Engineered and originally produced by Wagner Tuning, these manifolds are now made by L&S cartec to the original rs2 exhaust manifold material specifications. Fits all original 20v turbo audi i5 applications including S4, S6, S2, 200q20v and RS2 with all stock components (turbo, airbox, downpipe). High flow design. Available with KKK or T3 flange. please chose your desired option from the list below.