BMW E30 325i M20 AFM Delete Tube – Airbox Intake Trumpet

Many air flow meter delete tubes are inefficient in design because they create a giant step at the entrance of the tube creating significant turbulance and losses. This design smooths out the airflow via a engineered trumpet at the entrance and a smooth transition to the exit at the rubber boot. If you want to build it once and build it right for maximizing airflow, then this is for you. More details below.... This E30 M20 air flow meter (AFM) delete tube fully replaces the air flow meter on an…

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