ENGINE
FREE FLOW EXHAUST KITS
  • Eliminates the all-plastic power-robbing sound suppression system with an
  • opened-up and re-routed design allowing the exhaust to travel out of the water
    box with zero restriction and back pressure
  • Improves acceleration and top-speed performance
  • Manufactured from oversized CNC precision mandrel bent aluminum tubing and
  • is coupled with high-temperature silicone hoses
    FITS MODEL
    PART #
    SUG. RETAIL
    FITS MODEL
    PART #
    SUG. RETAIL
    SEA-DOO
    YAMAHA
    Spark 14-17
    1850-0005
    $199.95
    FZR, FZS, FZR SVHO 09-17
    1850-0013
    $234.95
    FREE FLOW EXHAUST KIT
    FOR KAWASAKI ULTRA 310X
  • The R&D Kawasaki 310X Free-Flow Exhaust Kit will wake up your engine’s performance
  • by reducing exhaust back pressures and excessive exhaust heat
  • The R&D Kit works to eliminate the number two outgoing water box completely and
  • also replaces the super restrictive exhaust transom outlet to full 3” outlet
  • The R&D Kit is a must-install kit to seriously reduces heat and back pressure when
  • running higher engine rpms that come along with higher boost pulleys, camshaft kits,
    or any other power adders for the Kawasaki
  • The largest kit available for the Kawasaki 310X
  • The R&D Kit adds a great performance sound and a high-performance look
  • NOTE: For those further wanting to reduce back pressures on R&D stage 2-3 engine kits, R&D offers
    instructions for increased performance modifications that can be easily done to the main waterbox.
    SUG. RETAIL ............................. $439.95
    The Kawasaki waterbox is super strong, and R&D prefers to modify the stock box.
    PART #
    1850-0012
    EXHAUST KIT
    FOR SEA-DOO
    FREE FLOW EXHAUST KIT
    SPARK
  • Increased throttle
  • FOR SEA-DOO SPARK
    response through the rpm range
  • Increased throttle response and reduced back pressure
  • Lightweight molded silicone hose
  • Lightweight molded silicone hose
  • Billet anodized rear exhaust outlet
  • Easy installation with included hardware
  • Easy to install with all hardware provided
  • Fits 2- and 3-seater Spark models, including IBR models
  • Suits two-seater style Spark models only
  • SUG. RETAIL ......... $225.95 PART #
    1850-0007
    SUG. RETAIL ......... $304.95 PART #
    1850-0006
    REAR EXHAUST KIT
    FOR SEA-DOO RXP/ RXT/ RXTX/ RXPX/ GTI/ GTR/ GTX
  • 3” billet outlet
  • Molded silicone hose eliminates resonance to deliver tough,
  • throaty exhaust sound
  • Standard outlet block off included
  • Eliminates restrictive sound suppression baffles
  • Suitable for recreational and race PWC
  • SUG. RETAIL ......................... $369.95 PART #
    1850-0009
    1850-0008
    1850-0010
    REAR EXHAUST KITS
  • Molded black silicone hose for easy installation
  • Billet anodized black 3” exhaust outlet
  • Billet anodized block-off plate
  • Eliminates restrictive sound-
  • suppression baffles
  • Silicone hose reduces exhaust resonance
  • and droning
  • A must for high horsepower/ racecraft
  • SUG. RETAIL .......................... $369.95
    FITS MODEL
    PART #
    FITS MODEL
    PART #
    FITS MODEL
    PART #
    FITS MODEL
    PART #
    YAMAHA
    YAMAHA (CONT)
    YAMAHA (CONT)
    YAMAHA (CONT)
    FZS, FZR, FX SHO 08-16
    1850-0008
    FX HO 08-15
    1850-0008
    FX HO 16-18
    1850-0010
    VXR,VXS,VX 15-18
    1850-0010
    2018 PARTS UNLIMITED WATERCRAFT