Test Featured Product - Stealth HD530 Bundle For 2019-2023 6.6L L5D Chevy 4500/5500/6500

Increases power from 350HP to 530HP while maintaining emissions compliance Stealth STR Turbo supports up to 625 RWHP with stock emissions Switch-On-The-Fly Custom Tuning with five selectable power levels Fast spool-up and ideal throttle response for heavy loads Lower EGTs and improved fuel efficiency for better reliability No core charge – brand new turbo and tuning hardware Retains factory turbo braking functionality Designed for towing, hauling, and heavy-duty applications