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Ships within 48 hours · Estimated delivery Aug 5 - Aug 10
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Description
1999-2014 TRX 400EX/X EVO R Series Slip On Exhaust (BIG09-1432)The Big Gun EVO R Series Slip On Exhaust for the 19992014 Honda TRX 400EX and 400X is a performance driven upgrade rooted in a deep heritage of power development. As a tried and true series within the off road and sport ATV community, the EVO R is designed to provide a comprehensive improvement over the factory setup. This slip on system focuses on reducing rear end weight, delivering significant gains in horsepower and torque, and providing an
The Big Gun EVO R Series Slip-On Exhaust for the 1999–2014 Honda TRX 400EX and 400X is a performance-driven upgrade rooted in a deep heritage of power development. As a tried-and-true series within the off-road and sport ATV community, the EVO R is designed to provide a comprehensive improvement over the factory setup. This slip-on system focuses on reducing rear-end weight, delivering significant gains in horsepower and torque, and providing an exhaust note that is vastly superior to the stock sound profile.
Features
- Performance Heritage: Leverages years of MX and off-road racing experience to provide a reliable and powerful exhaust solution.
- Weight Reduction: Constructed with lightweight materials to shed unnecessary pounds compared to the heavy factory muffler.
- Enhanced Powerband: Engineered to optimize exhaust flow, resulting in more responsive acceleration and increased overall power.
- Aggressive Acoustic Profile: Produces a deep, race-inspired sound that enhances the sporty character of the TRX 400EX/X.
- Proven Durability: Built to handle the high-vibration environment of sport ATV riding while maintaining its structural integrity and finish.
Compatibility
- Fits 1999–2008 Honda TRX 400EX.
- Fits 2009–2014 Honda TRX 400X.
Notes
- This system is designed as a slip-on and is intended to mount to the stock head pipe or a compatible Big Gun EVO R head pipe.
- Includes the necessary mounting hardware and a removable screen-type spark arrestor.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.8 ★★★★★
Based on 7 reviews
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Product Reviews
★★★★★ 5
74 monte carlo Resto
Model: NewSLS50_52
Great product easy installation with sheets cut to size,using for Classic car Restoration,floor pan and doors
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Reviewed in the United States on May 26, 2026
★★★★★ 5
Impressive Sound Deadening Solution with Enhanced Audio Quality
Model: NewSLS50_52
I recently purchased the Siless 50 mil (1.3mm) 52 sqft Car Sound Deadening mat, and I am delighted with the results it has delivered. Right from the start, I was impressed with the packaging, which ensured the product arrived in perfect condition.
One of the standout features of this sound deadening mat is its ease of use. It was a breeze to cut and modify according to my specific needs. Whether I needed to cover specific areas or customize the size, the mat accommodated my requirements effortlessly. This flexibility made the installation process a breeze.
The Siless Sound Deadening mat has proven to be highly effective in reducing outside noise within my vehicle. With just a half cabin install, I noticed a significant reduction of approximately 10 decibels, making my driving experience much quieter and more comfortable. The mat acted as a reliable barrier against external noise, allowing me to enjoy a more peaceful ride.
Furthermore, the sound quality from my vehicle's audio system experienced a noticeable improvement. The Siless mat effectively dampened vibrations and minimized resonance, resulting in cleaner and more refined audio output. The mat's thickness of 50 mil (1.3mm) ensures optimal sound absorption, contributing to its effectiveness in creating a quieter and more enjoyable driving environment. I can now appreciate the full range of tones and enjoy a more immersive music experience during my drives.
Overall, I highly recommend the Siless 50 mil Car Sound Deadening mat for anyone seeking a reliable and effective solution to reduce noise and enhance audio quality in their vehicle. The easy cutting and modifying process, along with the excellent packaging, contribute to a seamless installation experience. With a significant reduction in outside noise and an improvement in sound system performance, this sound deadening mat has exceeded my expectations.
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Reviewed in the United States on May 27, 2023
★★★★★ 5
Good quality sound deadener at a good price.
Model: NewSLS50_52
Quality sound deadening that adheres to body panels well. You can easily hear the vibration reduction after just the first piece by tapping on the body panel before and after.
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Reviewed in the United States on November 21, 2025
★★★★★ 4
Good stuff at a good price
Model: NewSLS50_52
Works well and sticks well. I used a roller and it has been over a year and everything still sticking as good as day i put it everywhere. I didnt use any adhesive but I did wipe everything down with acetone before I applied. Good stuff at a good price
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Reviewed in the United States on November 23, 2025
★★★★★ 5
Good value
Model: NewSLS50_52, Model: NewSLS50_52
Working perfectly. Install of stereo equipment and carpet left me wanting some heat and sound resistant materials.
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Reviewed in the United States on March 23, 2026