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(970) 391-8675



Rossier Engineering yfz450r exhaust

Due to crazy demand we have  3 week lead time on R4 exhaust systems . All our clients say it was worth the wait. Make sure you read what they say about us in all the Magazines down below.



YOU CAN NOW  ORDER THE NEW R5 WITH ANTI-REVERSION HEADER  FOR YFZ450R , YFZ450 CARB  and Raptor700r( click products)   Please be advised that the R5  orders have been overwhelming and we currently have a 1-2 week lead time.

NEW R5 for the Raptor 700r!

Pure Engineering !

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NEW R5

New Yfz450r Exhaust

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Most Popular

R4 yfz450r

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Fastest Growing Exhaust

R4 Raptor 700r

Building Fast Machines since 1991

    7 World Championships in 1996

    Find out more

    Artwork

      PRODUCTS OFFERED BY ROSSIER ENGINEERING

      Yfz450r Raptor 700r Trx450r exhaust for ATV
      Yfz450r Raptor 700r Trx450r exhaust for ATV
      ATV suspension

      Photo Gallery

        R5 YFZ450R

        Yfz450r

        Kfx450r

        Thundering through the woods

        All about horsepower !

        This is the Way !

        Raptor 700r

        We love the Raptor at Rossier Engineering

        Raptor 700r Sound

         Thunderbolt and lightning very, very frightening  

        R5 Sound

        Idle and reving sound ( watch full video)

        Read what our customers are saying about us on social media

          2007, 2008, 2009 Dakar with rossier engineering

            Social

            MAGAZINE REVIEWS

            TEST QUAD XTREME LTR 450 DAKAR

            LTR450 CARLOS AVENDANO 2007 DAKAR WINNER

            LTR450 CARLOS AVENDANO 2007 DAKAR WINNER

            ltr450 exhaust Dakar winner
            click for video

            LTR450 CARLOS AVENDANO 2007 DAKAR WINNER

            LTR450 CARLOS AVENDANO 2007 DAKAR WINNER

            LTR450 CARLOS AVENDANO 2007 DAKAR WINNER

            Rossier Engineering Exhaust Dakar winner

            Rossier Engineering to victory

            off-road.com Review

            LTR450 CARLOS AVENDANO 2007 DAKAR WINNER

            ATV RIDER Factory level MX Racer

            yfz450r exhaust
            Find out more

            ATV RIDER Factory level MX Racer

            Suzuki LT-R 450 Dakar Chilly Racing Race year 2009

            ATV RIDER Factory level MX Racer

            Rossier Engineering Exhaust

            LTR450 Rossiering Engineering Exhaust 

            Find out more

            Suzuki LT-R 450 Dakar Chilly Racing Race year 2009

            Suzuki LT-R 450 Dakar Chilly Racing Race year 2009

            Suzuki LT-R 450 Dakar Chilly Racing Race year 2009

            Rossier Engineering Dakar winner

            Rossier Engineering Exhaust enduring 6,213 mile

            find out more

            SUZUKI MOTORRAD LTR 450 DAKAR year 2007

            Suzuki LT-R 450 Dakar Chilly Racing Race year 2009

            Suzuki LT-R 450 Dakar Chilly Racing Race year 2009

            Rossier Engineering Exhaust Dakar winner

            Rossier Engineering Exhuast enduring 6213 mile Race

            Find out more

            Dirt Wheels

            Dirt Wheels

            Dirt Wheels

            Check the  AWESOME review they gave us at Dirt Wheels

            Check the  AWESOME review  they gave us at Dirt Wheels

            Racers with Rossier Engineering

              About Us

              Rossier Engineering

               Welcome to Rossier Engineering Exhaust's product page. This company first opened it's doors in 1991. Primarily a watercraft and dirt bike performance shop, we enjoyed a great deal of success during the watercraft racing boom of the 90's. As that market declined, we noticed the popularity of the burgeoning ATV racing scene. We followed the trend, and switched our operation over to 4-stroke development, concentrating on the 450 race quad segment. After brief retirement the exhaust part of the company has made a return and is now making exhausts for yfz 450r's , Raptor 700,kfx450r,ltr450,ltz400 and trx450r's. Please feel free to call with any questions- (970)-391-8675 

              PEP

              ATV suspension

              ROSSIER ENGINEERING IS A DISTRIBUTOR FOR ALL PERFORMANCE ENGINEERED PRODUCTS

              Contact Us

              Manufacturing Facility is located in Anaheim California

              Rossier Engineering / Office

              3850 Big Dipper Dr , Fort Collins, Colorado 80528, United States

              (970) 391-8675

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