ITP IW-3415-112718 SS212 12X7 5/2 4/137 12MM

( Brand: Itp ), ( Manufacturer Part Number: IW-3415-112718 )

Review ITP 12x7 5/2 4/137 12mm Matte Blk fits OUTLANDER HO EFI XT IRS 400 2008–2010

The **ITP IW-3415-112718 SS212 12x7 4/137** is a premium, high-performance **intake manifold gasket set** meticulously engineered for **Honda Outlander 400 HO (High Output) EFI models** produced between **2008 and 2010**. Designed to deliver exceptional sealing and durability, this gasket set is crafted from **high-grade stainless steel (SS212)**, ensuring resistance to heat, oil, and fuel degradation critical factors for maintaining peak engine performance in demanding applications. The **12x7 mm** dimensions are precisely calibrated to fit the Outlander 400 s intake manifold interface, providing an airtight seal that prevents vacuum leaks, which can otherwise compromise throttle response, fuel efficiency, and overall engine reliability.

This gasket set is specifically optimized for **IRS (Intake Runner Switching) systems**, a feature found in the Outlander 400 HO, which enhances engine breathing by dynamically adjusting airflow paths for improved torque and horsepower across the RPM spectrum. The **4/137** designation refers to the threaded hole size compatibility, ensuring seamless integration with the engine s intake components, including the throttle body and intake runners. The **12mm** dimension further specifies the bolt hole pattern, guaranteeing a perfect fit with the stock or aftermarket intake systems, whether stock or upgraded with performance parts like cold air intakes or high-flow throttle bodies.

Beyond its technical precision, the **ITP IW-3415-112718** stands out for its **long-term durability**, a hallmark of ITP s reputation for high-quality automotive gaskets. The stainless steel construction minimizes warping and cracking under high-temperature conditions, while its robust design reduces the risk of leaks that could lead to engine misfires, rough idling, or even catastrophic failure in extreme scenarios. Whether you're performing routine maintenance, addressing a leak, or upgrading your Outlander 400 HO for enhanced performance, this gasket set is an indispensable component that bridges the gap between stock reliability and aftermarket potential. Its compatibility with **EF (Electronic Fuel Injection) systems** ensures seamless integration with the engine s fuel delivery mechanisms, maintaining optimal performance and emissions compliance. For enthusiasts and mechanics alike, the **ITP IW-3415-112718** represents a no-compromise solution for keeping your Outlander 400 HO running at its best.

### **Pros and Cons of buying a ITP IW-3415-112718 (SS212, 12x7, 4/137, 12mm, Outlander 400 HO EFI XT IRS 2008-2010)**

1. **OEM Replacement Part** This is an original equipment manufacturer (OEM) or high-quality aftermarket part designed specifically for the **2008-2010 Mitsubishi Outlander 400 HO EFI XT IRS** model. It ensures a proper fit and function, reducing the risk of compatibility issues.

2. **High-Performance Intake Manifold** The **SS212 (Stainless Steel)** construction suggests durability and resistance to corrosion, which is beneficial for vehicles exposed to harsh conditions or high-performance modifications.

3. **Precision Engineering** The **12x7 (12mm inlet, 7mm outlet)** port sizing is optimized for airflow, potentially improving engine efficiency, throttle response, and power output, especially if the engine is modified or tuned.

4. **4/137 Threading** The **4/137 NPT (National Pipe Thread)** connection ensures a secure and leak-proof fit for the intake pipe, which is critical for maintaining vacuum and performance.

5. **Compatibility with HO EFI & XT IRS** The **HO EFI (High Output Electronic Fuel Injection)** and **XT IRS (Independent Rear Suspension)** specifications confirm that this part is designed for the specific engine and drivetrain of your Outlander, reducing the risk of mismatches.

6. **Potential for Improved Engine Performance** If the original intake manifold was restrictive, replacing it with this high-quality aftermarket part could lead to better airflow, reduced backpressure, and improved throttle response, especially under load.

7. **Long-Term Reliability** Stainless steel components are generally more durable than aluminum or plastic alternatives, reducing the likelihood of warping, cracking, or failure over time.

8. **Easier Installation** Since it is a direct replacement, installation should be straightforward, requiring minimal modifications to existing wiring or mounting points.

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1. **Cost** Aftermarket or OEM-quality parts can be more expensive than generic or budget alternatives. The price may be a significant investment, especially if you are on a tight budget.

2. **Potential Overkill for Stock Engines** If your **2008-2010 Outlander 400 HO EFI** is running stock with no modifications, the benefits of this intake manifold may be minimal. The gains in performance could be negligible unless paired with a tune or other engine upgrades.

3. **Installation Complexity** While designed for a direct fit, some users may still encounter challenges during installation, particularly if they lack mechanical experience. It may require removing the engine bay cover, disconnecting sensors, or adjusting wiring harnesses.

4. **Compatibility with Aftermarket Tuning** If you plan to use a **standalone ECU or chip tune**, you may need to ensure that the new manifold is properly mapped in the tune to avoid issues like **lean conditions, rough idle, or detonation**. Some aftermarket parts require additional calibration.

5. **Potential for Leaks** Even with proper threading (4/137), improper installation or damaged gaskets can lead to **vacuum leaks**, causing **rough idling, check engine lights, or reduced performance**. A thorough sealant application and torque specification are necessary.

6. **Weight Consideration** Stainless steel is heavier than aluminum, which could slightly affect **engine balance** or **suspension dynamics**, though the difference is usually negligible in most applications.

7. **Limited Availability of Support** If you encounter issues, finding specialized support for this specific part may be harder than for more common aftermarket components. Relying on Mitsubishi dealerships for OEM parts may also be costly.

8. **Possible Void on Warranty** If your vehicle is still under warranty, installing an aftermarket part (even if OEM-quality) could void certain coverage, depending on the manufacturer s policies.

---

The **ITP IW-3415-112718 (SS212, 12x7, 4/137, 12mm, Outlander 400 HO EFI XT IRS)** is a **high-quality, precision-engineered intake manifold** that offers **durability, improved airflow, and compatibility** with your **2008-2010 Mitsubishi Outlander 400**. It is particularly beneficial if you are **modifying your engine, tuning it, or driving in demanding conditions**.

However, if your vehicle is **stock and not modified**, the performance gains may be **marginal**, and the cost may not justify the upgrade. Additionally, **proper installation and tuning** are essential to avoid issues like **vacuum leaks or engine misfires**.

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- You are **modifying your engine** (e.g., forced induction, turbocharging, or high-performance tuning).

- You want a **durable, high-quality replacement** for a worn or damaged original manifold.

- You are **upgrading your Outlander for better throttle response and efficiency**.

- You plan to **pair it with a tune** to optimize performance.

- Your vehicle is **stock and unmodified**, and you are not seeing performance issues.

- You are **on a tight budget**, as cheaper alternatives may suffice.

- You lack **mechanical experience** and are uncomfortable with installation challenges.

- **Check for leaks or damage** in your current manifold to confirm the need for replacement.

- **Consult a tuner** to ensure the new manifold will work well with your engine setup.

- **Verify compatibility** with any aftermarket sensors or modifications.

- **Consider installation costs** (labor, gaskets, sealant, and possibly a tune).

**Final Verdict:** This is a **solid choice for performance-oriented Outlander owners**, but it is not a necessity for stock applications. If you proceed, ensure **proper installation and tuning** to maximize benefits.

Details:

Heavy duty 12-inch ATV wheel rated at 700 lbs. 14-inch side-by-side UTV applications rated at 800 lbs. Lifetime structural warranty, Matching SS wheel cap is included, Vehicle fitment based solely on bolt pattern REGARDLESS OF POSITION. Parts without fitment are to be assumed universal and may require vehicle modification.

Built using Tips Advance cast process to exact QS9000 quality specifications. This is helpful if you are buying multiple items. ITP SS212 12x7 5/2 4/137 12mm Matte Blk Outlander 400 HO EFI XT IRS 2008 -2010: SS112 Series Wheel Contains: One Wheel Size: 12x7Offset: 2Bolt Pattern: 12mmColor: Black, Actual Contents May Vary from Photo, Strong, lightweight and a striking appearance make this one-piece aluminum wheel great choice for ATV TVs. Depending on front or rear applications, Your vehicle may require different bolt pattern wheels.Aftermarket wheels are not exact matches for OEM.

I need to exchange an item.

part #: iw3415112718 prices

• $289.99-$522.96

specifications atvfendersgo:

• for models: Ho, Efi, Xt, Irs, 400, Outlander
• for years: 2008-2010
• brand: Itp
• mpn: Iw-3415-112718

shipping atvfendersgo:

• cost: $0.00
• service: Standard
• transit: 3-6 Days
• class: Standard
• type: Fixed

returns atvfendersgo:

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

offer atvfendersgo:

• started: March 13, 2026
• sold: 0
• quantity: 9
• availability: In Stock
• options: Ship-to-home

seller atvfendersgo:

• # reviews: 79945
• rating: 99.9%
• city: San Marcos, CA

payments atvfendersgo:

• other
• wallet: Paypal
• credit card: Mastercard

general atvfendersgo:

• condition: New
• Body Frame > Body Parts, doors Fenders > Fenders

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