Most alfa owner replace silicon inlet hose and not notice the gap between the throttle body and hose ,and that cause the airflow interference.
The HPR trumpt ring makes smooth airflow ,fast throttle response . Good for racing and road driving.
Easy installing
Customer feedback : " VERY GOOD PRODUCT, Fast response , AWESOME!!!"
Now available for 2.5/3.0/3.2 electronic throttle body.
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