HONDA 18231-302-000 Exhaust Flanges

( Manufacturer Part Number: 18231-302-000 ), ( Part Type: Exhaust Flange ), ( Country Of Origin: Japan )

Review HONDA 175 Exhaust Flanges fits SCRAMBLER CL175 K6 CL 1971

The **Honda 18231-302-000 1971 CL175/K6 Scrambler Exhaust Flanges** are a meticulously crafted, high-quality replacement part designed specifically for Honda s iconic 1971 CL175/K6 Scrambler, a motorcycle celebrated for its rugged off-road heritage and timeless appeal. These exhaust flanges serve as the critical interface between the motorcycle s original exhaust system and the rest of the engine s power delivery components, ensuring a secure, leak-free connection that maintains optimal performance and reliability. Engineered from durable, heat-resistant materials, these flanges are precision-machined to match the exact dimensions and threading specifications of the original Honda components, guaranteeing a seamless fit that prevents exhaust gas leaks and minimizes the risk of premature wear or failure. Whether you're restoring a classic CL175/K6 to its original glory or customizing your bike with aftermarket exhausts, these flanges provide the structural integrity and precision necessary to uphold the motorcycle s performance while preserving its vintage charm. Their robust construction also helps reduce the strain on the exhaust system, contributing to a smoother ride and enhanced durability over time. For enthusiasts seeking authenticity and performance, these flanges are an essential upgrade, bridging the gap between modern modifications and the timeless engineering of Honda s legendary scrambler.

### **Pros and Cons of buying a Honda 1971 CL175 Scrambler Exhaust Flanges (Part #18231-302-000)**

1. **Authentic Restoration** These flanges are an original or high-quality reproduction part, ensuring an accurate fit for vintage Honda CL175 restoration projects. Using genuine or period-correct parts preserves the bike s authenticity, which is valuable for collectors and enthusiasts.

2. **Improved Aesthetics** The CL175 was known for its distinctive, rugged styling, and the exhaust system plays a key role in that look. Replacing worn or damaged flanges restores the bike s original appearance, making it more visually appealing.

3. **Compatibility with Aftermarket Mods** If you plan to modify the exhaust system (e.g., adding a header, muffler, or slip-on), these flanges provide a solid foundation. They are designed to work with the bike s stock exhaust mounting points, ensuring a secure and functional setup.

4. **Durability** Honda s early exhaust components were built to last, and these flanges are no exception. High-quality reproduction parts are often made from heat-treated steel, resisting warping and corrosion better than aftermarket knockoffs.

5. **Easier Maintenance** Worn or cracked flanges can lead to exhaust leaks, which not only affect performance but also pose a safety risk. Replacing them prevents potential issues with the exhaust system, such as carbon buildup or muffler detachment.

6. **Increased Resale Value** For a restored or well-maintained CL175, having original or period-correct parts can justify a higher asking price in the vintage motorcycle market. Buyers often pay a premium for bikes with complete or near-complete original components.

7. **Easier Installation** Since these flanges are designed specifically for the CL175, they should fit without extensive modifications. This makes the job simpler for DIYers compared to using universal or mismatched parts.

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1. **Limited Availability & Lead Times** Original Honda parts for a 1971 CL175 are rare, and even high-quality reproductions may not be widely stocked. You might need to order from specialty vendors, which could result in longer wait times.

2. **Cost Compared to Aftermarket Alternatives** Genuine or reproduction flanges can be more expensive than generic aftermarket parts. If budget is a concern, cheaper alternatives may be tempting, though they might not fit as well or last as long.

3. **Potential for Counterfeit Parts** The vintage motorcycle market has seen an increase in counterfeit or low-quality reproduction parts. It s crucial to verify the seller s reputation and the authenticity of the part before purchasing to avoid receiving substandard flanges.

4. **Compatibility with Modified Exhausts** If you ve already modified the exhaust system (e.g., with a different muffler or header), these flanges may not align perfectly. You might need to adapt them or accept slight misalignment, which could affect performance or appearance.

5. **Rust & Wear in Original Parts** If you re sourcing original flanges from a salvage yard, they may already be rusted or worn. While this can be sanded or machined, it adds extra labor and cost to the restoration process.

6. **Skill Required for Installation** While the flanges themselves are straightforward, properly welding or securing them to the exhaust system requires basic mechanical skills. Poor installation can lead to leaks or structural weaknesses.

7. **Market Saturation for Common Parts** Since the CL175 is a classic bike, some parts (like flanges) are more widely available than others. However, finding a *specific* set in good condition may still be challenging, especially if you need a complete exhaust system.

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Buying the **Honda 1971 CL175 Exhaust Flanges (18231-302-000)** is a **strong choice** if your priority is **authenticity, durability, and long-term reliability** for your restoration project. These parts are ideal for enthusiasts who value originality and plan to keep the bike in pristine condition. The minor drawbacks such as cost, availability, and potential counterfeit risks are outweighed by the benefits for most serious restorers.

However, if you re on a tight budget or prioritize performance over aesthetics (e.g., adding a modern exhaust), aftermarket alternatives *might* be a more practical option though they may not fit as neatly or last as long.

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- **If restoring for authenticity:** Purchase from a **reputable vintage motorcycle parts dealer** (e.g., **Classic Honda Parts, Cycle World, or eBay sellers with verified feedback**). Verify the part s authenticity and condition before buying.

- **If modifying the exhaust:** Ensure the flanges will work with your planned modifications. If in doubt, consult a mechanic or exhaust specialist.

- **If budget is tight:** Consider **aftermarket flanges from trusted brands** (e.g., **B&M, Akrapovic, or Speed Twins parts**) that offer a balance of quality and affordability, though they may not be exact replicas.

- **For salvage parts:** Inspect original flanges closely for rust or damage. If purchasing used, test-fit them before committing to avoid wasted money.

**Final Verdict:** For most CL175 restorers, these flanges are a **worthwhile investment** they enhance the bike s value, appearance, and long-term reliability. Just ensure you source them from a reliable vendor to avoid disappointment.

Details:

Ryan- Got these off my old 1971 Cl 175 but I'm sure they'll fit other years and model's of the platform.

part #: 18231302000 prices

• $19.50-$117.18

specifications cyclevintagee:

• for models: Cl175, K6, Cl, Scrambler
• for makes: Honda
• for years: 1971
• mpn: 18231-302-000
• part type: Exhaust Flange
• country of origin: Japan

general cyclevintagee:

• Parts Accessories > Motorcycle Scooter Parts Accessories > Other Motorcycle Scooter Parts Accessories
• condition: Used

seller cyclevintagee:

• rating: 100.0%
• # reviews: 326
• city: Shelton, Washington

payments cyclevintagee:

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

returns cyclevintagee:

• policy: No Returns

shipping cyclevintagee:

• service: USPS Ground Advantage
• transit: 4-10 Days
• cost: $6.57
• class: Standard
• carrier: USPS
• type: Fixed

offer cyclevintagee:

• best offers: True
• started: May 4, 2026
• options: Ship-to-home
• sold: 0
• quantity: 1
• availability: In Stock

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