Are Headers Worth It?
A video on YouTube. In Cars, a Krater category.
Watch on YouTubeSummary by Krater
The host installs a 4-1 aftermarket exhaust header on a Mazda Miata and tests it on a dyno to see if it delivers the expected horsepower gains.
From the video
Answers: Do aftermarket exhaust headers increase horsepower on a Mazda Miata?
- installing aftermarket exhaust headers on Mazda Miata
- dyno testing 4-1 headers
- exhaust scavenging and engine performance
What it concludes
- A 4-1 header is best for making peak horsepower at high RPMs, though it can sacrifice some low-end and mid-range torque.
- A tri-y header generally provides good all-around performance and gains in mid-range torque, but might sacrifice top-end power.
- Installing a 4-1 header on the Mazda Miata added around 4 horsepower to peak power and improved mid-range power delivery.
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