Catted vs. Catless Downpipe Street Comparison
Background: During the tuning of the Mabotech M520 turbocharger, a point was reached where the turbocharger wastegate duty cycle began to increase, indicating that the power supplied by the turbine was nearing a maximum for the hardware configuration. The exhaust configuration was changed from a catted downpipe to a catless downpipe to facilitate more power […]
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