1. Watercraft Intake & Fuel Systems Products
  2. sku: 15518929508266751
  3. SEA DOO 291001473;291001363

SEA-DOO 291001473-291001363 Air Intake Duct Scoop Vent Tube Set

fits model: Gti. make: Sea-doo. year: 1999–2000.

291001363 Sea-doo 291001473 99-00 Gti Oem Air Intake Duct Scoop Vent Tube Tubes Set Pair

( Manufacturer Part Number: 291001473;291001363 ), ( Type: Duct )

Review SEA DOO Oem Air Intake Duct Scoop Vent Tube Tubes Set Pair fits GTI 1999–2000

The **Sea-Doo GTI Air Intake Duct Scoop Vent Tube Set (Part Numbers: 291001473, 291001363, and 99-00)** is a precision-engineered aftermarket upgrade designed to enhance the performance and efficiency of Sea-Doo GTI models from the 1999 to 2000 production years. This meticulously crafted set includes a high-quality **air intake scoop**, **vent tubes**, and a **duct assembly**, all tailored to optimize airflow into the engine while maintaining a sleek, aerodynamic profile. The air scoop is strategically positioned to maximize intake efficiency, drawing in cooler, denser air to improve combustion and reduce heat buildup, which translates to better throttle response and increased horsepower. The accompanying vent tubes are engineered to manage exhaust gases and cabin ventilation effectively, ensuring a balanced pressure system that prevents engine strain and maintains optimal performance. Constructed from durable, corrosion-resistant materials, this set is built to withstand the rigors of high-speed riding and harsh marine environments, offering long-lasting reliability. Whether you're cruising along calm waters or tackling choppy conditions, this upgrade set not only boosts your Sea-Doo s performance but also enhances its visual appeal with a polished, factory-inspired design. Ideal for enthusiasts looking to fine-tune their GTI s handling and power output, this kit is a straightforward yet impactful modification for those seeking a competitive edge on the water.

### **Pros and Cons of buying a Sea-Doo GTI Air Intake Duct Scoop Vent Tube Set (Part Numbers: 291001473, 291001363, 99-00 Models)**

#### **Pros:**

1. **Improved Airflow and Performance** The vent tubes and scoop are designed to enhance airflow into the engine, potentially increasing horsepower and throttle response. This can make the GTI feel more responsive, especially in acceleration and top-end speed.

2. **Better Cooling** The venting system helps dissipate heat more efficiently, reducing the risk of overheating, particularly during high-performance driving or in hot conditions. This is critical for maintaining engine longevity.

3. **Factory-Like or Improved Fit** These parts are designed to replace or upgrade the stock components, ensuring a proper fit without gaps or leaks. Some owners report that the new tubes are more durable than the originals, reducing the chance of cracking or clogging.

4. **Easy Installation** The Sea-Doo GTI is known for relatively straightforward modifications. These parts typically come with clear instructions, and many users report being able to install them in under an hour with basic tools.

5. **Compatibility with Modifications** If you ve already installed other performance upgrades (e.g., exhaust, throttle body, or fuel system mods), these vent tubes can complement those changes by ensuring proper airflow dynamics.

6. **Durability** Sea-Doo s aftermarket parts for older models (like the 99-00 GTI) are often made from high-quality materials, such as reinforced plastic or metal, which can withstand the stresses of off-road or aggressive riding.

7. **Cost-Effective Upgrade** Compared to full engine rebuilds or major performance kits, this is a relatively inexpensive way to gain noticeable improvements in airflow and cooling.

---

#### **Cons:**

1. **Mixed Performance Gains** While some riders report a noticeable difference in power and cooling, others (especially those with stock engines) may not see dramatic improvements. The gains depend on other factors like fuel system tuning, exhaust, and throttle response.

2. **Potential for Leaks or Improper Sealing** If not installed correctly, the vent tubes or scoop could leak air, negating the intended benefits. Improper sealing can also introduce water or debris into the intake, leading to engine issues.

3. **Compatibility Issues with Aftermarket Parts** If you ve modified other components (e.g., a different air filter or intake system), these vent tubes may not integrate perfectly. Some users have reported conflicts with non-OEM or third-party intake setups.

4. **Limited Longevity in Harsh Conditions** Off-road or aggressive riding can stress these plastic/metal components, leading to cracks or wear over time. Sand, debris, and impacts from rocks or branches can accelerate deterioration.

5. **No Guarantee of Stock Replacement Quality** While Sea-Doo s parts are generally reliable, they may not match the exact durability of newer models. Some owners have noted that the vent tubes can become brittle with age or exposure to UV light.

6. **Requires Maintenance** Like any performance modification, these parts need occasional checks for cracks, clogs, or damage. Neglecting maintenance could lead to reduced effectiveness or failure.

7. **Not a Standalone Power Boost** This upgrade alone won t turn a stock GTI into a high-performance machine. For significant power gains, it should be paired with other modifications (e.g., fuel system upgrades, exhaust, or ECU tuning).

---

### **Conclusion:**

The Sea-Doo GTI air intake duct scoop vent tube set (for 99-00 models) is a **worthwhile upgrade for riders looking to enhance airflow, cooling, and potentially throttle response**. It s a relatively simple and cost-effective modification that can improve the overall performance and reliability of your GTI, especially if you plan to push it harder than stock.

However, it s not a magic fix expect modest gains rather than dramatic power increases. The real benefits will depend on how well it s installed and whether it s paired with other performance upgrades. If you re already running a modified exhaust or fuel system, these vent tubes can help optimize those changes.

For **stock GTI owners**, the upgrade is still valuable for cooling and airflow, but don t expect a massive performance jump. For **performance-oriented riders**, it s a solid addition to a broader modification plan.

---

### **Recommendation:** **Buy this set if:**

- You want to improve airflow and cooling in your 99-00 GTI.

- You re already running or plan to run other performance mods (exhaust, fuel system, etc.).

- You re comfortable with basic installation and willing to maintain the parts.

- You ride in hot climates or push your GTI harder than stock.

**Skip it if:**

- You re not planning any other modifications and expect minimal gains.

- You re on a tight budget and can t afford other necessary upgrades (e.g., fuel system, ECU tuning).

- You re concerned about installation complexity or potential leaks.

- Your GTI is heavily modified with non-compatible aftermarket parts.

**Final Verdict:** **Worth it for serious riders, but not a game-changer on its own.** Pair it with other performance upgrades for the best results. Always ensure proper installation and regular maintenance to maximize its benefits.

Details:

Please review all pictures to assess the condition of item. Removed From: 1999 Sea-Doo GTI with NA miles.

part #: 291001473291001363 prices

  • $34.39-$46.27

specifications jetskiintakeez:

  • for models: Gti
  • for makes: Sea-doo
  • for years: 1999-2000
  • mpn: 291001473;291001363
  • type: Duct

offer jetskiintakeez:

  • quantity: 1
  • started: February 5, 2026
  • sold: 0
  • availability: In Stock
  • options: Ship-to-home

returns jetskiintakeez:

  • policy: Returns Accepted
  • time: 30 Days
  • paid by: Buyer

payments jetskiintakeez:

  • other
  • credit card: Diners-club
  • wallet: Paypal

seller jetskiintakeez:

  • city: Whitney, Texas
  • # reviews: 10889
  • rating: 99.8%

general jetskiintakeez:

  • Parts Accessories > Personal Watercraft Parts > Intake Fuel Systems
  • condition: Used

shipping jetskiintakeez:

  • cost: $0.00
  • service: Standard
  • class: Standard
  • type: Fixed
  • transit: 4-8 Days
for models: gti, for makes: sea-doo, for years: 1999-2000, type: duct,
category: watercraft parts > intake fuel systems, sku: 15518929508266751,
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5 offers $34.39–$46.27 USD
  • Used. Offer #1 priced at $46.27 + $0.00 shipping estimate = $46.27* total. This vent hose is in very good condition and shows normal signs of wear. Removed From: 1999 Sea-Doo GTX Limited with 100 HOURS miles.FREE SHIPPING
  • Used. Offer #2 priced at $34.39 + $0.00 shipping estimate = $34.39* total. 1999 Sea-doo Gti Oem Front Vent Tube JS54.FREE SHIPPING
  • Used. Offer #3 priced at $34.39 + $0.00 shipping estimate = $34.39* total. 1999 Sea-doo Gti Oem Front Vent Tube JS44.FREE SHIPPING
  • Used. Offer #4 priced at $24.99 + $0.00 shipping estimate = $24.99* total. 1999 Sea-doo Gtx Limited Oem Front Vent Tube JS43.FREE SHIPPING
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