Exhaust manifold (tuning). Spider 4-2-1. For installation on cars VAZ 2108-21099, 2113-2115, equipped with an eight-valve engine. A nut for an oxygen sensor is welded into the collector. The diameter of the primary pipes is 38 mm (4 pipes), the diameter of the secondary pipes is 43 mm (2 pipes), the diameter of the outlet pipe is 51 mm (1 pipe).