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