REBUFFINI 687739 Adapter Meteor Kit Air Filter

( Brand: Rebuffini ), ( Manufacturer Part Number: 687739 ), ( Part Type: Adapter Filter ), ( Country Of Origin: United States )

Review REBUFFINI Meteorsair Filter Adapter Hardware Kit Xl fits SPORTSTER 1993–1999

The **Rebuffini 687739 Meteors Air Filter Adapter Kit for Harley-Davidson XL Sportster (1993 1999 Meteor)** is a meticulously engineered aftermarket solution designed to enhance the performance and reliability of your classic Sportster s air filtration system. Crafted with precision for the 883cc and 937cc engines found in the 1993 through 1999 Harley-Davidson XL888 and XL93, this adapter kit seamlessly integrates a high-quality Meteors air filter into your bike s stock intake setup, eliminating the need for costly modifications or aftermarket intake conversions. The kit features a robust, heat-treated aluminum housing that ensures durability while maintaining a sleek, factory-inspired appearance, blending seamlessly with the bike s original design. At its core, the adapter kit includes a custom-fitted gasket and mounting hardware, ensuring a perfect seal to prevent air leaks and maximize airflow efficiency. The Meteors air filter itself is a high-performance, oil-wetted cotton medium that provides superior filtration while allowing unrestricted airflow, reducing backpressure and improving throttle response. This kit is ideal for riders seeking a balance between performance gains and ease of installation, as it requires minimal modifications simply remove the stock air filter, attach the adapter, and install the Meteors filter without compromising the bike s original intake structure. Whether you re cruising on the open road or tackling spirited rides, this adapter kit delivers a noticeable boost in power and efficiency, all while maintaining the classic Sportster s timeless aesthetic. Perfect for both restoration projects and daily riders, the Rebuffini 687739 Meteors Air Filter Adapter Kit is a straightforward yet effective upgrade that enhances your bike s performance without sacrificing authenticity.

### **Pros and Cons of buying a Rebuffini 687739 Meteors Air Filter Adapter Kit for XL Sportster (93-99 Meteor)**

1. **Enhanced Airflow and Performance** The Rebuffini kit is designed to improve airflow into the engine, which can lead to better throttle response, increased horsepower, and a more aggressive exhaust note. This is particularly noticeable in the XL Sportster s stock setup, which can feel restrictive.

2. **High-Quality Materials** Rebuffini is a well-regarded brand in the motorcycle performance industry, known for durable and reliable components. The kit includes a high-flow air filter, a polished header, and a polished airbox, all of which are built to last.

3. **Easier Installation** The kit is designed to be a direct replacement for the stock air filter system, meaning it can be installed without major modifications to the bike. The adapter ensures a proper fit, reducing the risk of leaks or improper sealing.

4. **Improved Engine Breathing** The stock air filter on the 93-99 Meteor can become clogged over time, restricting airflow. The Rebuffini kit helps maintain cleaner airflow, which can contribute to better engine efficiency and longevity.

5. **Aesthetic Upgrade** The polished header and airbox not only improve performance but also give the bike a sportier, more aggressive look. This is a subtle but noticeable change for those who appreciate a cleaner, more modern appearance.

6. **Compatibility with Other Mods** If you plan to add other performance upgrades (such as a header, exhaust, or carburetor kit), the Rebuffini adapter can serve as a solid foundation for those modifications.

7. **Good Value for the Price** Compared to some aftermarket performance kits, the Rebuffini adapter is reasonably priced while still delivering noticeable improvements. It strikes a balance between cost and performance gains.

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1. **Minimal Horsepower Gains** While the kit improves airflow, the gains in horsepower and torque may be modest unless combined with other modifications (such as a header, exhaust, or carburetor tuning). Expect noticeable but not dramatic improvements.

2. **Requires Regular Maintenance** High-flow air filters can collect dirt and debris more quickly than stock filters. You ll need to clean or replace the filter more often to maintain performance, which adds to long-term costs.

3. **Potential for Increased Engine Wear (If Not Used Properly)** While the kit itself is durable, running a high-flow air filter with a stock engine can introduce slightly more unfiltered air, which may accelerate carbon buildup in the combustion chamber over time. This is more of a concern if the bike isn t maintained properly.

4. **Noise Increase** The polished header and improved airflow will make the engine louder, which may not be desirable if you prefer a quieter ride or live in an area with strict noise regulations.

5. **Not a Standalone "Big Power" Mod** Unlike a full header or exhaust system, this kit alone won t transform the bike into a high-performance machine. It s best used as part of a broader modification plan.

6. **Potential for Leaks** If the installation isn t done perfectly, there s a small risk of air leaks around the adapter or filter housing, which could negate some of the performance benefits.

7. **Limited Longevity Without Additional Mods** The benefits of this kit are most noticeable when paired with other upgrades (e.g., a header, exhaust, or carburetor). On its own, the improvements may feel subtle compared to the effort of installation.

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The Rebuffini 687739 Meteors Air Filter Adapter Kit is a solid choice for the 93-99 XL Sportster Meteor owner looking to improve airflow, throttle response, and aesthetics without a major overhaul. It s a relatively easy and cost-effective way to enhance performance, especially if you re already planning other modifications. However, it s not a "game-changer" on its own it works best as part of a broader tuning and performance package.

If you re satisfied with the stock power but want a slight upgrade in breathing and appearance, this kit is a worthwhile investment. If you re aiming for significant power gains, you ll likely need to pair it with a header, exhaust, and carburetor tuning.

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- You want a straightforward, high-quality upgrade to improve airflow and engine breathing.

- You re already planning other performance mods (header, exhaust, etc.) and want a compatible starting point.

- You prefer a cleaner, sportier look without a major engine rebuild.

- You re willing to maintain the filter more frequently than a stock unit.

- You re looking for dramatic horsepower gains without additional modifications.

- You prioritize noise reduction or a stock-like sound.

- You re on a tight budget and can t afford to pair it with other upgrades.

- You re not comfortable with minor installation work (though it s relatively simple).

**Final Verdict:** The Rebuffini adapter is a **good mid-tier performance upgrade** for the 93-99 Meteor, offering noticeable but not extreme improvements. It s best suited for riders who want incremental gains while keeping costs reasonable. If you re serious about tuning, consider pairing it with a header and exhaust for better results.

Details:

Details: New Rebuffini Meteor Assembly Hardware Kit fits XL Sportster model's 1993 1999 equipped . Brand: Rebuffini.

part #: 687739 price

• $59.95

specifications intakefuelmotorcycle:

• for models: Sportster
• for years: 1993-1999
• brand: Rebuffini
• mpn: 687739
• part type: Adapter Filter
• country of origin: United States

returns intakefuelmotorcycle:

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

offer intakefuelmotorcycle:

• started: April 18, 2026
• quantity: 1
• availability: In Stock
• options: Ship-to-home
• sold: 0

seller intakefuelmotorcycle:

• rating: 99.8%
• # reviews: 4632
• city: El Paso, Texas

shipping intakefuelmotorcycle:

• service: Standard
• class: Standard
• type: Fixed
• transit: 4-9 Days
• cost: $18.95

payments intakefuelmotorcycle:

• other
• wallet: Google-pay
• credit card: Discover

general intakefuelmotorcycle:

• condition: New
• Motorcycle Scooter Parts Accessories > Air Intake Fuel Delivery > Other Air Intake Fuel Delivery

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