Uni Air Filter NU-4123 — High-Flow Performance Filtration

SKU: FJQL_NU-4123
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Sale price$37.95
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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 Uni

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

Superior Engine Protection with Uni Air Filters

Maximize your engine's potential with the Uni NU-4123 Air Filter. Designed for enthusiasts who demand both high performance and exceptional filtration, this air filter ensures your engine receives a steady, clean supply of air, even in the most challenging environments. Whether you are hitting the trails or the track, Uni filters are synonymous with reliability and power.

Why Choose Uni Filtration?

  • High-Flow Technology: Engineered to minimize air restriction, allowing your engine to breathe freely and produce more power.
  • Multi-Stage Filtration: Captures even the smallest dust and dirt particles to extend engine life.
  • Washable and Reusable: An eco-friendly and cost-effective solution that maintains performance over time.
  • Precision Engineered: Designed to fit perfectly within your factory airbox for a hassle-free installation.

Airflow is the lifeblood of your engine. A restrictive filter can choke your power output, while a poor-quality filter allows harmful contaminants to enter your combustion chamber. The Uni NU-4123 strikes the perfect balance, providing a robust barrier against debris without sacrificing the airflow required for high-RPM performance. This makes it an essential upgrade for any vehicle owner looking to improve throttle response and overall engine efficiency. By choosing a high-quality filter, you are investing in the long-term health of your engine, ensuring it stays clean and powerful for years to come. Experience the difference that professional-grade filtration makes in your driving experience. Discover the full range of high-performance intake components available at GGCRACING.

Product Details

Product Description
Part Numbers
Sizing & Fit

About Uni

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

Superior Engine Protection with Uni Air Filters

Maximize your engine's potential with the Uni NU-4123 Air Filter. Designed for enthusiasts who demand both high performance and exceptional filtration, this air filter ensures your engine receives a steady, clean supply of air, even in the most challenging environments. Whether you are hitting the trails or the track, Uni filters are synonymous with reliability and power.

Why Choose Uni Filtration?

  • High-Flow Technology: Engineered to minimize air restriction, allowing your engine to breathe freely and produce more power.
  • Multi-Stage Filtration: Captures even the smallest dust and dirt particles to extend engine life.
  • Washable and Reusable: An eco-friendly and cost-effective solution that maintains performance over time.
  • Precision Engineered: Designed to fit perfectly within your factory airbox for a hassle-free installation.

Airflow is the lifeblood of your engine. A restrictive filter can choke your power output, while a poor-quality filter allows harmful contaminants to enter your combustion chamber. The Uni NU-4123 strikes the perfect balance, providing a robust barrier against debris without sacrificing the airflow required for high-RPM performance. This makes it an essential upgrade for any vehicle owner looking to improve throttle response and overall engine efficiency. By choosing a high-quality filter, you are investing in the long-term health of your engine, ensuring it stays clean and powerful for years to come. Experience the difference that professional-grade filtration makes in your driving experience. Discover the full range of high-performance intake components available at GGCRACING.

Product Details

Product Description

About Uni

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

Superior Engine Protection with Uni Air Filters

Maximize your engine's potential with the Uni NU-4123 Air Filter. Designed for enthusiasts who demand both high performance and exceptional filtration, this air filter ensures your engine receives a steady, clean supply of air, even in the most challenging environments. Whether you are hitting the trails or the track, Uni filters are synonymous with reliability and power.

Why Choose Uni Filtration?

  • High-Flow Technology: Engineered to minimize air restriction, allowing your engine to breathe freely and produce more power.
  • Multi-Stage Filtration: Captures even the smallest dust and dirt particles to extend engine life.
  • Washable and Reusable: An eco-friendly and cost-effective solution that maintains performance over time.
  • Precision Engineered: Designed to fit perfectly within your factory airbox for a hassle-free installation.

Airflow is the lifeblood of your engine. A restrictive filter can choke your power output, while a poor-quality filter allows harmful contaminants to enter your combustion chamber. The Uni NU-4123 strikes the perfect balance, providing a robust barrier against debris without sacrificing the airflow required for high-RPM performance. This makes it an essential upgrade for any vehicle owner looking to improve throttle response and overall engine efficiency. By choosing a high-quality filter, you are investing in the long-term health of your engine, ensuring it stays clean and powerful for years to come. Experience the difference that professional-grade filtration makes in your driving experience. Discover the full range of high-performance intake components available at GGCRACING.

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