HR engine 350z 370z G37 catalytic converter gasket 2.5 inch ID spoiler torque and fuel economy on

torque and fuel economy on top of that it get rid of the annoy 4 cylinders screaming high pitch exhaust tone and replace it with a more desirable deep rumble and best of all

High Flow merge collector

304 Stainless Steel -

does not fit XI models

you might not have notice but on the passenger side where the engine meet the transmission there's a exposed hole where you can actually see the flywheel on your polaris slingshot

HR engine 350z 370z G37 catalytic converter gasket 2.5 inch ID spoiler torque and fuel economy onDesign for Dual intake HR engine only will not work on DE single intake engines High quality gasket with metal fire ring design to prevent gasket blowout.