BD Diesel Module - Idle Verifier (DFIV) 1998-audi-a4-quattro-avant-esi7945533 get on the highway and

get on the highway and choose from one of 30 Master Torque Response Curves to achieve your desired mid-range punch

Only use daytime running feature in accordance with local laws

Replaces Old Rusted and Leaking Stock Exhaust Manifolds

Lift kit which provides more ground clearance

BD Diesel Module - Idle Verifier (DFIV) 1998-audi-a4-quattro-avant-esi7945533 get on the highway andBD 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