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LEFT: Here’s a view of the Breathless step headers with all the tubes in, prior to installing the collectors. BELOW LEFT: The 3-inch slip-fit collectors slide onto the tubes and are secured with bolts at the side tabs. Brackets also secure the collectors to the bellhousing. gains at the rear wheels. On a 2002 Z06 with a Vortex Rammer System, Vortex PowerDuct, and Breathless throttle body and off-road X-pipe, the headers increased output by nearly 29 horsepower at the rear wheels, which calculates to approximately a 36 horsepower gain at the flywheel. The gains were obtained from the mid-range on up.Like all Breathless headers, the new step versions are fully Jet-Hot coated inside and out. For dyno charts and an explanation of step headers versus normal headers, Priced at $1,450, the Breathless C5 step headers are available from the Zip Products’ online Parts Store by clicking on the "Buy This Now" button. CM.com Source Breathless Performance Dania, FL 954-925-7725 www.breathlessperformance.com
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