We provide Free programming for IndyCar, NASCAR, & IMSA frequencies when you purchase our exclusive Uniden Scanner w/ Audio Boost Custom Mod.Check out our fan products here:Fan Intercom Starter Combo w/ Audio Boost +Fan Scanner Combo w/ Audio Boost +Uniden Scanner w/ Audio Boost + ModAll Fan ProductsThe Leader In Racing Communication since 1979We offer the Uniden Scanner w/ Audio Boost Mod along with our pro-quality build of headsets and mics for optimal noise reduction. Our fan headsets have the same build quality as what the guys in the pits are using.The Basics:To get started you will need:1. A portable analog scanner (think police scanner or weather radio)2. A scanner headset or intercom headset with noise reduction for loud environments 3. The frequencies from the series to program the scanner    (Uniden has PC/MAC software so you can self program)