Made from 1.5" thick wall 304 stainless steel, backpurged, and tig welded. Comes with our signature 4-1 design, 2 piece v banded downpipe, and 1.75" dumptube. Fits up to a precision 6766/ Xona Rotor 95/67, and Garret 3584. These hot parts kits are built to order. Please allow 6-8 weeks for delivery.