First Benchmarks for LEGO Batman: Legacy of the Dark Knight Big Gun Exhaust 08 1352 BALLISTIC SERIES Slip On. Big Gun Exhaust 08 1352 BALLISTIC SERIES Slip On The Big Gun Exhaust BALLISTIC series offers the best bang for your buck if you are looking for instant horsepower and torque gains. The BALLISTIC Series gives you a lighter and much better performing exhaust all while maintaining the same level of quality you have come to expect. Simply put, the BALLISTIC cannot be matched when it comes to price, craftsmanship, and overall looks. 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 1 Year Limited Manufacturers Warranty Big Gun Exhaust 08 1352 Fitment: Yamaha YZ 250F (10 13) The Big Gun Exhaust BALLISTIC series offers the best bang for your buck if you are looking for instant horsepower and torque gains. The BALLISTIC Series gives you a lighter and much better performing exhaust all while maintaining the same level of quality you have come to expect. Simply put, the BALLISTIC cannot be matched when it comes to price, craftsmanship, and overall looks. 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 1 Year Limited Manufacturers Warranty Big Gun Exhaust 08 1352 Fitment: Yamaha YZ 250F (10 13)