Jet Tech has made over 500 custom exhaust tubes since 1999. This YA F-18 Twin Bifurcated Exhaust Tube is the second edition to the list of bifurcated exhaust tubes for some of the more popular jet kits. This pipe is designed for 120-200 size turbines up to 55# thrust and has a 4.0” diameter machined bell mouth and double 2.75” exits. The inner pipe is constructed of .007 302 full hard stainless steel, the outer pipe is .005 302 full hard stainless. Jet Tech plans to make bifurcated pipes available starting in January 2018. Call or email Jet Tech for availability before ordering this pipe. Additional shipping charges will be applied.