Switch on the Fly Tune Only for EFI Live Spade LLY (2004.5-2005)

Get All Five Custom Tunes, Switchable while driving (Switch-On-The-Fly). This product is emissions intact and 49-state legal. It is designed to be safe for your engine and emissions equipment, offering fully customized tuning with over 100+ calibration changes from stock. No wire hacking is required. Requires SPADE / EFI Live Autocal v3. Recommended with transmission tuning for smooth shifting and improved driveability, especially for trucks with custom ECM tuning, larger tires, modified turbos, or built transmissions. Performance Gains: Sport Tune: +130 RWHP + 234 ft-lbs (Total 490 HP and 894 ft-lbs); Street Tune: +100 RWHP + 180 ft-lbs; Light Tow: +80 RWHP +144 ft-lbs (Designed to tow less than 8,000 lbs.); Heavy Tow: +60 RWHP + 108 ft-lbs (Designed to tow 8,000 lbs. up to GVW); Optimized Stock: Slight revisions to factory calibration, no significant increase in peak power.