Price is firm at $400, no offers. Brand new in sealed box. This is not a tuner. This is a gauge or performance monitor. Works on all OBDII vehicles. Save $100 compared to retail plus tax price. The Insight is the #1 preferred digital gauge monitor in the market today, used by daily drivers and enthusiasts everywhere. The Insight is the most comprehensive, state-of-the-art, multi-gauge touch-screen display on the market. It is an instantaneous and inexpensive alternative to bulky, analog gauges that would otherwise cost hundreds of dollars and take hours to install. This is the perfect tool for those who want to monitor their vehicle's performance and prefer not to program their vehicle, or for those who already have significant performance upgrades and want to safely monitor their vehicle's performance. Not only can the Insight monitor vehicle performance, but it can also be intelligently configured to provide audible and visual alerts to help you protect your vehicle. Features: 3rd Generation design is faster and more capable than ever Simple installation just plug into OBDII port. No wiring required Compatible with most domestic gas and diesel vehicles 1996 and newer. Monitor key vehicle parameters like EGT, regen cycles, trans temp, boost, RPM and dozens more Full color, 5 capacitive touch screen with auto-dimming Offers crystal clear data at your fingertips Highly customizable gauges and backgrounds Boot up directly to gauge screen upon key cycle Swipe capability allows easy switching between screens as needed for towing, performance, economy, etc Built-in performance meter measures 0-60, 1/4 mile times and more Advanced integrated data logger with export capability Clear and Read DTC codes Integrated accessory system for additional gauges or can control switches for lighting, compressors, winch, etc Wi-Fi updateable Includes windshield mounting bracket Checkout the optional Display Mounts available for some applications CARB exempt, does not affect emissions control in anyway. Performs Manual DPF Regeneration in 2018-2020 3.0L Ford F150 Diesel, 2011-2019 6.7L Ford Diesel, and 2007.5-2023 6.6L GM Diesel Performs Mobile DPF Regeneration in 2015-2022 3.0L Ram Diesel, 2007-2018 6.7L Ram Diesel, and 2011-2023 6.6L GM Diesel