Meat looks really good, but you can tell by the grain pattern and shape those are not tri tips. Some other cut of sirloin roast. I'd hit it hard anyways.
Modded Brinkmann Gourmet. Basic UDS. Rescued 22.5" OTS. SJS Mini-WSM. Stubbs. B&B Oak Lump.
Cannondale 2009 F8 (for burning off all the great BBQ)