LeoVince Exhaust Header KTM 390 Adventure / Husqvarna 401 LeoVince headers embody a fusion of top-tier racing insights and cutting-edge technology, tailored through extensive competition experience. Each header set is dyno-tuned to unlock peak performance, ensuring significant power and torque enhancements. Crafted from high-grade 304 stainless steel and perfected with TIG welding, these exhausts offer a perfect blend of durability, lightness, and aesthetics, resonating with an unparalleled sound quality. Features: Aisi 304 stainless steel construction TIG welded Eliminates catalytic converter Increased power and torque Reduced weight compared to stock Compatible both with stock exhaust and LeoVince slip-ons