Big Gun ECO Series Slip-On Exhaust — Fits 99-14 Honda TRX 400EX/X

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SKU: BIG07-1122
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Sale price$306.99 Regular price$327.75
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Car Wheel Size Chart

Wheel Diameter (inches) Tire Width (mm) Aspect Ratio Rim Width (inches)
14185655.5
15195606.0
16205556.5
17215507.0
18225457.5
19235408.0
20245358.5

Note: Wheel and tire sizes vary by car make and model. Always consult your vehicle’s manufacturer for exact specifications.

How to Read Tire Size

Example: 225/45R17 means:

  • 225 = Tire width in mm
  • 45 = Aspect ratio (height as % of width)
  • R17 = Rim diameter in inches

Product Details

Product Description
Part Numbers
Sizing & Fit

About Big Gun

Big Gun engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Big Gun lineup with fast shipping and expert fitment support — order with confidence.

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Unleash Your Honda TRX 400EX/X Performance

The Big Gun ECO Series Slip-On Exhaust is specifically engineered to unlock the hidden power potential of your 1999-2014 Honda TRX 400EX or 400X. Designed for riders who want a balance of performance, durability, and affordability, this exhaust system delivers a noticeable increase in horsepower and torque throughout the powerband. Experience a deeper, more aggressive exhaust note that sounds as good as it performs.

Performance and Durability

  • Increased Power: Optimized flow design improves throttle response and overall engine output.
  • Lightweight Construction: Significantly reduces weight compared to the bulky stock exhaust system.
  • ECO Series Value: High-quality materials without the premium price tag of full systems.
  • Perfect Fitment: Designed specifically for the 99-14 Honda TRX 400EX/X chassis for easy installation.

Constructed with high-grade materials, the ECO Series slip-on is built to withstand the rigors of trail riding, track racing, and everything in between. The slip-on design allows for a quick and straightforward installation, meaning you spend less time in the garage and more time on the dirt. Whether you are looking to replace a damaged stock muffler or simply want to improve your ATV's performance, this exhaust is the perfect upgrade. Its sleek finish complements the look of your Honda, while the improved exhaust scavenging helps your engine breathe better under load. Elevate your riding experience with the proven performance of Big Gun and find your next upgrade at GGCRACING.

Product Details

Product Description
Part Numbers
Sizing & Fit

About Big Gun

Big Gun engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Big Gun lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

Unleash Your Honda TRX 400EX/X Performance

The Big Gun ECO Series Slip-On Exhaust is specifically engineered to unlock the hidden power potential of your 1999-2014 Honda TRX 400EX or 400X. Designed for riders who want a balance of performance, durability, and affordability, this exhaust system delivers a noticeable increase in horsepower and torque throughout the powerband. Experience a deeper, more aggressive exhaust note that sounds as good as it performs.

Performance and Durability

  • Increased Power: Optimized flow design improves throttle response and overall engine output.
  • Lightweight Construction: Significantly reduces weight compared to the bulky stock exhaust system.
  • ECO Series Value: High-quality materials without the premium price tag of full systems.
  • Perfect Fitment: Designed specifically for the 99-14 Honda TRX 400EX/X chassis for easy installation.

Constructed with high-grade materials, the ECO Series slip-on is built to withstand the rigors of trail riding, track racing, and everything in between. The slip-on design allows for a quick and straightforward installation, meaning you spend less time in the garage and more time on the dirt. Whether you are looking to replace a damaged stock muffler or simply want to improve your ATV's performance, this exhaust is the perfect upgrade. Its sleek finish complements the look of your Honda, while the improved exhaust scavenging helps your engine breathe better under load. Elevate your riding experience with the proven performance of Big Gun and find your next upgrade at GGCRACING.

Product Details

Product Description

About Big Gun

Big Gun engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Big Gun lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

Unleash Your Honda TRX 400EX/X Performance

The Big Gun ECO Series Slip-On Exhaust is specifically engineered to unlock the hidden power potential of your 1999-2014 Honda TRX 400EX or 400X. Designed for riders who want a balance of performance, durability, and affordability, this exhaust system delivers a noticeable increase in horsepower and torque throughout the powerband. Experience a deeper, more aggressive exhaust note that sounds as good as it performs.

Performance and Durability

  • Increased Power: Optimized flow design improves throttle response and overall engine output.
  • Lightweight Construction: Significantly reduces weight compared to the bulky stock exhaust system.
  • ECO Series Value: High-quality materials without the premium price tag of full systems.
  • Perfect Fitment: Designed specifically for the 99-14 Honda TRX 400EX/X chassis for easy installation.

Constructed with high-grade materials, the ECO Series slip-on is built to withstand the rigors of trail riding, track racing, and everything in between. The slip-on design allows for a quick and straightforward installation, meaning you spend less time in the garage and more time on the dirt. Whether you are looking to replace a damaged stock muffler or simply want to improve your ATV's performance, this exhaust is the perfect upgrade. Its sleek finish complements the look of your Honda, while the improved exhaust scavenging helps your engine breathe better under load. Elevate your riding experience with the proven performance of Big Gun and find your next upgrade at GGCRACING.

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