Project MX-3 - DYNO 2

Above is the graph from three dyno runs. Below is the state of the car at each dyno test.

• 1. Mazdaspeed exhaust (which was designed for the 1.8L engine) and KL-ZE cold ECU.
• 2. Mazdaspeed exhaust (which was designed for the 1.8L engine) and KL-ZE warm ECU.
• 3. KL-ZE ECU warm, with Mazdaspeed exhaust removed.

All runs had HKS intake, Hurricane headers, Random Technology High flow catalytic converter and of course a 2.5L KL-ZE engine installed in the car.

We still feel the car is running about 5-10 HP too low considering the complete exhaust system. The Mazdaspeed exhaust is a bit more restrictive on the larger 2.5L engine. However it is still far less restrictive than the factory exhaust.


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