The GPR Full System Pentacross Titanium exhaust delivers exceptional performance for Kawasaki KX450F motorcycles. This racing system features a stainless steel 304 manifold and titanium silencers. The exhaust system increases power output by 2 horsepower. The system provides significant weight reduction through premium titanium construction. The exhaust mounts directly to the motorcycle cylinders without modifications. GPR designs this system to meet FIM racing specifications. Kawasaki KX450F Exhaust Fitment Kawasaki KX450F 2012 2013 2014 2015 GPR Exhaust Information Removable DB Killer: Included Weight: 3.124 pounds (1.42 kg) Length: 13.78 Inches (350 MM) Finish: Brushed Titanium Link pipe: Full system, includes headers Catalyst: Not necessary for this product European Homologation: No, contact us for a homologated alternative Kawasaki KX450F GPR Pentacross Titanium Exhaust Details Maximum Power Gains: The ULTRABOMB expansion chamber and PENTACROSS silencer design increases horsepower by 2HP Lightweight Construction: Full titanium silencers and 304 stainless steel manifold reduce overall weight for improved handling Direct Fitment: The system includes all mounting hardware and installs without modifications to your motorcycle Racing Performance: Developed with MXGP teams to meet FIM competition standards Quality Assurance: Italian manufacturing with a 2-year international warranty ensures lasting performance