AVON LAKE, OH (08.20.2019) – The 2015-2019 Polaris Slingshot SI LE has a compact design that places the vehicle’s 4 cylinder engine, muffler, catalytic converter and exhaust manifold all in close proximity to the passenger side. This concentration of heat easily transfers into the passenger seat, greatly affecting the comfort of the floor and cockpit area. AVON LAKE, OH (08.20.2019) – The 2015-2019 Polaris Slingshot SI LE has a compact design that places the vehicle’s 4 cylinder engine, muffler, catalytic converter and exhaust manifold all in close proximity to the passenger side. This concentration of heat easily transfers into the passenger seat, greatly affecting the comfort of the floor and cockpit area.