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RY-RPM-GP18-1.5.jpg

GP1800 Stage 1 PLUS Kit

Our Stage 1 PLUS Kit delivers a huge performance gain with simple bolt-on modifications! Expect awesome acceleration and a top speed increase of 14 MPH. Maptuner X programmer is utilized to reflash your original ECU (Engin...

  • Retail Price
    $2,637.50

  • Discounted Price
    Sale: $2,373.75

    • Save: 10% off
    "Add to Cart"
    RY-RPM-GP18-1.5.jpg

    GP1800 Stage 1 PLUS Kit

  • Retail Price
    $2,637.50

  • Discounted Price
    Sale: $2,373.75

    • Save: 10% off

    Our Stage 1 PLUS Kit delivers a huge performance gain with simple bolt-on modifications! Expect awesome acceleration and a top speed increase of 14 MPH. Maptuner X programmer is utilized to reflash your original ECU (Engine Control Unit) for added performance. The MaptunerX Bundle de...

    Add to cart
    RY-RPM-GP18-2.jpg

    GP1800 Stage 2 Kit

    This kit delivers an awesome level of performance (+18mph) through easy to install modifications. Expect huge gains in acceleration and torque along with fantastic top speed. Requires use of fresh premium pump fuel (91~93 octane)....

  • Retail Price
    $4,563.25

  • Discounted Price
    Sale: $4,106.93

    • Save: 10% off
    "Add to Cart"
    RY-RPM-GP18-2.jpg

    GP1800 Stage 2 Kit

  • Retail Price
    $4,563.25

  • Discounted Price
    Sale: $4,106.93

    • Save: 10% off

    This kit delivers an awesome level of performance (+18mph) through easy to install modifications. Expect huge gains in acceleration and torque along with fantastic top speed. Requires use of fresh premium pump fuel (91~93 octane). MaptunerX programmer is utilized to reflash your original ECU...

    Add to cart
    RY-RPM-GP18-3.jpg

    GP1800 Stage 3 Kit

    This kit delivers an awesome level of performance (+20 mph) through easy to install modifications. Expect huge gains in acceleration and torque along with fantastic top speed. Requires use of fresh premium pump fuel (91~93 octane)...

  • Retail Price
    $6,453.05

  • Discounted Price
    Sale: $5,807.75

    • Save: 10% off
    "Add to Cart"
    RY-RPM-GP18-3.jpg

    GP1800 Stage 3 Kit

  • Retail Price
    $6,453.05

  • Discounted Price
    Sale: $5,807.75

    • Save: 10% off

    This kit delivers an awesome level of performance (+20 mph) through easy to install modifications. Expect huge gains in acceleration and torque along with fantastic top speed. Requires use of fresh premium pump fuel (91~93 octane). MaptunerX programmer is utilized to reflash your original EC...

    Add to cart
    RY-RPM-GP18-1-18.jpg

    GP1800 SVHO Stage 1 Kit

    Our Stage 1 modification delivers a huge performance gain with no additional parts required! Expect awesome acceleration and a top speed increase of 9 MPH. The MaptunerX Bundle delivers instant plug-in horsepower! Quick...

  • Retail Price
    $989.80

  • Discounted Price
    Sale: $890.82

    • Save: 10% off
    "Add to Cart"
    RY-RPM-GP18-1-18.jpg

    GP1800 SVHO Stage 1 Kit

  • Retail Price
    $989.80

  • Discounted Price
    Sale: $890.82

    • Save: 10% off

    Our Stage 1 modification delivers a huge performance gain with no additional parts required! Expect awesome acceleration and a top speed increase of 9 MPH. The MaptunerX Bundle delivers instant plug-in horsepower! Quickly and easily load our Stage 1 performance tune into your Yamaha ECU (...

    Add to cart
    RY-RPM-GP18-1.5-18.jpg

    GP1800 SVHO Stage 1 PLUS Kit

    Our Stage 1 PLUS Kit delivers a huge performance gain with simple bolt-on modifications! Expect awesome acceleration and a top speed increase of 14 MPH. MaptunerX programmer is utilized to reflash your original ECU (Engine...

  • Retail Price
    $2,077.55

  • Discounted Price
    Sale: $1,869.80

    • Save: 10% off
    "Add to Cart"
    RY-RPM-GP18-1.5-18.jpg

    GP1800 SVHO Stage 1 PLUS Kit

  • Retail Price
    $2,077.55

  • Discounted Price
    Sale: $1,869.80

    • Save: 10% off

    Our Stage 1 PLUS Kit delivers a huge performance gain with simple bolt-on modifications! Expect awesome acceleration and a top speed increase of 14 MPH. MaptunerX programmer is utilized to reflash your original ECU (Engine Control Unit) for added performance. The MaptunerX Bundle del...

    Add to cart
    RY-RPM-GP18-2-18.jpg

    GP1800 SVHO Stage 2 Kit

    This kit delivers an awesome level of performance (+18mph) through easy to install modifications. Expect huge gains in acceleration and torque along with fantastic top speed. Requires use of fresh premium pump fuel (91~93 octane)....

  • Retail Price
    $4,519.30

  • Discounted Price
    Sale: $4,067.37

    • Save: 10% off
    "Add to Cart"
    RY-RPM-GP18-2-18.jpg

    GP1800 SVHO Stage 2 Kit

  • Retail Price
    $4,519.30

  • Discounted Price
    Sale: $4,067.37

    • Save: 10% off

    This kit delivers an awesome level of performance (+18mph) through easy to install modifications. Expect huge gains in acceleration and torque along with fantastic top speed. Requires use of fresh premium pump fuel (91~93 octane). MaptunerX programmer is utilized to reflash your original ECU...

    Add to cart
    RY-RPM-GP18-3-18.jpg

    GP1800 SVHO Stage 3 Kit

    This kit delivers an awesome level of performance (+18mph) through easy to install modifications. Expect huge gains in acceleration and torque along with fantastic top speed. Requires use of fresh premium pump fuel (91~93 octane)....

  • Retail Price
    $6,409.10

  • Discounted Price
    Sale: $5,768.19

    • Save: 10% off
    "Add to Cart"
    RY-RPM-GP18-3-18.jpg

    GP1800 SVHO Stage 3 Kit

  • Retail Price
    $6,409.10

  • Discounted Price
    Sale: $5,768.19

    • Save: 10% off

    This kit delivers an awesome level of performance (+18mph) through easy to install modifications. Expect huge gains in acceleration and torque along with fantastic top speed. Requires use of fresh premium pump fuel (91~93 octane). MaptunerX programmer is utilized to reflash your original ECU...

    Add to cart
    F144968530.jpg

    GP1800R HO & VXR/VX-HO STAGE 1 KIT

    Our Stage 1 Kit delivers significantly improved performance with only 3 modifications! Expect awesome acceleration and a top speed increase of 5 MPH. MaptunerX programmer is utilized to reflash your original ECU (Engine Co...

  • Retail Price
    $1,607.70

  • Discounted Price
    Sale: $1,446.93

    • Save: 10% off
    "Add to Cart"
    F144968530.jpg

    GP1800R HO & VXR/VX-HO STAGE 1 KIT

  • Retail Price
    $1,607.70

  • Discounted Price
    Sale: $1,446.93

    • Save: 10% off

    Our Stage 1 Kit delivers significantly improved performance with only 3 modifications! Expect awesome acceleration and a top speed increase of 5 MPH. MaptunerX programmer is utilized to reflash your original ECU (Engine Control Unit) for added performance. The MaptunerX Bundle delivers insta...

    Add to cart

    GP1800R HO/SVHO SERVICE MANUAL

    GP1800R HO/SVHO SERVICE MANUAL 2021 Yamaha GP1800R SVHO

  • $90.00
    •
    "Add to Cart"

    GP1800R HO/SVHO SERVICE MANUAL

  • $90.00

    • GP1800R HO/SVHO SERVICE MANUAL 2021 Yamaha GP1800R SVHO...

    Add to cart
    yamaha_gp1800_2023_stage1.webp

    GP1800R SVHO 2021-23 Stage 1 Kit

    KIT INCLUDES Engine & Drivetrain RIVA Maptuner Nano Yamaha 2018+ 1.8L/1.9L Bundle RY210SC-B-1 Our Stage 1 modification delivers a huge performance gain with no additional parts required! Expect awesome acceleration and a ...

  • Retail Price
    $990.80

  • Discounted Price
    Sale: $891.72

    • Save: 10% off
    "Add to Cart"
    yamaha_gp1800_2023_stage1.webp

    GP1800R SVHO 2021-23 Stage 1 Kit

  • Retail Price
    $990.80

  • Discounted Price
    Sale: $891.72

    • Save: 10% off

    KIT INCLUDES Engine & Drivetrain RIVA Maptuner Nano Yamaha 2018+ 1.8L/1.9L Bundle RY210SC-B-1 Our Stage 1 modification delivers a huge performance gain with no additional parts required! Expect awesome acceleration and a top speed increase of 9 MPH. Requires use of fresh premium pump fuel (...

    Add to cart

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    The GreenHulk PWC Performance Parts Store has been the number one trusted source for PWC enthusiasts since 2006. We carry only the aftermarket parts and accessories for your Sea Doo, Yamaha Waverunner and Kawasaki Jetski that have been tested and proven. In addition, most of our performance parts have been discussed in great depth by some of the most skilled PWC tuners in the world on our forums at GreenHulk.net. In addition to personal watercraft performance upgrades, we sell factory OEM replacement parts for all skis, Honda, Yamaha, Kawasaki, Suzuki and Can-Am dirt bikes, street bikes, Quads, ATV, UTV and Yamaha outboards.

    We offer the absolute best customer service in the industry, guaranteed. We look forward to serving your needs!

     2026 PWC Performance