MBRP 5017-M373875-67 Performance Exhaust Cat

( Brand: Mbrp ), ( Manufacturer Part Number: 5017-M373875-67 ), ( Part Type: Exhaust )

Review MBRP Series Performance Exhaust Arctic Cat fits TRAIL MOUNTAIN 900 2003

The **MBRP 5017-M373875-67 Trail Performance Exhaust** is a meticulously engineered aftermarket upgrade designed specifically for the **2003 Arctic Cat Mountain 900**, delivering a harmonious blend of enhanced performance, refined sound, and uncompromising durability. Crafted from high-quality **409 stainless steel**, this exhaust system is built to withstand the rigors of off-road adventures, from rugged trails to demanding terrain, ensuring long-lasting reliability without the risk of corrosion or premature wear. The **dual-wall construction** not only improves thermal efficiency but also reduces heat transfer to the surrounding components, protecting critical engine parts while maintaining optimal exhaust gas flow. At its core, this exhaust features a **high-flow design** with precision-machined components, including a **catalytic converter bypass** that maximizes horsepower and torque by minimizing restrictive backpressure, allowing the Mountain 900 to unleash its full potential with improved throttle response and acceleration. The **sleek, aggressive styling** of the exhaust system, complete with a **black-powder-coated finish**, not only enhances the aesthetic appeal of the Arctic Cat but also reinforces its rugged, trail-ready appearance. Whether navigating steep climbs, tight switchbacks, or rough descents, this exhaust system ensures a **smoother, more responsive ride** while producing a deep, resonant growl that turns heads on the trail. Backed by **MBRP s reputation for quality and performance**, this exhaust is a must-have for enthusiasts seeking to elevate their Arctic Cat Mountain 900 s capabilities without sacrificing the integrity of the original build.

### **Pros and Cons of buying a MBRP 5017-M373875-67 Trail Performance Exhaust for a 2003 Arctic Cat Mountain 900**

1. **Improved Sound** The exhaust is designed to enhance the engine s tone, giving it a deeper, more aggressive growl that appeals to enthusiasts who enjoy a louder, more distinctive sound.

2. **Better Flow and Horsepower** The Trail Performance line is engineered to optimize exhaust gas flow, which can lead to slight improvements in throttle response and horsepower, especially in off-road conditions where airflow is critical.

3. **Durability** MBRP (Mountain Bike Racing Products) is known for manufacturing high-quality exhaust systems that are built to withstand the rigors of off-road use, including rocks, mud, and debris.

4. **Compatibility** This specific part is designed for the 2003 Arctic Cat Mountain 900, ensuring a proper fit without modifications, which reduces the risk of leaks or installation issues.

5. **Aesthetic Appeal** The exhaust has a polished, aggressive finish that can improve the overall look of the bike, making it stand out on the trail.

6. **Aftermarket Support** MBRP is a reputable brand with a strong aftermarket presence, meaning you ll have access to customer support, replacement parts, and potential upgrades if needed.

7. **Potential for Tuning** If you plan to tune your engine in the future, a high-flow exhaust like this can better accommodate modifications, allowing for better performance gains with a tune.

1. **Cost** Aftermarket exhaust systems are typically more expensive than OEM (original equipment manufacturer) parts. This exhaust will likely cost significantly more than Arctic Cat s stock exhaust, which may not be justified if you re not pursuing performance gains.

2. **Noise Regulations** Some trails, parks, or regions have strict noise ordinances. A louder exhaust may violate these rules, leading to fines or restrictions on where you can ride.

3. **Weight** While not a major concern for most riders, aftermarket exhausts can sometimes be slightly heavier than stock systems, which may have a negligible impact on handling but could matter in extreme off-road conditions.

4. **Installation Complexity** If you re not experienced with exhaust installation, fitting this part may require careful attention to sealing, mounting, and alignment to avoid leaks or rattles. Professional installation is recommended.

5. **Potential for Backfires** A high-flow exhaust can sometimes lead to minor backfires, especially if the engine is not properly tuned or if fuel delivery is inconsistent.

6. **Resale Impact** If you plan to sell the bike in the future, some buyers may prefer stock exhausts for simplicity and compliance with noise laws, potentially reducing the bike s resale value.

7. **Limited Performance Gains** While the exhaust may improve flow, the actual horsepower gains are often modest unless paired with other modifications (e.g., a tune, intake, or carburetor upgrade). Expect more noticeable improvements in sound than in raw power.

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### **Conclusion and Recommendation**

The **MBRP 5017-M373875-67 Trail Performance Exhaust** is a solid choice for owners of the 2003 Arctic Cat Mountain 900 who prioritize sound, aesthetics, and minor performance improvements. It is a well-built, durable part that fits seamlessly and can enhance the riding experience for those who enjoy a louder, more aggressive exhaust note.

- **If you value sound and aesthetics more than raw performance**, this exhaust is a worthwhile upgrade.

- **If you re tuning the engine or plan to make other modifications**, the exhaust will complement those changes better than stock.

- **If noise restrictions are a concern**, research local regulations before purchasing, as this exhaust will be significantly louder than stock.

- **If budget is a limiting factor**, weigh the cost against the benefits stock exhausts are cheaper and may suffice if you re not seeking performance gains.

Install the MBRP exhaust if you re comfortable with the added cost, noise, and potential installation effort, and if you genuinely enjoy the sound and minor performance benefits. For riders who prefer a quieter, more stock-like experience or are on a tight budget, the stock exhaust may be the better choice. If you do install it, consider having a professional handle the installation to ensure a leak-free and properly aligned system.

Details:

Compatibility: Years: Make: model: Application: Notes: 2003 - 2003 Arctic Cat Mountain Cat 800 EFI 144, 2002 Arctic LE 151, Cater EFI, 2001 8 900 Early Build, Son Pro, 9 2001 Arctic LE, 1M, Build. Parts without fitment are to be assumed universal and may require vehicle modification. This is helpful if you are buying multiple items. I need to exchange an item.

Brand: MBRP, model Number: 5017-M373875-67. MBRP Trail Series Performance Exhaust for 2003 Arctic Cat Mountain 900 Early Build: 2 Year warranty, Improved throttle response, Quick and simple installation, Huge weight savings, Made from 304 stainless, Uses stock springs hangers, Dino proven performance, Flo-bench tested back pressure.

part #: 5017m37387567 price

• $364.99

specifications exhaustsnowmobilee:

• for models: 900, Trail, Mountain
• for makes: Arctic, Arctic-cat
• for years: 2003
• brand: Mbrp
• mpn: 5017-m373875-67
• part type: Exhaust

offer exhaustsnowmobilee:

• availability: In Stock
• sold: 0
• quantity: 7
• started: February 26, 2026
• options: Ship-to-home

shipping exhaustsnowmobilee:

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

returns exhaustsnowmobilee:

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

general exhaustsnowmobilee:

• Parts Accessories > Snowmobile Parts > Exhaust
• condition: New

seller exhaustsnowmobilee:

• city: Boise, ID
• rating: 99.8%
• # reviews: 78541

payments exhaustsnowmobilee:

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

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