STARTING LINE PRODUCTS 09-8721-123 Nos Slp Exhaust Pipe Cat

( Brand: Starting Line Products ), ( Manufacturer Part Number: 09-8721-123 ), ( Part Type: Pipe Exhaust ), ( Country Of Origin: United States )

Review STARTING LINE PRODUCTS Nos Slp Exhaust Pipe Arctic Cat fits CROSSFIRE M8 800 2007–2009

The **Starting Line 09-8721-123 NOS Slip-On Exhaust Pipe** is a meticulously crafted, high-performance aftermarket component designed exclusively for Arctic Cat s **2007 2009 Crossfire M8 800** snowmobile models, offering a seamless upgrade for enthusiasts seeking enhanced exhaust flow, improved throttle response, and a refined sound signature. Engineered from **high-grade, cold-rolled stainless steel**, this slip-on exhaust pipe is built to withstand the harshest winter conditions while maintaining structural integrity and resistance to corrosion, ensuring longevity even in the most demanding off-piste environments. The **precision-machined design** features a **smooth, tapered inner bore** optimized for maximum exhaust velocity, reducing backpressure and allowing the **800cc E-TEC engine** to breathe more efficiently, resulting in noticeably quicker spool-up times and a more aggressive, sport-tuned exhaust note. Unlike generic aftermarket replacements, this exhaust pipe is **directly compatible** with the stock mounting points and gaskets, eliminating the need for modifications or additional hardware, making installation a straightforward process for even DIYers. The **sleek, low-profile construction** not only enhances the aesthetic appeal of the Crossfire M8 800 but also reduces wind resistance, contributing to improved handling and stability at high speeds. Whether you re carving deep powder, pushing the limits on groomed trails, or simply enjoying the pure thrill of a responsive, high-revving engine, this **new-old-stock (NOS) exhaust pipe** delivers a subtle yet noticeable performance boost, transforming your ride into a more dynamic and engaging experience. Ideal for both stock and lightly modified setups, it serves as an excellent starting point for those looking to fine-tune their Crossfire s exhaust system before exploring more aggressive upgrades like headers or mufflers. Built to meet or exceed OEM standards while offering the benefits of aftermarket innovation, the **Starting Line 09-8721-123** is a reliable choice for riders who demand both performance and durability in every turn.

### **Pros and Cons of buying a Starting Line 09-8721-123 SLP Exhaust Pipe for Arctic Cat 07-09 Crossfire M8 800**

1. **Direct Fitment** The exhaust pipe is specifically designed for the Arctic Cat 07-09 Crossfire M8 800, ensuring compatibility without modifications. This reduces the risk of installation issues or improper sealing.

2. **SLP (Sound Level Performance) Technology** The SLP designation suggests that this exhaust is engineered to meet or exceed emissions regulations while maintaining performance. This means it should pass required testing without requiring aftermarket tuning.

3. **Durability** Starting Line exhaust systems are generally built with high-quality materials, including stainless steel, which resists corrosion and wear over time. This can extend the lifespan of the exhaust compared to cheaper alternatives.

4. **Improved Sound and Performance** While not as aggressive as a full performance exhaust, an SLP system often provides a deeper, more resonant tone compared to the stock exhaust. It may also offer slight improvements in horsepower and torque due to better flow dynamics.

5. **Warranty and Support** Starting Line products typically come with manufacturer warranties, and the brand has a reputation for customer service. This can provide peace of mind in case of defects or installation problems.

6. **Aesthetic Appeal** The exhaust will likely have a cleaner, more polished look compared to the stock unit, enhancing the overall appearance of the vehicle.

7. **Compatibility with Aftermarket Upgrades** If you plan to add other performance parts (e.g., headers, turbocharger upgrades), this exhaust may serve as a solid foundation for future modifications.

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1. **Cost** Compared to the stock exhaust, this aftermarket unit will be more expensive. While it offers benefits, the price may be a significant investment if you're on a tight budget.

2. **Limited Performance Gains** Unlike a full performance exhaust (e.g., one with larger diameter tubing or free-flowing design), the SLP exhaust is optimized for emissions compliance and sound rather than maximum power. If your primary goal is raw performance, you may need to look elsewhere.

3. **Installation Complexity** While it s a direct fit, installing an exhaust system still requires mechanical skill, proper tools, and attention to detail (e.g., sealing gaskets, torque specifications). DIY installation can be challenging, and professional labor may be necessary, adding to the cost.

4. **Potential for Noise Complaints** Even though it s an SLP system, some users report that the exhaust tone is louder than stock, which could draw attention (especially in residential areas or noise-restricted zones). Check local regulations to ensure compliance.

5. **Weight** Aftermarket exhausts can sometimes be heavier than stock units due to additional materials or reinforcement. This may have a negligible impact on handling but is worth noting for those prioritizing lightweight modifications.

6. **Availability of Parts** If the exhaust fails or needs replacement, finding OEM or aftermarket parts specifically for this model may be easier than for some other brands, but it s still a risk compared to stock components.

7. **Potential for Emissions Issues** While SLP exhausts are designed to meet regulations, improper installation or modifications (e.g., adding a cat-back system) could void emissions compliance. Always ensure the system is installed correctly and tested if required.

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The Starting Line 09-8721-123 SLP exhaust pipe for the Arctic Cat 07-09 Crossfire M8 800 is a solid choice for riders who want a balance between performance, emissions compliance, and durability. It avoids the legal and practical pitfalls of non-compliant exhausts while offering noticeable improvements in sound and aesthetics. However, it is not a "high-performance" exhaust and may not deliver the same power gains as a full aftermarket system.

If your priorities are **legality, longevity, and a noticeable upgrade without extreme modifications**, this exhaust is a worthwhile investment. If you re seeking **maximum horsepower or a more aggressive sound**, you may need to explore other options (e.g., a full cat-back system or a performance exhaust with larger tubing).

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- **Buy it if:** You want a reliable, emissions-compliant exhaust that improves sound and appearance without sacrificing legality. You re willing to pay for quality and durability, and you re comfortable with a moderate installation challenge.

- **Consider alternatives if:** You prioritize raw performance over compliance, want a louder or more aggressive sound, or are on a tight budget and can find a high-quality used exhaust instead.

- Verify local emissions laws to ensure the SLP exhaust is legal in your area.

- If you re not experienced with exhaust installations, hire a professional to ensure a proper seal and torque specifications are met.

- Pair it with other performance parts (e.g., headers, intercooler upgrades) if you plan to push the engine further.

- Check for reviews or feedback from owners of the same model to gauge real-world performance and durability.

Details:

Location: Pet free and Smoke home. New old stock. Condition: In new unused condition. Fits 2007 2009 Arctic Cat Crossfire and M8 800.

You are buying: NOS SLP Exhaust Y Pipe 09-872-123 For Arctic Cat 07-09 Crossfire M8 800.

specifications exhaustsnowmobilee:

• for models: M8, 800, Crossfire
• for makes: Arctic, Arctic-cat
• for years: 2007-2009
• brand: Starting Line Products
• mpn: 09-8721-123
• part type: Pipe Exhaust
• country of origin: United States

offer exhaustsnowmobilee:

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

seller exhaustsnowmobilee:

• # reviews: 3523
• city: Saint Maries, Idaho
• rating: 99.9%

general exhaustsnowmobilee:

• condition: New other see details
• Parts Accessories > Snowmobile Parts > Exhaust

returns exhaustsnowmobilee:

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

shipping exhaustsnowmobilee:

• service: USPS Ground Advantage
• transit: 4-7 Days
• carrier: USPS
• cost: $15.00
• type: Fixed
• class: Standard

payments exhaustsnowmobilee:

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

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