CNC Mandrel bent 304L stainless 3" 18 gauge tubing. Chambered 3 1/2" front section and 3" rear sections. Rear pipes merge into high flow merge collector for optimal flow and no interior drone. Sold standard with 3 1/2" slash cut tips. Y-Tips or wide oval tips available-add 100 93-02 F-Body, Lt1/Ls1