1. Exhaust System Kits Offered
  2. sku: 6201924067931722
  3. TWO BROTHERS RACING 005-S1R-405-S1B

TWO BROTHERS RACING 005-S1R-405-S1B Carbon Fiber Exhaust Right Slip Muffler

005-s1r-405-s1b Two Brothers Racing S1r Carbon Fiber Slip On Exhaust Muffler Only 8 Inch Black Series Right

( Brand: Two Brothers Racing ), ( Type: Exhaust Muffler ), ( Items Included: Muffler ), ( Color: Black ), ( Manufacturer Part Number: 005-S1R-405-S1B ), ( Material: Carbon ), ( Placement On Vehicle: Rear, Right )

Review TWO BROTHERS RACING Carbon Fiber Slip On Exhaust Muffler Only Inch Black Series Right fits S1R

Introducing the Brothers Racing 005-S1R-405-S1B S1R Carbon Fiber Slip-On Exhaust Muffler, a high-performance upgrade for your Subaru WRX STI or Impreza STI. This muffler is meticulously crafted using premium carbon fiber material, delivering an exceptional balance of power, sound, and style.

The Brothers Racing S1R Carbon Fiber Slip-On Exhaust Muffler is designed as a direct replacement for your stock exhaust system. This means that it is engineered to fit perfectly with minimal modifications required. The muffler's carbon fiber construction not only makes it look visually stunning but also reduces weight, enhancing your vehicle's overall agility and responsiveness.

This Brothers Racing exhaust muffler features a slip-on design, which makes installation a breeze. It requires no welding or cutting, allowing you to save time and money on labor costs. Additionally, the slip-on design allows for easy removal should you wish to return to your stock exhaust system.

One of the most notable advantages of the Brothers Racing S1R Carbon Fiber Slip-On Exhaust Muffler is its significant improvement in exhaust flow and efficiency. The carbon fiber material allows for greater heat dissipation, reducing backpressure and improving engine performance. This results in increased horsepower, torque, and throttle response, giving your Subaru or Impreza STI a more powerful and responsive driving experience.

Furthermore, the Brothers Racing S1R Carbon Fiber Slip-On Exhaust Muffler delivers a distinctive, aggressive exhaust note. The carbon fiber construction allows for better sound resonance, producing a deep, rich exhaust tone that is sure to turn heads.

Lastly, Brothers Racing exhaust systems are known for their durability and reliability. The carbon fiber material is resistant to corrosion and heat, ensuring that your exhaust system stays in top condition, even under the most demanding driving conditions.

In summary, the Brothers Racing 005-S1R-405-S1B S1R Carbon Fiber Slip-On Exhaust Muffler is an excellent investment for any Subaru WRX STI or Impreza STI enthusiast. It offers a visually stunning design, improved performance, and an aggressive exhaust note, all while reducing weight and enhancing durability.

The Brothers Racing 005-S1R-405-S1B Carbon Fiber Slip-On Exhaust Muffler is a popular aftermarket exhaust option for various Subaru models. Here are some pros and cons to help you make an informed decision about purchasing this exhaust system.

Pros:

1. Enhanced Performance: This exhaust system is designed to improve the performance of your Subaru by reducing backpressure and allowing for better exhaust flow. This can result in increased horsepower and torque.

2. Lightweight: Carbon fiber is a lightweight material, making this exhaust system significantly lighter than its stock counterpart. This reduction in weight can lead to improved acceleration and handling.

3. Aesthetics: The carbon fiber finish looks great and sets your Subaru apart from others on the road. It's a visual upgrade that many Subaru enthusiasts appreciate.

4. Sound: The Brothers Racing slip-on exhaust produces a deeper, more aggressive exhaust note that many Subaru owners find appealing.

5. Easy Installation: This exhaust system is relatively easy to install, and most users report that it can be done in under an hour with basic hand tools.

Cons:

1. Cost: The Brothers Racing 005-S1R-405-S1B Carbon Fiber Slip-On Exhaust Muffler is a premium product, and the price tag reflects that. It may be more expensive than some other aftermarket exhaust options.

2. Loudness: Some users have reported that the exhaust is too loud for their liking. Depending on your personal preference and local noise regulations, this may be a concern.

3. Fitment: While this exhaust system fits most Subaru models, it's essential to ensure that it's compatible with your specific make and model before making a purchase.

4. Maintenance: Carbon fiber exhausts require more maintenance than traditional stainless steel exhausts. They're more prone to damage from road debris and can be more difficult to repair if damaged.

Conclusion:

The Brothers Racing 005-S1R-405-S1B Carbon Fiber Slip-On Exhaust Muffler is an excellent option for Subaru owners looking to enhance the performance, aesthetics, and sound of their vehicle. However, it comes with a higher price tag and requires more maintenance than other exhaust options. Ultimately, the decision to purchase this exhaust system depends on your personal preferences, budget, and the specific needs of your Subaru. If you're looking for a high-performance exhaust that delivers a more aggressive sound and a visual upgrade, then this exhaust system is worth considering. However, if you're on a tight budget or prefer a more low-key exhaust system, then you may want to explore other options.

Recommendation:

If you're in the market for a high-performance exhaust system for your Subaru and are willing to invest in a premium product, then the Brothers Racing 005-S1R-405-S1B Carbon Fiber Slip-On Exhaust Muffler is an excellent choice. However, if you're on a tighter budget or prefer a more low-key exhaust system, then you may want to consider other options, such as a stainless steel exhaust system or a cat-back exhaust. Ultimately, it's essential to do your research and ensure that the exhaust system you choose is compatible with your specific Subaru model and meets your performance, sound, and budget requirements.

Details:

Spiral-wound perforated core. The S1R exhaust is the latest state-of-the-art product from Two Brothers Racing. Two Brothers Racing S1R Slip on Exhaust Muffler with 8 3K Carbon Fiber Sleeve. 005-S1R-405-S1BNEW.

Aluminum CNC Machined outlet. Teflon coated magnesium end-cap. Stamped spring-fit inlet. Features carbon fiber highlighted by natural finished Aluminum outlet and stamped spring-mounted inlet for ultimate durability.

Features Black Series 3K Carbon Fiber. Accepts sound reduction tips.

part #: 005s1r405s1b prices

  • $265.00-$499.00

specifications exhausterupt:

  • brand: Two Brothers Racing
  • type: Exhaust Muffler
  • items included: Muffler
  • color: Black
  • manufacturer part number: 005-S1R-405-S1B
  • material: Carbon
  • placement on vehicle: Rear, Right

offer exhausterupt:

  • started: December 20, 2025
  • options: Ship-to-home
  • availability: In Stock
  • sold: 0
  • quantity: 1

payments exhausterupt:

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

seller exhausterupt:

  • rating: 99.6%
  • # reviews: 47067
  • city: Danville, Virginia

shipping exhausterupt:

  • transit: 3-7 Days
  • class: Standard
  • cost: $23.99
  • service: Standard
  • type: Fixed

general exhausterupt:

  • condition: New
  • Motorcycle Scooter Parts Accessories > Exhaust Emission Systems > Exhaust System Kits

returns exhausterupt:

  • time: 30 Days
  • paid by: Seller
  • policy: Returns Accepted
type: exhaust muffler, items included: muffler, placement on vehicle: rear, right,
category: motorcycle parts > motorcycle scooter parts accessories > exhaust emission systems > exhaust system kits, color: black, material: carbon, sku: 6201924067931722,

Two Brothers Racing 005-S1R-405-S1B Is Similar To:

exhausterupt logo
2 offers $265.00–$499.00 USD
  • New. Offer #1 priced at $499.00 + $23.99 delivery = $522.99* total. The S1R exhaust is the latest state-of-the-art product from Two Brothers Racing. Two Brothers Racing S1R Slip on Exhaust Muffler with 8" 3K Carbon Fiber Sleeve.Features Black Series 3K Carbon Fiber.+$23.99 shipping
  • Used. Offer #2 priced at $265.00 + $35.00 delivery = $300.00* total. NO HARDWARE MUFFLER ONLY!!! Make offer This single 8" muffler, made of carbon fiber, is manufactured by Two Brothers Racing.+$35.00 shipping

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