40mm Turbo Smart waste gate with plumbing for gate to hot pipe, 3" Fabricated Y-Bridge with flex v-band connection, Coolant tank kit with low coolant sensor, All mounting hardware, boots, & clamps, Dry air filter, Cold Pipe Between Chargers V-Banded on Both Ends, Hot and cold side 3" Inter cooler pipes, Stainless steel oil feed and drain lines for both turbos, Waste gated T4 Pedestal, Hot Pipe, Down Pipe, Heat Wrap, Powder coating All Plumbing & High Temp Coating on Hot Side pipes.