CMI Straight Back Sweeper Headers for Mercury 525-700 Engines - Leaned for Staggered Engine Applications 

The all polished, straight back CMI Sweeper style are a superior long tube header designed for both racing and any high-performance application. These leaned, taller headers are commonly used in custom or staggered set up Mercury 525-700 series motors. These headers feature the CMI Flex Flare Tailpipe Connection. For big-block applications, where maximum scavenging and horsepower are required, CMI Sweeper headers deliver peak performance and power from naturally aspirated engines. This version is leaned for use on staggered engine applications.