Supernova remnants (SNRs) offer the means to study supernovae (SNe) long after the original explosion and provide a unique insight into the mechanism that governs these energetic events. In particular, the deviations from spherical symmetry observed in many SNRs can be compared to predictions from recent 3D simulations to further our understanding of SN physics. In this talk, I will discuss using X-ray imaging and spatially resolved spectra of SNRs to probe ejecta metals synthesized in SNe and provide insights to explosion mechanisms and neutron star kick velocities. In the near future, X-ray microcalorimeters will revolutionize SNR science, revealing the three-dimensional distribution of ejecta metals for direct comparison to hydrodynamical simulations.
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