SBF Trickflow Track heat vs Bigdogs Stage 2 Explorer gt40 manifold all around comparison

We all know about the TFS track heat 5.0 manifold and how well it works on the sbf application. So how does Bigdogs Porting ported Stage 2 Manifold fare against one of the better aftermarkets? Check out this video. It eliminates any questions on both manifolds flow numbers. Follow us on Facebook at Bigdogs Porting