TA Performance Products, Inc. is the World leader in Buick V8 high performance parts. They specialize in Buick. The Buick Power Providers. TA Performance is also the producer of the Rear differential Girdles, as well as 2.5" & 3" Mandrel Bent Exhaust Systems for GM Muscle Cars. TA Performance manufactures several of their products in house on a CNC machines, such as TA Performance Intake Manifolds, Block Girdles, Game Pads, and Valve Covers, to name