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Advantages of the DynoVox 4-2-1 Design Header

  • Enhanced Low to Mid-Range Torque:
    The 4-2-1 design improves exhaust flow efficiency, particularly in the low to mid-range RPMs, resulting in better torque output and improved engine response compared to 4-1 headers.
  • Reduced Cylinder Exhaust Interference:
    The design minimizes interference between cylinders by channeling exhaust gases through individual tubes before merging, optimizing exhaust efficiency and boosting overall performance.

Key Features

  • Improved Engine Efficiency:
    Enhances throttle response and overall engine efficiency.
  • Increased Power Output:
    Boosts horsepower and torque, delivering up to 8–20 additional horsepower depending on vehicle setup.
  • Optimized Exhaust Flow:
    Reduces back pressure, allowing gases to exit smoothly and improving performance.

Durability and High-Temperature Resistance

  • High-Temperature Oxidation Resistance:
    Manufactured with materials designed to withstand prolonged high-temperature cycles, ensuring long-lasting performance.
  • OE-Specified Design:
    Built to factory specifications with anti-deformation and anti-cracking properties, preventing leaks and extending the engine's service life.
    Fuel Efficiency and Cost Savings
  • Improved Gas Mileage:
    Enhances fuel efficiency by approximately 0.5 MPG, potentially saving $85 annually for an average 15,000-mile driver.
  • Cost-Effective:
    Over five years, these savings can help offset the cost of a complete exhaust system upgrade.
Brand DynoVox Outlet Size 3.00"
Primary Tube Size 1.50" Number of o2 Locations 2
Head Flange Thickness 7/16" Outlet Flange Thickness 3/8"
Body Material High Quality Stainless Steel Color Silver
Weight 7.1kg Comply with Factory Testing Standards Yes
Type Exhaust Header Warranty 3 Years
Package Includes 2*Exhaust Header 3*Gaskets  1 Pack Screws & Nuts
Installation Location Engine
Item Condition New

Warranty and Shipping Services

We provide a 3-year warranty and a 30-day free return and exchange service, so you have no worries. At the same time, you can enjoy fast and free shipping within the United States.

DISCLAIMER

1. By installing this product onto your vehicle, you assume all risk and liability associated with its use.2. It is your responsibility to make sure your Vehicle complies with all federal, state, and local emissions laws. Federal and many state and local laws prohibit the removal, modification, or rendering inoperative of any part of the design affecting emissions or safety on motor vehicles used on a public street or highway Violation may result in a fine of up to $ 32,500 per vehicle ( or possibly higher depending on changes in the law ). All civil penalties and fines for removing your vehicle emissions equipment are the sole responsibility of the end user.3. Due to its high-performance nature, this product may void the vehicle manufacturer's warranty.4. DynoVox is not responsible for the misuse of its products By installing this product, you release DynoVox of any liability associated with its use.5. Depending on where you live, restrictions may apply. Check all applicable laws before installing or using.6. The purchaser and end-user release, indemnities, discharges, and holds harmless DynoVox from any claims, damages, causes of action, injuries, or expenses resulting from or relating to the use or installation of this product that is in violation of the terms and conditions on this page, the product disclaimer, and/or the product installation instructions. DynoVox will not be liable for any direct, indirect, consequential, exemplary, punitive, statutory, or incidental damages or fines caused by the use.

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Frequently asked questions
What do exhaust headers do?
Like exhaust manifolds, headers are designed to route exhaust gases from the engine to the exhaust system. The primary difference is that headers create less exhaust backpressure than exhaust manifolds, thereby allowing the engine to breathe more easily. Headers are usually made from thin-walled stainless steel tubing.
Do exhaust headers increase horsepower?
Headers can increase horsepower, improve the flow rate of exhaust or improve your car's sound. No matter what you're looking for to enhance your engine system, you can find an exhaust header to suit your needs.
Do exhaust headers increase sound?
While aftermarket headers won't make your car louder, they will improve your overall sound quality. If you were to compare the sound of a revving engine with an exhaust manifold versus a high-performance header, you'd be able to notice the tonal difference immediately.
How do exhaust headers improve performance?
During the exhaust stroke in the engine, the piston pushes exhaust gases out of the cylinder. If the piston has to push against back pressure, the engine wastes power. Headers let the engine push exhaust gases out of the cylinders more easily. An exhaust header gives each cylinder its own separate exhaust pipe.
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