Real-world Results: Testing a Magnaflow Cat-back Exhaust on a 280z for 20+ Hp and Better Sound ($1,000)

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The Nissan 280Z is a classic sports car that has captivated enthusiasts for decades. One of the most popular upgrades for this vehicle is the installation of a performance exhaust system. In this article, we will explore the real-world results of testing a Magnaflow Cat-back exhaust on a 280Z, focusing on the performance gains and the sound improvement it offers.

Why Upgrade to a Magnaflow Cat-back Exhaust?

Upgrading to a Magnaflow Cat-back exhaust can provide several benefits for your 280Z, including:

  • Performance Gains: Expect to see an increase in horsepower and torque.
  • Improved Sound: A deeper, more aggressive exhaust note enhances the driving experience.
  • Weight Reduction: Performance exhaust systems are often lighter than stock systems.
  • Enhanced Aesthetics: A polished exhaust tip adds a sporty look to your vehicle.

Installation Process

Installing the Magnaflow Cat-back exhaust on a 280Z is a straightforward process that can typically be completed in a few hours. Here’s a brief overview of the steps involved:

  • Gather Tools: You’ll need basic hand tools such as wrenches, sockets, and a jack.
  • Lift the Vehicle: Safely lift the car using jack stands.
  • Remove the Old Exhaust: Unbolt the stock exhaust from the manifold and remove it from the vehicle.
  • Install the New Exhaust: Position the Magnaflow Cat-back exhaust and secure it in place.
  • Check for Leaks: Start the engine and inspect for any exhaust leaks.

Performance Testing

After installation, we conducted performance tests to measure the horsepower gains from the Magnaflow Cat-back exhaust. The tests were performed on a dyno to ensure accuracy.

Before and After Dyno Results

Before the installation of the Magnaflow exhaust, the 280Z produced approximately 150 horsepower at the wheels. After the installation, the dyno showed impressive results:

  • Before Installation: 150 HP
  • After Installation: 172 HP
  • Horsepower Gain: 22 HP

Sound Comparison

One of the most noticeable differences after installing the Magnaflow Cat-back exhaust is the sound. The stock exhaust on the 280Z is relatively quiet, while the Magnaflow system provides a much more aggressive tone.

Sound Levels

We measured sound levels using a decibel meter at idle and during acceleration:

  • Stock Exhaust at Idle: 70 dB
  • Magnaflow Exhaust at Idle: 80 dB
  • Stock Exhaust at Full Throttle: 85 dB
  • Magnaflow Exhaust at Full Throttle: 95 dB

Cost vs. Value

The Magnaflow Cat-back exhaust system for the 280Z is priced around $1,000. Considering the performance gains and sound improvement, many enthusiasts find this upgrade to be a worthwhile investment.

  • Performance Improvement: 22 HP gain is significant for a naturally aspirated engine.
  • Sound Quality: The aggressive tone enhances the driving experience.
  • Build Quality: Magnaflow is known for durable and high-quality exhaust systems.

Conclusion

In conclusion, the Magnaflow Cat-back exhaust is an excellent upgrade for the Nissan 280Z. It provides substantial horsepower gains, an improved sound profile, and is built with quality in mind. For enthusiasts looking to enhance their driving experience, this exhaust system is a worthy investment.