Real-world Results: 1968 Plymouth Road Runner Gains 50 Hp with Mopar Performance Exhaust

The 1968 Plymouth Road Runner is a classic muscle car that has captured the hearts of automotive enthusiasts for decades. With its aggressive styling and powerful engine options, the Road Runner was designed for performance. In this article, we will explore how the installation of a Mopar Performance Exhaust system can enhance the performance of this iconic vehicle, resulting in a notable gain of 50 horsepower.

The 1968 Plymouth Road Runner: A Brief Overview

Introduced in 1968, the Plymouth Road Runner was built to be a no-frills, high-performance car. It was based on the Plymouth Belvedere and was designed to appeal to younger buyers looking for speed without breaking the bank. The Road Runner quickly became known for its robust engine options, including the legendary 383 cubic inch V8.

  • Engine Options: The Road Runner offered several engine choices, including a 383 V8 and the high-performance 426 Hemi.
  • Performance Focus: The car was marketed as a performance vehicle, emphasizing speed and power.
  • Iconic Design: With its distinctive styling, the Road Runner became a symbol of American muscle cars.

Mopar Performance Exhaust: An Overview

The Mopar Performance Exhaust system is engineered to improve the performance and sound of Chrysler vehicles. Designed for enthusiasts who want to maximize horsepower and torque, this exhaust system is a popular upgrade for classic muscle cars like the 1968 Road Runner.

  • Material Quality: Made from high-quality stainless steel for durability and corrosion resistance.
  • Improved Flow: The design enhances exhaust flow, reducing back pressure and improving engine efficiency.
  • Sound Enhancement: Provides a deeper, more aggressive exhaust note that complements the muscle car experience.

Real-World Performance Gains

After installing the Mopar Performance Exhaust system on a 1968 Plymouth Road Runner, real-world testing demonstrated a significant increase in horsepower. The following data illustrates the performance improvements observed:

  • Baseline Dyno Test: Initially, the Road Runner produced approximately 300 horsepower at the rear wheels.
  • Post-Installation Dyno Test: After the installation of the Mopar Performance Exhaust, the horsepower increased to 350 at the rear wheels.
  • Overall Gain: This results in a total gain of 50 horsepower, showcasing the effectiveness of the exhaust system.

Factors Contributing to Performance Improvements

Several factors contribute to the performance gains observed with the Mopar Performance Exhaust system. Understanding these factors can help enthusiasts make informed choices when upgrading their vehicles.

  • Exhaust Flow Dynamics: The design of the exhaust system allows for better flow dynamics, which reduces back pressure and enhances engine breathing.
  • Weight Reduction: The lightweight nature of the materials used in the exhaust system can contribute to overall vehicle weight reduction.
  • Tuning Potential: The improved exhaust flow allows for better tuning options, enabling the engine to perform at its best.

Installation Process

Installing the Mopar Performance Exhaust system on a 1968 Plymouth Road Runner is a straightforward process that can be completed with basic tools. Here’s a brief overview of the installation steps:

  • Gather Tools: Essential tools include a socket set, wrenches, and a jack or lift for the vehicle.
  • Remove Old Exhaust: Carefully remove the existing exhaust system, starting from the headers and working towards the rear.
  • Install New Exhaust: Position the Mopar Performance Exhaust system in place and secure it according to the manufacturer’s instructions.
  • Check for Leaks: After installation, start the engine and check for any exhaust leaks.

Conclusion

The installation of a Mopar Performance Exhaust system on a 1968 Plymouth Road Runner can yield impressive results, including a gain of 50 horsepower. This upgrade not only enhances performance but also improves the overall driving experience with a more aggressive exhaust note. For enthusiasts looking to maximize the potential of their classic muscle car, the Mopar Performance Exhaust is a worthwhile investment.