dbr titanium exhaust manifold husqvarna fe from 2020 to 2023The DBR Titanium exhaust manifold with Powerbomb technology is the ultimate upgrade for the Husqvarna 450cc FE from 2020 to 2023. Designed for riders who demand the most from the most powerful single cylinder in its class, this component combines extreme lightness with flow management derived from rally and supermoto competitions. Thanks to the integrated Powerbomb expansion chamber, the DBR manifold acts on exhaust gas backpressure, ensuring a