BD Diesel Module - Idle Verifier (DFIV) 1998-audi-a4-quattro-avant-esi7945533 Only use daytime running feature

Only use daytime running feature in accordance with local laws

Measured Flow: 745 CFM @ 7" H2O

The serrated/helix combination design also reduces intake whistle that occurs with helix-only designs (US PAT 07055513)

Ultra-lightweight

BD Diesel Module - Idle Verifier (DFIV) 1998-audi-a4-quattro-avant-esi7945533 Only use daytime running featureBD Diesel Performance is unique among its peers in that it designs, manufactures and distributes a wide range of products specifically engineered for performance diesel applications. Located in Abbotsford, British Columbia, Canada, BD's state of the art facility covers 65,000 square feet, and employs 60 plus highly trained individuals. The BD name became recognized in 1989, when the company introduced the first exhaust brake for the burgeoning diesel