Parts & Accessories Spare parts For sale: exhaust cut-out with 3-inch exhaust. Fits Sequoia, Lexus 570, VXR 5.7. The muffler is F1, curved, and has two valves installed. Comes with the control unit and works with a remote. Installed on the cat-back is a sound-dampening muffler for when the cut-out is closed. Installed with a Bosch wideband sensor (wires included, display gauge not included). Price is by offer, and the sale is negotiable.