The GPR Trioval slip-on exhaust enhances the performance of Kawasaki KLX 400 R motorcycles. The exhaust system features polished 304 stainless steel construction with a 100mm x 130mm diameter. The Trioval design delivers improved sound output while maintaining legal noise limits. The exhaust includes a removable dB killer and specialized link pipe for simple installation. GPR manufactures this exhaust system in Italy and backs it with a 2-year warranty. Kawasaki KLX 400 R Exhaust Fitment Kawasaki KLX 400 R 2003 2004 GPR Exhaust Information Removable DB Killer: Included Weight: 4.29 pounds (1.95 kg) Length: 15.75 Inches (400 MM) Finish: Polished Stainless Steel Link pipe: Included Catalyst: Not necessary for this product European Homologation: Yes Kawasaki KLX 400 R GPR Trioval Slip-on Exhaust Details Enhanced Performance: The Trioval design optimizes exhaust flow for improved engine output compared to stock systems Superior Sound Quality: The exhaust produces a deeper, more aggressive tone while staying within legal sound limits Premium Construction: Hand-polished 304 stainless steel ensures lasting durability and resistance to corrosion Easy Installation: The included link pipe and mounting hardware enable direct fitment without modifications Weight Reduction: Lighter construction than stock components improves overall motorcycle performance Quality Assurance: Italian craftsmanship and 2-year warranty guarantee product satisfaction The GPR Trioval slip-on exhaust enhances the performance of Kawasaki KLX 400 R motorcycles. The exhaust system features polished 304 stainless steel construction with a 100mm x 130mm diameter. The Trioval design delivers improved sound output while maintaining legal noise limits. The exhaust includes a removable dB killer and specialized link pipe for simple installation. GPR manufactures this exhaust system in Italy and backs it with a 2-year warranty. Enhanced Performance: The Trioval design optimizes exhaust flow for improved engine output compared to stock systems Superior Sound Quality: The exhaust produces a deeper, more aggressive tone while staying within legal sound limits Premium Construction: Hand-polished 304 stainless steel ensures lasting durability and resistance to corrosio