Big Gun Ballistic Series Slip-On Exhaust Honda Trx250X / Trx250Ex The Ballistic Series exhaust by Big Gun provides immediate horsepower improvements and improved torque, giving that extra boost while having a lighter weight than the original exhaust. Features: Economically priced slip on exhaust Black powder coated aluminum muffler housing 304 stainless steel mid pipe Machined black powder coated stainless steel end tip Much lighter than stock Increased horsepower and torque Removable screen-type spark arrestor included Handmade in the USA Note: Manufacturer recommends tuning after exhaust install.