JBA 1526SJT 1-1/2" Shorty Stainless Steel Titanium Ceramic Exhaust Header for Jeep Wrangler/Cherokee 4.0L 91-99 Mandrel bent stainless steel tube Patented JBA Firecone collector Factory style emission connections Extra thick collector domes 3/8 inch thick CNC laser-cut flanges with oversized exhaust ports