Stihl BR 800 X Magnum Backpack BlowerPrepared to be blown away. The most powerful blower in the STIHL line is here. The American built BR 800 X MAGNUM is the ideal machine for professional landscapers tackling large properties. With a 4. 4 bhp engine, the BR 800 X offers 20 percent more power than the BR 700, allowing you to clear leaves, grass, and heavy debris faster and more efficiently. By adding the BR 800 X to your fleet, youll see a real impact where it counts most on your bottom