2012 Suzuki Boulevard S40, Prices exclude dealer setup, taxes, title, safety and licensing and are subject to change Supertrapp pipe, really clean bike. The Boulevard S40 takes that timeless single-cylinder design and adds a shot of advanced Suzuki technology to create a bike that combines exciting performance with rock-solid reliability. One of the S40's major attractions is its lightweight responsiveness - it's great for cruising down the boulevard or beyond the city limits.