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Jeep Grand Cherokee Chassis Dyno Testing

Project Grand Caddy was chassis dyno-tested before and after the Doug Thorley header and exhaust systems were installed. A definite increase in power was recorded on the second run after installation.
Jeep Grand Cherokee - Easy Power With Doug Thorley

Project Grand Caddy was chassis dyno-tested before and after the Doug Thorley header and exhaust systems were installed. A definite increase in power was recorded on the second run after installation.  View Related Article