Even if you own one of the best Harley-Davidson motorcycles ever made, you're likely to still experience some backfiring from time to time. Backfiring is a loud popping or cracking sound that erupts ...

For most riders performance is the last consideration. With a $1,500 exhaust you might be able to get around 80 rear-wheel horsepower out of a 1200cc Sportster with an intake and a tuner, but with a ...

Forbes contributors publish independent expert analyses and insights. I cover luxury automotive, motorcycles and related topics. This article is more than 10 years old. It's impossible to explore the ...

MILWAUKEE (June 27, 2011) Ideal for use in areas where premium fuel is not available, Screamin' Eagle® Super Octane Boost (P/N 94867-10, $4.95) from Harley-Davidson® Genuine Motor Accessories provides ...