Bully Dog recently released a new software update for its Power Pup engine management tool. Initially released for only the Titan, the new software update now includes engine management upgrades for the Altima, 350Z, Frontier, Xterra, Pathfinder, Maxima and G35 engines in both the 4cyl. and 6cyl versions...As a highly reputable company with a large customer base, I have little doubt that the Power Pup is the real deal for simple, plug in engine improvement...http://www.bullydog.com/product/index/product_detail/185
The Nissan Power Pup was designed for Nissan and Infinity owners looking for more power and better fuel economy. The Nissan Power Pup offers the user two different engine tunes above Stock to accommodate various driving conditions: Regular Tune (for use with regular fuel) and Premium Tune (use with high-octane fuel). It also give the user the capabilities to adjust rev and speed limiters, as well as read and erase diagnostic trouble codes. The engine tuning options below describe what tunes are available throughout the Power Pup and their recommended use.
*Stock: Choosing the Stock engine tune will result in no change to engine horsepower output. All other downloader features can still be accessed of the Stock engine tune is chosen.
*Regular: This engine tune is recommended for use with 85 or 87 octane gasoline. This tune can be used for everyday driving and towing. Dynamometer testing results have shown a 10-12hp increase in rear wheel horsepower.
*Premium: This engine tune is recommended for use with 91 or 93 octane gasoline. This tune can be used for everyday driving, towing and racing. Dynamometer testing results have shown up to 22 horsepower and 24 ft.-lbs torque increase on the premium tune to the rear wheels.