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The Yamaha WR 400 F (1998-1999) is Yamaha's first modern 4-stroke enduro: a 399 cc liquid-cooled 5-valve single, around 45 hp, derived from the YZ 400 F motocrosser. On Moto-Sound you'll find a selection of exhausts for this model.
GPR sport exhausts for the Yamaha Wr 400 F 1998/99 are a proven choice for riders seeking quality aftermarket products. The Italian brand GPR has made versatility its strength: thirty years of production have made it one of the most recognisable names in the aftermarket exhaust market.
Installing a sport exhaust on your Yamaha Wr 400 F 1998/99 transforms the riding experience: the sound becomes more sporting and engaging, performance may improve thanks to reduced back pressure, and the bike gains a unique character. The sport exhaust also weighs less than the original, improving agility and reducing heat to the rider.
Looking for a road-legal exhaust? Each product description indicates whether it is approved for road use. Without this indication, the product is racing, track use only.
Please note: GPR exhausts for the Yamaha Wr 400 F 1998/99 are produced to order. Contact us in advance to find out the actual production and delivery times.
Browse the products below to find the right exhaust for your Yamaha Wr 400 F 1998/99.
Do you have a different Yamaha model? Find the right exhaust on the Yamaha exhausts page.
