MBRP MN-58S4 Standard Performance Exhaust Silencer Cat MN/58S4

( Brand: Mbrp ), ( Manufacturer Part Number: MN/58S4 ), ( Compatible Year: 2009 2008 2007 ), ( Compatible Make: Arctic Cat ), ( Compatible Model: M8 Efi 153 ), ( Bundle Description: 1 Pc Genuine Mbrp Standard Series Performance Exhaust Silencer ), ( Type: Standard Series Performance Exhaust Silencer ), ( Core Charge: Free No Core Charge ), ( Fitment Type: Direct Replacement )

Review MBRP Mn/58s4 Standard Series Performance Exhaust Silencer Arctic Cat Xl fits 2007–2009

The **MBRP MN/58S4 Standard Performance Exhaust Silencer** is a meticulously engineered aftermarket component designed to enhance both the sound and performance of the 2007 2009 Arctic Cat XL series, offering a seamless blend of functionality and style. Crafted from high-quality **304 stainless steel**, this silencer is built to withstand the rigors of off-road use, ensuring durability and resistance to corrosion, rust, and the harshest environmental conditions. The **MN/58S4** features a **slip-on design** with a **3-inch diameter inlet and outlet**, allowing for a straightforward installation that maintains the stock exhaust system s integrity while optimizing airflow for improved throttle response and power delivery. Its **smooth, tapered internal baffling system** is engineered to minimize backpressure without sacrificing sound quality, delivering a deep, resonant growl that accentuates the XL s aggressive yet refined exhaust note. The silencer s **precision-machined construction** ensures a snug fit with the stock exhaust headers, reducing the risk of leaks or vibrations that could compromise performance or ride quality. Whether you re tackling rocky trails, muddy terrain, or open backroads, this silencer not only elevates the XL s auditory presence but also contributes to a more efficient exhaust system, helping to expel combustion gases more effectively for better engine cooling and overall performance. Backed by MBRP s reputation for quality and reliability, the **MN/58S4** is an ideal choice for enthusiasts seeking a balance between stock-like refinement and noticeable performance gains without the bulk or complexity of more aggressive aftermarket systems.

### Pros and Cons of buying a MBRP MN/58S4 Standard Performance Exhaust Silencer for a 2007 2009 Arctic Cat XL

1. **Improved Sound Quality** The silencer is designed to reduce the harsh, metallic tone of stock exhausts while maintaining a deeper, more resonant growl. This can make the engine sound more refined and engaging, especially at higher RPMs.

2. **Enhanced Flow and Horsepower** The internal design of the MN/58S4 is optimized for better exhaust gas flow, which can lead to slight improvements in throttle response and horsepower. Many users report a noticeable difference in power delivery, particularly in the mid-to-high RPM range.

3. **Durability and Quality Construction** MBRP (Muddy Bottom Racing Products) is known for using high-quality materials, including stainless steel construction, which resists corrosion and withstands the harsh conditions of off-road use. The silencer is built to last, reducing the risk of premature failure.

4. **Compatibility and Easy Installation** The MN/58S4 is specifically designed for the 2007 2009 Arctic Cat XL, ensuring a proper fit without the need for extensive modifications. The installation process is relatively straightforward, requiring only basic tools.

5. **Aesthetic Appeal** The sleek, polished finish of the MBRP silencer improves the overall look of the bike, giving it a more aggressive and sporty appearance compared to the stock exhaust.

6. **Reduced Backpressure** Unlike some aftermarket exhausts that restrict flow, the MN/58S4 is engineered to minimize backpressure while still meeting emissions standards (where applicable). This helps maintain engine efficiency without sacrificing performance.

7. **Positive User Feedback** Many Arctic Cat XL owners have reported satisfaction with the MN/58S4, praising its ability to deliver a balanced combination of sound, performance, and durability. Online forums and reviews often highlight its reliability compared to other brands.

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1. **Cost** The MN/58S4 is more expensive than stock exhaust systems, and while it offers noticeable improvements, the price may be a deterrent for budget-conscious buyers. Prices can vary depending on the retailer, but it is generally a mid-to-high-range aftermarket exhaust.

2. **Sound May Not Suit All Preferences** While the silencer reduces harshness, some riders prefer a louder, more aggressive exhaust note. If you enjoy a raw, unmuffled sound, the MN/58S4 may feel too tame. Conversely, if you dislike the stock exhaust s sharp tone, this could be a significant improvement.

3. **Weight** Aftermarket exhausts can sometimes be heavier than stock systems due to additional materials or thicker construction. While the MN/58S4 is not excessively heavy, some riders may notice a slight difference in handling dynamics, particularly in terms of weight distribution.

4. **Installation Complexity** Although the MN/58S4 is designed for easy installation, it still requires careful handling of the exhaust system, including potential adjustments to mounting brackets or gaskets. Those unfamiliar with exhaust work may need to seek professional help, adding to the cost.

5. **Potential for Aftermarket Parts Needed** Depending on the condition of your stock exhaust system, you may need to replace or modify certain components (e.g., clamps, hangers, or gaskets) to ensure a proper fit. This can add to the overall expense.

6. **Warranty Considerations** Installing an aftermarket exhaust may void your Arctic Cat s factory warranty, especially if it involves modifications to the stock system. Always check the warranty terms before proceeding.

7. **Limited Customization** If you re looking for extreme performance gains or a drastically different sound, the MN/58S4 offers a moderate upgrade rather than a full custom exhaust solution. For those seeking aggressive tuning or racing-level exhausts, other brands or custom builds may be necessary.

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The MBRP MN/58S4 Standard Performance Exhaust Silencer is a well-regarded upgrade for the 2007 2009 Arctic Cat XL, offering a balanced combination of improved sound, better flow, and durability. It is particularly well-suited for riders who want a refined yet engaging exhaust note without sacrificing performance or reliability. The quality construction and positive user feedback make it a strong choice for those willing to invest in a quality aftermarket part.

However, the higher cost, potential installation challenges, and the possibility of not meeting every rider s sound preference mean it may not be the best fit for everyone. If you prioritize a subtle yet noticeable improvement in exhaust tone and performance, the MN/58S4 is an excellent option. If you prefer a louder, more aggressive sound or are on a tight budget, you may want to explore alternative exhaust systems or consider other brands.

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For the 2007 2009 Arctic Cat XL, the **MBRP MN/58S4 is highly recommended** if you are looking for a reliable, high-quality exhaust upgrade that enhances both sound and performance. It strikes a good balance between refinement and power, making it ideal for daily riding, trail use, or light off-road adventures.

If you are unsure about installation or prefer a more aggressive sound, consider consulting with a local ATV mechanic or exhaust specialist to ensure the best fit for your riding style and needs. Additionally, if budget is a concern, you might explore slightly older or used versions of the MN/58S4, as they often retain their value and performance.

Ultimately, the MBRP MN/58S4 is a smart investment for those who want to upgrade their Arctic Cat XL s exhaust system without overcomplicating the process.

Details:

MBRP Standard Series Performance Exhaust Silencer for 2007 - 2009 Arctic Cat xl: Status: In Stock.

part #: mn58s4 price

• $354.13

specifications exhaustsnowmobilee:

• for makes: Arctic, Arctic-cat
• for years: 2007-2009
• brand: Mbrp
• mpn: Mn/58s4
• compatible year: 2009 2008 2007
• compatible make: Arctic Cat
• compatible model: M8 Efi 153
• bundle description: 1 Pc Genuine Mbrp Standard Series Performance Exhaust Silencer
• type: Standard Series Performance Exhaust Silencer
• core charge: Free No Core Charge
• fitment type: Direct Replacement

offer exhaustsnowmobilee:

• options: Ship-to-home
• quantity: 1
• sold: 0
• availability: In Stock
• started: March 13, 2026

shipping exhaustsnowmobilee:

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

payments exhaustsnowmobilee:

• wallet: Paypal
• other
• credit card: Mastercard

returns exhaustsnowmobilee:

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

general exhaustsnowmobilee:

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

seller exhaustsnowmobilee:

• rating: 98.9%
• city: Multiple warehouses
• # reviews: 18805

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