In engineering terms, the “isometric aggregated exhaust manifold” four-two-one maximizes torque and acceleration functionality. This unique style and design is an business-very first and at present is often a Tohatsu exclusive. By engineering Every exhaust passage to get equal in duration, the merging of exhaust of every cylinder produces excess https://outboardmotorstore.com/product-category/evinrude-outboard-motors/