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  2. sku: 4010692971560632
  3. STILLEN 504445

STILLEN 504445 Rear Steel Cat Exhaust Split Exit

fits model: M45. make: Infiniti. year: 2006–2010.

504445 Stillen For Infiniti M45 06-10 Stainless Steel Cat-back Exhaust System W Split Rear Exit

( Brand: Stillen ), ( Manufacturer Part Number: 504445 ), ( Product Type: Exhaust ), ( Fitment Type: Direct Replacement ), ( Product Subtype: Exhaust Kits ), ( Tip Finish: Chrome / Polished ), ( Country/region Of Manufacture: United States ), ( Brand Type: Aftermarket Branded ), ( Manufacturer Warranty: Lifetime ), ( Type: Cat Back ), ( Product Details: Performance Cat-back Exhaust System ), ( Department: Performance )

Review STILLEN Infiniti Stainless Steel Cat back Exhaust System Split Rear Exit fits M45 2006–2010

Introducing the Stillen 504445 Cat-Back Exhaust System for Infiniti M45 models from 2006 to 2010. This high-performance exhaust system is designed to deliver an exceptional driving experience by enhancing engine performance and providing a more engaging exhaust note.

The Stillen Cat-Back Exhaust System is made from premium stainless steel, ensuring durability and resistance to rust and corrosion. This material also offers a sleek and polished look that complements the design of your Infiniti M45.

The system features a split rear exit design, which not only looks great but also provides improved exhaust flow and efficiency. The twin rear exhaust tips, finished in a polished stainless steel, add a touch of sophistication and sportiness to your vehicle.

The Stillen Cat-Back Exhaust System is designed to be a direct fit for your Infiniti M45, making installation easy and straightforward. The system comes with all necessary hardware and instructions, allowing you to complete the installation yourself or with the help of a professional mechanic.

By replacing the restrictive factory exhaust system, the Stillen Cat-Back Exhaust System allows for freer exhaust flow, resulting in increased horsepower and torque. This translates to better acceleration and overall driving performance, making your Infiniti M45 feel more responsive and alive.

The exhaust note produced by the Stillen Cat-Back Exhaust System is deeper and more aggressive than the factory exhaust, adding to the overall driving experience. The sound is not overly loud or obnoxious, but rather provides a satisfying and pleasing exhaust note that will please even the most discerning of driving enthusiasts.

Investing in the Stillen 504445 Cat-Back Exhaust System for your Infiniti M45 is a smart choice for those looking to enhance the performance and aesthetics of their vehicle. With its sleek design, improved performance, and high-quality construction, this exhaust system is sure to exceed your expectations and provide you with many years of enjoyment.

Pros and Cons of Buying a Stillen 504445 Cat-Back Exhaust for Infiniti M45 (06-10) with Steel Rear Exit

1. Improved Performance:

* Increased horsepower and torque due to the free-flowing exhaust system.

* Enhanced engine sound, providing a more satisfying driving experience.

2. Enhanced Appearance:

* Rear exit exhaust design adds a sporty and distinctive look to the vehicle.

* Polished tips can add a subtle yet elegant touch to the car's exterior.

3. Durability:

* High-quality steel construction ensures long-lasting performance and durability.

* Mandrel-bent tubing reduces stress points and ensures a smooth exhaust flow.

4. Easy Installation:

* Bolts on using factory mounting points, making it a relatively straightforward install.

* No welding or modifications required, allowing for a hassle-free installation process.

5. CARB Legal:

* Stillen 504445 is CARB (California Air Resources Board) legal, making it a viable option for those residing in California or other emissions-conscious areas.

6. Potential Drawbacks:

* Increased noise level due to the free-flowing exhaust system.

* Higher cost compared to stock exhaust systems or other aftermarket options.

7. Conclusion:

The Stillen 504445 cat-back exhaust for Infiniti M45 (06-10) with steel rear exit offers a significant improvement in both performance and appearance. Its high-quality steel construction, mandrel-bent tubing, and CARB legality make it a reliable and long-lasting investment for enthusiasts. However, the increased noise level and higher cost are potential drawbacks that should be considered before making a purchase.

8. Recommendation:

If you're looking to enhance the performance, sound, and appearance of your Infiniti M45 and are willing to accept the potential drawbacks, the Stillen 504445 cat-back exhaust with steel rear exit is an excellent choice. However, if noise levels are a concern or if budget is a limiting factor, alternative options may be worth considering. Ultimately, the decision to purchase depends on your individual preferences and priorities as a car enthusiast.

part # 504445 prices

  • $1165.81-$1201.77

specifications frazzlekits:

  • for models: M45
  • for makes: Infiniti
  • for years: 2006-2010
  • brand: Stillen
  • manufacturer part number: 504445
  • product type: Exhaust
  • fitment type: Direct Replacement
  • product subtype: Exhaust Kits
  • tip finish: Chrome / Polished
  • country/region of manufacture: United States
  • brand type: Aftermarket Branded
  • manufacturer warranty: Lifetime
  • type: Cat Back
  • product details: Performance Cat-back Exhaust System
  • department: Performance

returns frazzlekits:

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

general frazzlekits:

  • Car Truck Parts Accessories > Exhaust Emission Systems > Exhaust System Kits
  • condition: New

offer frazzlekits:

  • sold: 0
  • availability: In Stock
  • options: Ship-to-home
  • started: April 21, 2025
  • quantity: 1

shipping frazzlekits:

  • cost: $0.00
  • transit: 19-30 Days
  • service: FedEx Ground or FedEx Home Delivery
  • carrier: FedEx
  • class: Standard
  • type: Fixed

payments frazzlekits:

  • other
  • wallet: Apple-pay
  • credit card: Diners-club

seller frazzlekits:

  • rating: 96.2%
  • # reviews: 339891
for models: m45, for makes: infiniti, for years: 2006-2010, product type: exhaust, fitment type: direct replacement, product subtype: exhaust kits, tip finish: chrome / polished, country/region of manufacture: united states, brand type: aftermarket branded, manufacturer warranty: lifetime, type: cat back, product details: performance cat-back exhaust system, department: performance,
category: auto parts > car truck parts accessories > exhaust emission systems > exhaust system kits, sku: 4010692971560632,

Stillen 504445 Is Similar To:

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3 offers $1165.81–$1201.77 USD
  • Offer #1: $1165.81 price + $105.00 delivery = $1270.81* total. Each STILLEN Infiniti M Series exhaust systems is constructed of 100 percent mandrel bent tubing for optimal flow. Part Number.+$105.00 shipping
  • Offer #2: $1165.81 price + $105.00 delivery = $1270.81* total. Increase the performance of your vehicle with the Stillen Cat Back Exhaust System. Stainless Steel Cat-Back Exhaust System with Split Rear Exit by Stillen.+$105.00 shipping
  • Offer #3: $1201.77 price + free delivery = $1201.77* total. Choose from Cat-back and rear section exhaust systems.Each STILLEN Infiniti M Series exhaust systems is constructed of 100 percent mandrel bent tubing for optimal flow. STILLEN Cat Back Exhaust for 2006-2009 Infiniti M45 V50 - The STILLEN exhausts for the Infiniti M35,M37,M45,M56 series are a great example of our R & D work.FREE SHIPPING