MBRP 5840-M375521-80 Performance Exhaust Cat

( Brand: Mbrp ), ( Manufacturer Part Number: 5840-M375521-80 ), ( Part Type: Exhaust )

Review MBRP Series Performance Exhaust Arctic Cat Le fits TRAIL MOUNTAIN 800 2002

The **MBRP 5840-M375521-80 Trail Performance Exhaust** is a meticulously engineered aftermarket upgrade designed specifically for the **2002 Arctic Cat Mountain 800 LE**, delivering a harmonious blend of enhanced performance, refined aesthetics, and uncompromising durability. Crafted from high-grade **409 stainless steel**, this exhaust system is built to withstand the rigors of off-road adventures, from rugged trails to demanding backcountry terrain, ensuring longevity even under the most extreme conditions. The **dual-wall construction** not only provides superior corrosion resistance but also minimizes heat transfer, protecting surrounding components and improving overall efficiency. At the heart of this exhaust lies a **high-flow, precision-machined muffler**, engineered to optimize exhaust flow while maintaining a balanced sound profile offering a deep, resonant growl that turns heads without sacrificing the machine s original character.

The **M375521-80 model** features a **direct-fit design**, eliminating the need for modifications to the stock exhaust system, making installation straightforward for both seasoned mechanics and DIY enthusiasts. The **slip-on style** ensures a clean, factory-like appearance while the **heat-shielded mounting brackets** guarantee a secure, vibration-dampened connection, reducing fatigue and ensuring optimal performance under heavy loads. This exhaust system is not just an upgrade it s a performance catalyst, designed to improve throttle response, horsepower, and torque by reducing backpressure and allowing the engine to breathe more freely. Whether you re tackling steep climbs, navigating rocky descents, or pushing the limits on long-distance trails, the **MBRP Trail Performance Exhaust** enhances the Mountain 800 LE s inherent power delivery, making every ride more exhilarating.

Beyond its technical prowess, the **MBRP 5840-M375521-80** is a statement piece, elevating the visual appeal of your Arctic Cat with its **sleek, aggressive styling**. The **polished stainless steel finish** reflects light dynamically, adding a touch of sporty sophistication to the bike s overall look, while the **precision-welded construction** ensures a premium, no-compromise build quality. Whether you re cruising through the woods or competing in off-road events, this exhaust system transforms your Mountain 800 LE into a more dynamic and commanding presence on the trail. Backed by **MBRP s reputation for innovation and reliability**, this exhaust is a must-have for riders who demand both performance and precision in every ride.

### **Pros and Cons of buying a MBRP 5840-M375521-80 Trail Performance Exhaust for a 2002 Arctic Cat Mountain 800 LE**

1. **Improved Sound and Tone** The Trail Performance exhaust is designed to enhance the engine s exhaust note, giving it a deeper, more aggressive sound while maintaining a level of control that fits off-road use. This is often preferred by riders who want a more engaging exhaust tone without excessive noise.

2. **Better Flow and Horsepower** The exhaust system is optimized for improved airflow, which can lead to slight increases in horsepower and torque, especially in applications where stock exhausts are restrictive. This can translate to better throttle response and acceleration, particularly in demanding terrain.

3. **Durability and Quality** MBRP (Mountain Bike Racing Products) is known for producing high-quality aftermarket exhaust systems that are built to withstand the rigors of off-road use. The materials and construction are typically robust, reducing the risk of premature failure from impacts or debris.

4. **Compatibility with Stock Components** The system is designed specifically for the Arctic Cat Mountain 800 LE, meaning it should integrate well with the stock engine and frame without requiring major modifications. This includes proper mounting points and compatibility with the bike s exhaust headers.

5. **Lightweight Design** Compared to some heavy aftermarket exhausts, the Trail Performance model is often designed to be relatively lightweight, which can help with handling and maneuverability, especially on technical trails.

6. **Enhanced Exhaust Scavenging** The exhaust system is tuned to improve scavenging, which can help the engine breathe more efficiently, particularly at higher RPMs. This can contribute to smoother power delivery and reduced backpressure.

7. **Aesthetic Appeal** The exhaust often features a sleek, modern design that can improve the bike s appearance. The Trail Performance line typically has a polished, aggressive look that many riders appreciate.

8. **Warranty and Support** MBRP offers warranties on their products, and their customer service is generally reliable for aftermarket parts. This provides some peace of mind in case of manufacturing defects or issues with installation.

---

1. **Noise Levels** While the Trail Performance exhaust is quieter than some high-flow or sport exhausts, it may still produce more noise than the stock system. Depending on local regulations, this could lead to potential fines or complaints from neighbors, especially if you ride in residential areas. Always check local noise ordinances before installing.

2. **Cost** Aftermarket exhaust systems are typically more expensive than OEM parts. The MBRP Trail Performance exhaust will likely cost significantly more than the stock exhaust, which may not be justified for riders who prioritize cost savings over performance and sound.

3. **Potential for Increased Heat** Improved airflow can sometimes lead to higher exhaust temperatures, which may affect nearby components (e.g., muffler mounts, heat shields, or even the bike s frame). Proper heat shielding may be required to prevent damage to the bike s undercarriage or rider gear.

4. **Installation Complexity** While the system is designed for the Mountain 800 LE, installation may require some mechanical skill, especially if you re not familiar with exhaust system modifications. Improper installation can lead to leaks, rattles, or even damage to the exhaust headers or frame.

5. **Resale Value Impact** Aftermarket exhausts can sometimes deter potential buyers who prefer stock or specific aftermarket brands. If you plan to sell the bike in the future, the modified exhaust may reduce its resale value compared to a stock or less aggressive aftermarket system.

6. **Potential for Power Band Shifts** While the exhaust may improve low-to-mid-range power, some riders report that the power band shifts slightly, which could affect how the bike feels in different riding conditions. This is subjective and depends on individual preferences.

7. **Limited Customization** Unlike some aftermarket exhausts that offer multiple tuning options (e.g., different muffler sizes or backpressure settings), the Trail Performance exhaust is a fixed system. If you later want to experiment with different sound or performance characteristics, you may need to invest in additional parts.

8. **Potential for Vibration** Some riders report increased vibration through the handlebars or seat, particularly at higher speeds. This can be mitigated with proper mounting and vibration dampening, but it s something to consider if you re sensitive to ride comfort.

---

The MBRP 5840-M375521-80 Trail Performance exhaust is a solid choice for riders of the 2002 Arctic Cat Mountain 800 LE who want to enhance their bike s sound, performance, and appearance without going for an overly aggressive or noisy system. It strikes a balance between stock functionality and aftermarket upgrades, offering noticeable improvements in exhaust tone, airflow, and durability.

- If **sound, slight performance gains, and aesthetics** are your main goals and you re willing to pay for a quality aftermarket part, this exhaust is a worthwhile investment.

- If **cost, noise restrictions, or resale value** are concerns, you may want to consider alternatives like a stock exhaust with a simple muffler upgrade or a quieter aftermarket system.

For most riders who want a **subtle but meaningful upgrade** that doesn t compromise the bike s off-road capabilities, this exhaust is a strong recommendation. However, those who prioritize **maximum power or a sportier sound** might explore other options like a full sport exhaust or a higher-flow system.

- You want a noticeable improvement in exhaust tone and performance without excessive noise.

- You re comfortable with the cost and potential minor trade-offs (e.g., slightly increased heat or vibration).

- You value durability and a well-built aftermarket part.

- You re on a tight budget and prefer to save money for other modifications.

- Noise regulations in your area are strict, and you want to avoid fines.

- You prioritize resale value and prefer to keep the bike closer to stock.

For most riders, this exhaust is a **good mid-tier upgrade** that enhances the Mountain 800 LE s character without overhauling its off-road capabilities. Always ensure proper installation and consider adding heat shielding if needed.

Details:

This is helpful if you are buying multiple items. MBRP Trail Series Performance Exhaust for 2002 Arctic Cat Mountain 800 LE 144: 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. I need to exchange an item. 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.

Brand: MBRP, model Number: 5840-M375521-80. Parts without fitment are to be assumed universal and may require vehicle modification.

part #: 5840m37552180 price

• $364.99

specifications exhaustsnowmobilee:

• for models: 800, Trail, Mountain
• for makes: Arctic, Arctic-cat
• for years: 2002
• brand: Mbrp
• mpn: 5840-m375521-80
• part type: Exhaust

returns exhaustsnowmobilee:

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

general exhaustsnowmobilee:

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

seller exhaustsnowmobilee:

• city: Boise, ID
• # reviews: 78557
• rating: 99.8%

offer exhaustsnowmobilee:

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

shipping exhaustsnowmobilee:

• class: Standard
• transit: 2-5 Days
• service: Standard
• type: Fixed
• cost: $0.00

payments exhaustsnowmobilee:

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

Mbrp 5840-M375521-80 Is Similar To:

• 00000000 Mbrpperformance Exhaust Mbrp Performance 882963116833 (38.4% similar) Very nice used condition. I will get pics up soon was on a 2007 Yamaha hazer low miles...(December 6th, 2017)
• 1026012 Mbrp Performance Exhaust Race (42.9% similar) 95 size: 241-90102TO 241-90103T 241-90200T 241-90200R 241-90201T 241-90301T 241-90301R Mbrp performance EXHAUST1 year warranty better throttle response proven hp gains on moonlighter weight easy install stainless steel body great sound direct fit to stock exhaust trail SERIES6 diameter muffler body ...(April 21st, 2017)
• 1030113 Mbrp Performance Exhaust Standard Series (43.8% similar) Help buy shipping-globally...(February 13th, 2017)
• 103x206 Mbrp Performance Exhaust Standard (43.1% similar) ...(March 29th, 2017)
• 1040012 Mbrp Performance Exhaust Race (42.9% similar) Photos are for illustration purposes only. Buyer should verify part fitment with manufacturer...(November 23rd, 2017)
• 1050515 Mbrp Race Series Performance Exhaust (49.6% similar) 7AM-8PM Mon Fri, 7AM-6PM sat sun. Diameter muffler body loudest version of canister very light weight the air resources board Arab does not permit use aftermarket emission-related parts that alter fuel ratio an emission-controlled vehicle. Specs color - primary silver canister muffler type silencer ...(December 21st, 2016)
• 1066215 Mbrpperformance Exhaust Mbrp Performance (40.9% similar) Its stainless steel casing is hard-wearing and always looks great while the laser-cut brackets ensure a perfect fit easy installation. Manufacturer: Mbrp inc. Better throttle response 2 hp GAIN15 lb weight savings easy install stainless steel body great Mbrp sound direct fit to stock EXHAUST4 ...(August 21st, 2017)
• 1070217 Mbrpperformance Exhaust Mbrp Performance 882963116703 (40% similar) Maximum exhaust flow is achieved through Mbrp exclusive sound attenuation design. Brand new Mbrp performance race series snowmobile muffler for ski-door stainless product features: this canister was built racing. Its stainless steel casing is hard-wearing and always looks great while the laser-cut ...(October 27th, 2017)
• 1095306 Mbrp Performance Exhaust Trail (44.1% similar) ...(March 23rd, 2017)
• 1097526 Mbrp Performance Exhaust Trail (44.1% similar) ...(March 22nd, 2017)
• 1110415 Mbrp Performance Exhaust Race (42.9% similar) As such accept back of any or hassles. Id: mfg price: 299. Never ship an item back in the manufacturers packaging, always use over-box. Mbrp performance exhaust race silencer mfg: mfg...(September 22nd, 2017)