BILLS PIPES BILLS PIPES 4-STROKE-SA-4 KTM HEAD PIPE

The SA-4 head pipe is offered as an option to add to your SA-4 slip on. If you have an existing SA-4 slip on and are looking to add more power and replace your stock head pipe, this is it. TIG welded 304 Stainless steel Larger diameter than stock allowing more flow Maximum clearance and seamless fit Increased horsepower and torque gains Hand-crafted in the USA *Not all models have a corresponding head pipe and are sold as full systems only. We do not manufacture our head pipes to fit with any other aftermarket exhaust.*.