ROUSH 421985 Cat Bk Exit

( Brand: Roush ), ( Part Type: Exit ), ( Manufacturer Part Number: 421985 )

Review ROUSH Cat Bk Side Exit fits F150 2015–2016

The Roush Performance Cat-Back Exhaust System, part number 421985, is a high-performance aftermarket exhaust solution designed specifically for select Ford F-150 models from 2015 and 2016. This exhaust system is manufactured by Roush Performance, a renowned name in the automotive industry, known for its superior engineering and innovative designs.

This Cat-Back Exhaust System is a polished stainless steel unit, ensuring a visually appealing and durable finish. The system replaces the stock exhaust from the catalytic converter rearward, allowing for improved exhaust flow, increased horsepower, and enhanced engine performance. The system features 4-inch diameter tubing, which is larger than the stock system, enabling better exhaust gases expulsion and a more powerful exhaust note.

The Roush Performance Cat-Back Exhaust System comes with 409S stainless steel mufflers, which are designed to provide a balanced exhaust tone that is both aggressive and refined. These mufflers are engineered to minimize exhaust backpressure, ensuring optimal power delivery and improved fuel efficiency.

The system is also compatible with the factory exhaust sensors and comes with a lifetime warranty on the exhaust system material and finish, as well as a 1-year warranty on the performance gains. Installation is relatively straightforward and can be done by an experienced DIYer or a professional mechanic.

Upgrading to the Roush Performance Cat-Back Exhaust System offers numerous benefits for your Ford F-150, including increased horsepower, improved engine performance, enhanced exhaust note, and a more visually appealing look. This exhaust system is a worthwhile investment for any Ford F-150 owner looking to boost their vehicle's power and performance.

The Roush Performance 421985 Cat-Back Exhaust System for the 2015 and 2016 Ford F-150 is a popular aftermarket upgrade among truck enthusiasts. This exhaust system offers several benefits, but it also comes with some drawbacks. Let's examine the pros and cons of this exhaust system to help you make an informed decision.

1. Enhanced Performance: The Roush Cat-Back Exhaust System is designed to enhance the performance of your Ford F-150. It provides a freer exhaust flow, which results in increased horsepower and torque. This can lead to better acceleration and towing capabilities.

2. Improved Sound: The exhaust system produces a deeper and more aggressive exhaust note, which many consumers find appealing. It can give your truck a more distinctive and powerful sound.

3. Durability: Roush is a reputable brand known for producing high-quality aftermarket parts. The Cat-Back Exhaust System is made from premium materials, such as stainless steel, and is engineered to withstand the rigors of off-road use and harsh weather conditions.

4. Easy Installation: The exhaust system comes with all necessary hardware and instructions for a relatively straightforward installation process. This can save you time and money compared to having it installed at a shop.

1. Cost: The Roush Cat-Back Exhaust System can be quite expensive compared to other aftermarket exhaust systems. This may be a drawback for those on a tight budget.

2. Loudness: The exhaust system can be quite loud, especially during acceleration. This may not be desirable for those who prefer a quieter ride or live in areas with noise restrictions.

3. Fitment Issues: Some consumers have reported fitment issues with the exhaust system, particularly with the exhaust tips. It's essential to ensure that the exhaust tips fit properly to avoid any potential issues.

4. Increased Cabin Heat: The exhaust system can result in increased cabin heat, especially during stop-and-go traffic. This may be a concern for those who frequently drive in hot climates or during the summer months.

The Roush Performance 421985 Cat-Back Exhaust System offers several benefits, including enhanced performance, improved sound, durability, and easy installation. However, it also comes with some drawbacks, such as cost, loudness, fitment issues, and increased cabin heat. Ultimately, the decision to purchase this exhaust system depends on your personal preferences, budget, and intended use for your Ford F-150. If you're looking for a powerful and distinctive exhaust note and don't mind the additional cost and potential drawbacks, then the Roush Cat-Back Exhaust System may be a worthwhile investment. However, if you're on a tight budget or prefer a quieter ride, then you may want to consider other options.

If you're considering purchasing the Roush Performance 421985 Cat-Back Exhaust System for your Ford F-150, I would recommend doing your research thoroughly before making a decision. Read reviews from other consumers to get an idea of their experiences with the product. Make sure you have a clear understanding of the installation process, fitment issues, and potential drawbacks. Finally, consider your budget and personal preferences to determine if this exhaust system is the right fit for you and your truck.

part # 421985 prices

• $1234.05-$1335.47

specifications frazzlekits:

• for models: F150
• for years: 2015-2016
• brand: Roush
• part type: Exit
• manufacturer part number: 421985

offer frazzlekits:

• quantity: 1
• options: Ship-to-home
• sold: 0
• best offers: True
• started: June 28, 2025
• availability: In Stock

general frazzlekits:

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

payments frazzlekits:

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

shipping frazzlekits:

• class: Standard
• service: Standard
• cost: $0.00
• type: Fixed
• transit: 5-11 Days

returns frazzlekits:

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

seller frazzlekits:

• # reviews: 51257
• rating: 97.0%

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