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Rotax 1503 4-TEC supercharged / 2012-2017

Sea-Doo 260 Stage 2 Performance Kit

The next step for legacy 4-TEC riders adding more air, cooling review, and exhaust support.

Sea-Doo 260 Stage 2 Performance Kit

Price

$1,450

Build-path planning estimate

Install

Intermediate

5-8 hours

What you get

Included GT40 SKUs

GT40-SD-STG1-260

Stage 1 base path

GT40-SD-TUBE-260

260 Intercooler Tubing with BOV review

GT40-SD-EXH-260

260 Rear Exhaust review

HP

Typical planning range: +20 to +30 HP with tune-matched setup

Torque

More midrange pull with setup review

Boost

Mild-tune boost range; confirm with tuner

Recommended for

Riders who already have the first bolt-ons
Older 4-TEC builds needing better support
Owners planning tune review
FeatureStage 1Stage 2Stage 3
Air IntakeIncludedIncludedIncluded
Intercooler Tubing with BOVIncludedIncludedIncluded
Cooling reviewOptionalIncludedIncluded
Exhaust/waterbox pathOptionalIncludedIncluded
Tune requiredNoRecommendedRequired

FAQs

Is there a single boxed Stage 2 kit?

This is currently a build path. Confirm parts and fitment before ordering.

Does Stage 2 require a tune?

Tune review is recommended because setup varies across older 4-TEC hulls.

Should older machines be inspected first?

Yes. Confirm supercharger, hoses, and maintenance state before adding power.

How fast does the kit ship?

In-stock GT40 parts normally ship from the current GT40 fulfillment queue. Check the product page before checkout for live availability.

Will this affect my factory warranty?

Any performance modification can affect factory warranty coverage. Confirm with your dealer and installer before modifying a new craft.

Can GT40 help confirm my exact model?

Yes. Use your exact year, model, and engine when ordering so the GT40 team can confirm the correct fitment path.