Cobra 909-Speedsters For Harley Flfb/S / Fxbrs Features Combined traditional styling and modern performance technology Offers triple-chromed, shotgun-styled pipes Includes full length, 222 heat shields and a rolled tip Deliver power gains over stock that are among the highest, they come from the Cobra PowerPort, crossover technology, which helps increase overall power from idle to redline Power increases you normally experience with a 2 into 1 system while retaining the clean classic lines of a 2 into 2 system