Borla Miata Headers Review: Sharp Sound and Improved Horsepower on the Dyno

The Borla Miata headers have become a popular choice among automotive enthusiasts looking to enhance the performance and sound of their Mazda Miata. This review will delve into the features, benefits, and performance metrics observed on the dyno, providing a comprehensive look at why these headers are a worthy investment for any Miata owner.

Overview of Borla Miata Headers

Borla has a long-standing reputation for producing high-quality exhaust systems and headers. The Miata headers are designed specifically to improve exhaust flow, which is crucial for increasing horsepower and torque. The headers are made from durable materials that can withstand high temperatures and corrosive environments.

Key Features

  • Stainless steel construction for durability
  • Mandrel-bent tubing for smooth exhaust flow
  • Direct bolt-on installation for ease of use
  • Improved sound quality with a deep, aggressive tone
  • Compatible with both NA and NB Miata models

Performance Improvements

One of the most significant benefits of upgrading to Borla headers is the noticeable improvement in horsepower and torque. On the dyno, many users have reported gains of up to 10-15 horsepower, depending on the specific Miata model and other modifications.

Dyno Results

In controlled dyno tests, the Borla headers demonstrated a consistent increase in power across the RPM range. The following results illustrate the performance enhancements:

  • Before Installation: 95 horsepower at the wheels
  • After Installation: 108 horsepower at the wheels
  • Torque Increase: 8 lb-ft increase at peak torque

Sound Quality

Beyond performance, the sound produced by the Borla headers is a key selling point. The headers provide a sharp, aggressive tone that many Miata enthusiasts crave. The sound is deep and throaty without being overly loud, making it suitable for daily driving while still turning heads.

Installation Process

Installing the Borla Miata headers is relatively straightforward, especially for those with some mechanical experience. The headers are designed to be a direct bolt-on replacement for the factory headers, which simplifies the installation process.

Tools Required

  • Socket set
  • Torque wrench
  • Jack and jack stands
  • Exhaust gasket (recommended)

Step-by-Step Installation

Follow these steps for a successful installation:

  • Lift the vehicle securely using a jack and jack stands.
  • Remove the factory headers and exhaust components.
  • Clean the mating surfaces to ensure a good seal.
  • Install the Borla headers using new gaskets.
  • Reattach the exhaust system and check for leaks.

Conclusion

The Borla Miata headers are an excellent upgrade for those seeking improved performance and sound from their Mazda Miata. With robust construction, easy installation, and impressive dyno results, these headers offer a significant enhancement that is hard to overlook. Whether you are a casual driver or a dedicated enthusiast, the Borla headers are sure to elevate your driving experience.