Volant Closed Box Air Intake - Reusable Oiled Filter - Black - Ford V10 - Ford Fullsize SUV / Truck 1999-2005 GMR2-PLUS They are manufactured with the

They are manufactured with the same high quality materials and workmanship you will find in any Hedman Hedder

1976-1985 Chevrolet G30

Upright Diameter: 3/4"

1981-1996 Oldsmobile 98

Volant Closed Box Air Intake - Reusable Oiled Filter - Black - Ford V10 - Ford Fullsize SUV / Truck 1999-2005 GMR2-PLUS They are manufactured with theVolant air intake systems utilize a high velocity venturi filter adapter which provides a smooth transition through the MAF sensor into the intake tube for a much needed airflow improvement over the factory rubber tubing and resonator box. Volant's Cool Air box is larger than the factory unit and incorporates a larger opening to collect a higher volume of colder ambient air. This model includes a Pro 5 filter which gets reoiled every 10,000 miles and