BMW E46 Diffuser Flat Floor (Non-M)

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The E46 Diffuser & Flat floor is engineered to optimize your vehicle's aerodynamics by enhancing airflow beneath the car and reducing drag. It's designed to close the air gaps on t he underbody, between the subframe and the rear bumper. With only the diffuser fins visible from the rear, the design remains subtle and fitting to the E36 body. The diffuser is built out of lightweight 1.5mm thick aluminium, making the total weight of the rear diffuser 2155 grams! With extension 3681 grams. The parts are powdercoated in a satin black finish for durability and aesthetics. The diffuser is compatible with both sedans and coupes and fits all oem E46 rear bumpers and most exhausts. Includes install guide and all required hardware with spares. We offer two versions: Rear diffuser Flat floor package - includes extension (see photos) Material properties and strength analysis Show more