The Nissan Titan is an excellent full size model that dazzles people with its design, colors, and functionality. One point that is quite a disappointment to buyers is the mileage for this vehicle. The mileage doesn’t cut it when it comes to the frugal lifestyle everyone’s trying to implement nowadays. The hot topic at the moment is the Nissan titan gas mileage improvement possibility. One ingenious way is to install a gas mileage chip to improve the engine’s efficiency and fuel saving. While this method is gaining popularity, many consumers are skeptic on how a non-factory built in chip can help their Nissan Titan. So far each time deems the other team wrong, but again, who can decide?