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Plan your
installation.

Start with your exact part and machine. These buying checklists help you gather the details GT40 needs to confirm your setup.

Before you begin

Before installing a GT40 part, send support your order number or exact SKU plus the year, make, model, horsepower, and current modifications of the machine.

Install guides are temporarily on hold while we confirm the current product instructions. Request the packing list and instructions for your exact part before starting installation.

GT40-SD-WBOX-SHORTY

Sea-Doo 2020+ Shorty Water Box

  • Choose your exact year and model in Find My Fit.
  • The water box and rear-exhaust kit are separate products.
  • Check the existing water box, hose connections, retained clamps and clearance.
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GT-14007

Sea-Doo PWC SuperCooler

  • Confirm your exact PWC model and year. Sea-Doo Switch uses a separate application.
  • Send photos of the current intercooler, charge piping and cooling-water routing.
  • Confirm the packing list, mounting and any additional hoses or fittings for your setup.
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GT-20002

Yamaha 1.8L SHO/SVHO Intake

  • Confirm the supercharged 1.8L engine and exact model/year.
  • This intake is not for the naturally aspirated 1.9L HO or TR-1 platform.
  • Check intake connection size, under-seat clearance and existing modifications.
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