7,950Call for price$3,600$5,500$7,900 |
Modern 6.4 Hemi Packages
HEMI Basic Bolt on Dyno TuneHEMI 125 Zex nitrous kit Install and TuneHEMI Procharger package (install and tune)HEMI Turbo PackagesHEMI Deep Tunnel Exhaust PackageHEMI Clock Stopper Cam Shift KitHEMI Chimera Kit | $600$2,500$8,150Call for price$3,600$5,500$7,900 |