REV9 Flowmaxx Axle Exhaust 428I F32/F33/F36

( Brand: Rev9 ), ( Type: Axle Back Exhaust Kit ), ( Manufacturer Warranty: 1 Year ), ( Fitment Type: Direct Replacement ), ( Color: Silver ), ( Items Included: Clamp, Pipe ), ( Manufacturer Part Number: CB-440 2 ), ( Mounting Hardware Included: Yes ), ( Material: Stainless Steel ), ( Universal Fitment: No ), ( Finish: Stainless Steel, Polished )

Review REV9 Flowmax Axle back Exhaust Bmw F32/f33/f36 fits CB-440 430I F32 F33 F36 SS 2012–2018

Introducing the REV9 CB-440 Flowmaxx Axle-Back Exhaust System, designed specifically for BMW 428i and 430i models with F32, F33, and F36 chassis from the years 2012 to 2018. This high-performance exhaust system is engineered to deliver an exceptional driving experience with increased power, improved sound quality, and enhanced aesthetic appeal.

The CB-440 Flowmaxx Axle-Back Exhaust System is characterized by its 4-inch diameter polished stainless steel tips, which provide a bold and distinctive look. The system is constructed from premium 304 stainless steel, ensuring durability and resistance to corrosion. Each component is meticulously crafted using TIG welding for superior strength and fitment.

One of the primary benefits of this exhaust system is the significant power gains it delivers. The Flowmaxx design allows for increased exhaust flow, resulting in improved engine breathing and a noticeable increase in horsepower and torque. The system is also designed to meet or exceed all relevant emissions regulations, ensuring a legal and reliable upgrade for your BMW.

Another notable feature of the CB-440 Flowmaxx Axle-Back Exhaust System is its enhanced sound quality. The system's mandrel-bent piping ensures minimal restriction, allowing for a free-flowing exhaust note that is both aggressive and refined. The system's design also includes a resonator to reduce unwanted drone, providing a balanced and enjoyable exhaust note.

Installing the CB-440 Flowmaxx Axle-Back Exhaust System is a straightforward process, as it is a bolt-on design that requires no modification to the factory catalytic converters or oxygen sensors. The system includes all necessary hardware for installation, making it a convenient and hassle-free upgrade for your BMW.

In summary, the REV9 CB-440 Flowmaxx Axle-Back Exhaust System is an exceptional upgrade for BMW 428i and 430i models with F32, F33, and F36 chassis from 2012 to 2018. It delivers increased power, improved sound quality, and enhanced aesthetic appeal, all while maintaining emissions compliance and ease of installation.

The Rev9 CB-440 Flowmaxx axle-back exhaust system is a popular aftermarket exhaust option for BMW 428i and 430i models from the F32, F33, and F36 generations produced between 2012 and 2018. This system is known for its aggressive look, improved performance, and distinctive sound. In this analysis, we will discuss the pros and cons of purchasing a Rev9 CB-440 Flowmaxx axle-back exhaust for your BMW.

1. Improved Performance: The Rev9 CB-440 Flowmaxx exhaust system increases the flow of exhaust gases, ultimately leading to better engine performance. This results in increased horsepower and torque, enhancing the driving experience.

2. Enhanced Sound: The axle-back exhaust system delivers a more aggressive and sporty exhaust note. This can be an appealing upgrade for those who want their BMW to sound more dynamic and responsive.

3. Visual Appeal: The Rev9 CB-440 Flowmaxx exhaust system features a sleek design and high-quality finish. It is a visually striking modification that can enhance the overall appearance of your BMW.

4. Increased Fuel Efficiency: Some users have reported improved fuel efficiency due to the reduced backpressure caused by the exhaust system upgrade.

5. Durability: Rev9 uses high-quality materials and manufacturing processes to ensure the exhaust system lasts long.

1. Cost: The Rev9 CB-440 Flowmaxx axle-back exhaust system can be relatively expensive compared to other aftermarket exhaust options.

2. Installation: Installing the exhaust system may require professional assistance, which can add to the overall cost.

3. Increased Noise Levels: The exhaust system produces a louder exhaust note, which may not be desirable for those who want a quieter ride.

4. Potential Compatibility Issues: Ensure the exhaust system is compatible with your specific BMW model and any other modifications you may have.

The Rev9 CB-440 Flowmaxx axle-back exhaust system offers several advantages, including improved performance, enhanced sound, visual appeal, and potential fuel efficiency gains. However, it comes with some drawbacks, such as cost, installation requirements, increased noise levels, and potential compatibility issues. Ultimately, the decision to purchase this exhaust system depends on your personal preferences, priorities, and budget. If you are looking for a more aggressive and dynamic driving experience and are willing to invest in the upgrade, the Rev9 CB-440 Flowmaxx axle-back exhaust system can be a worthwhile investment.

If you are considering purchasing the Rev9 CB-440 Flowmaxx axle-back exhaust system for your BMW, it is recommended that you do thorough research to ensure it is compatible with your specific model and any other modifications you may have. It is also advisable to obtain a professional installation to ensure proper fitment and function. Additionally, weigh the pros and cons carefully to ensure the benefits align with your priorities and preferences.

part # cb440 prices

• $439.00-$440.00

specifications frazzlekits:

• for models: Cb-440, 430i, F32, F33, F36, Ss
• for makes: Bmw
• for years: 2012-2018
• brand: Rev9
• type: Axle Back Exhaust Kit
• manufacturer warranty: 1 Year
• fitment type: Direct Replacement
• color: Silver
• items included: Clamp, Pipe
• manufacturer part number: CB-440 2
• mounting hardware included: Yes
• material: Stainless Steel
• universal fitment: No
• finish: Stainless Steel, Polished

general frazzlekits:

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

seller frazzlekits:

• rating: 100.0%
• # reviews: 785

payments frazzlekits:

• credit card: Visa
• other
• wallet: Paypal

returns frazzlekits:

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

offer frazzlekits:

• sold: 0
• availability: In Stock
• options: Ship-to-home
• quantity: 3
• started: August 28, 2025
• best offers: True

shipping frazzlekits:

• class: Standard
• carrier: UPS
• type: Fixed
• cost: $0.00
• transit: 5-8 Days
• service: UPS Ground

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