Semi-Peripheral Porting

Goopy Performance Verified independent store

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Semi-peripheral port housings offer a great compromise between increased power and everyday drivability. By combining traditional side intake ports with peripheral ports, airflow i mproves dramatically at high RPM while retaining a better idle and more low-end torque compared to a full peripheral port. The semi-peripheral port also creates the iconic "brap" sound at idle. $525.00 for 2 housings (service only, housings not included). Show more