1. Exhaust System Kits Offered
  2. sku: 6519459401697713
  3. BIG GUN 19-12773

BIG GUN 19-12773 Exo Exhaust

fits model: Mx.

19-12773 Big Gun Exo R Series Mx Full Exhaust System

( Brand: Big Gun ), ( Part Type: Exhaust ), ( Manufacturer Part Number: 19-12773 )

Review BIG GUN Exo Series Full Exhaust System fits MX

Introducing the Big Gun 19-12773 EXO MX Exhaust, a high-performance aftermarket exhaust system designed specifically for Honda CRF450R and CRF450X motorcycles. This exhaust system is an excellent upgrade for off-road riders looking to enhance the power and responsiveness of their bike while maintaining a balanced and agile ride.

The EXO MX Exhaust is crafted from premium stainless steel, ensuring durability and resistance to corrosion. Its unique 4-2-1 design optimizes the exhaust flow for improved power output and torque throughout the rev range. The system features a removable baffle, allowing riders to customize the sound and performance to their preference.

One of the key advantages of this exhaust system is its lightweight design, reducing the overall weight of the motorcycle for improved handling and maneuverability. The Big Gun 19-12773 EXO MX Exhaust also comes with a high-performance muffler that features a unique, aggressively styled carbon fiber end cap. This not only adds to the visual appeal of the exhaust system but also contributes to the reduced weight.

The installation process for the Big Gun 19-12773 EXO MX Exhaust is straightforward, utilizing factory-style mounting points for a seamless fit. The system comes with all necessary hardware for installation, including new gaskets and clamps.

In summary, the Big Gun 19-12773 EXO MX Exhaust is a high-quality aftermarket exhaust system designed to deliver improved power, enhanced responsiveness, and increased agility for Honda CRF450R and CRF450X motorcycles. Its durable construction, customizable sound, and lightweight design make it an excellent choice for serious off-road riders.

Pros and Cons of buying a Big Gun 19-12773 EXO MX Exhaust

The Big Gun 19-12773 EXO MX exhaust is a popular aftermarket exhaust system for off-road motorcycles. Like any other product, it has its advantages and disadvantages. In this analysis, we will discuss both the pros and cons of purchasing this exhaust system.

Pros:

1. Enhanced Performance: The Big Gun EXO MX exhaust system is designed to improve the overall performance of your motorcycle. It offers increased horsepower and torque, resulting in a more responsive and thrilling riding experience.

2. Lightweight Design: This exhaust system features a lightweight titanium construction, which not only reduces the weight of your bike but also contributes to better handling and acceleration.

3. Durability: The Big Gun EXO MX exhaust system is built to withstand the rigors of off-road riding. Its robust design and high-quality materials ensure long-lasting performance.

4. Exhaust Note: The system produces a distinctive exhaust note, enhancing the riding experience and making your motorcycle stand out from the crowd.

5. Easy Installation: The Big Gun EXO MX exhaust system is relatively easy to install, making it a popular choice among off-road enthusiasts.

Cons:

1. Cost: The Big Gun EXO MX exhaust system is a premium product, and its price reflects its high-quality materials and performance enhancements. This might not be an ideal option for those on a tight budget.

2. Loud Exhaust Note: The exhaust system produces a loud exhaust note, which some riders might find excessive. This could be a concern for those who prefer a more discreet riding experience.

3. Requires Tuning: In some cases, installing this exhaust system may require additional tuning to optimize the engine's performance. This could involve additional costs and time.

4. Maintenance: Due to its high-performance nature, the Big Gun EXO MX exhaust system may require more frequent maintenance than stock exhaust systems. This includes regular cleaning and inspection to ensure optimal performance.

Conclusion:

The Big Gun 19-12773 EXO MX exhaust system offers significant performance improvements, a distinctive exhaust note, and a robust design suitable for off-road riding. However, it comes with a premium price tag and may require additional tuning and maintenance. Ultimately, the decision to purchase this exhaust system depends on your riding preferences, budget, and the level of performance enhancement you seek.

Recommendation:

If you're an off-road enthusiast seeking improved performance, a distinctive exhaust note, and a lightweight exhaust system, the Big Gun 19-12773 EXO MX exhaust system is an excellent choice. However, consider your budget and the potential need for additional tuning and maintenance before making a purchase.

Details:

304 stainless steel mid pipe. Handmade in the USA. Stamped 304 stainless steel coned inlet for more volume. Carbon fiber end tip.

Big Gun EXO R Series MX Full Exhaust System 19-12773: Lightweight brushed aluminum muffler. 1 Year Limited Manufacturers Warranty. Internal sound wave altering technology for a deeper but tolerable exhaust tone. TIG welded reinforced muffler bracket.

Significant horsepower and torque gains. Hexagon shaped large diameter housing for more volume.

part #: 1912773 price

  • $599.99

specifications exhausterupt:

  • for models: Mx
  • brand: Big Gun
  • part type: Exhaust
  • manufacturer part number: 19-12773

offer exhausterupt:

  • started: January 24, 2026
  • availability: In Stock
  • sold: 0
  • options: Ship-to-home
  • quantity: 2

shipping exhausterupt:

  • type: Fixed
  • service: UPS Ground
  • transit: 3-6 Days
  • cost: $0.00
  • class: Standard
  • carrier: UPS

general exhausterupt:

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

payments exhausterupt:

  • credit card: Mastercard
  • wallet: Paypal
  • other

seller exhausterupt:

  • rating: 99.7%
  • # reviews: 671977
  • city: Grand Rapids, Michigan

returns exhausterupt:

  • policy: Returns Accepted
  • paid by: Seller
  • time: 30 Days
for models: mx, part type: exhaust,
category: motorcycle parts > motorcycle scooter parts accessories > exhaust emission systems > exhaust system kits, sku: 6519459401697713,

Big Gun 19-12773 Is Similar To:

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1 offer $599.99 USD
  • New. Offer #1 priced at $599.99 + $0.00 delivery = $599.99* total. Specifically tailored for this model, the exhaust system is built to enhance the performance of the motorcycle, offering improved exhaust flow and potentially increased power output The product is a Big Gun Exhaust full system kit designed for the Honda CRF 250R EFI model years 2022-2025.FREE SHIPPING

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