Seibon OEM-style carbon fiber hood for 1996-2001 Audi A4 (HD9601AUA4-OE) 1642 a dual channel wideband controller

a dual channel wideband controller and a state-of-the art engine management system in one powerful device we call a VCU (Vehicle Control Unit)

GrimmSpeed engineers created a 3D model of the intake system and fender area in order to optimize each of these variables

Genuine 2x2 carbon construction

Why not protect that investment with a Takeda Pre-Filter

Improves under and oversteer balance

Seibon OEM-style carbon fiber hood for 1996-2001 Audi A4 (HD9601AUA4-OE) 1642 a dual channel wideband controllerThe Seibon OEM style carbon fiber hood for 1996 2001 Audi A4 is engineered for performance with up to 50% weight reduction compared to the original panel. Crafted using a one piece carbon fiber sheet, this hood features a consistent weave pattern supported by a fiberglass skeleton integrated into the mold for enhanced strength and durability. Glossy clear coat finish resists chipping and flaking for lasting appearance Aerodynamic design tailored for