Heavy 400 stainless replaces crack-prone stock piece; bolts on. Thick 5/8 inch flange is double welded, machined dead flat and precisely fitted to resist warping and cracking. With more power, quicker acceleration and tougher construction than ever, the Banks TorqueTube for the Jeep 4.0 liter out muscles any competitive exhaust manifold: period! Made from super-durable, mandrel-bent 409 stainless steel tubing and sporting a 5/8 inch-thick precision ported and machined flange. Powering through the roughest terrain is no longer a question. And cracking... a thing of the past when you arm your Jeep with Banks TorqueTubes. Banks TorqueTube Manifold features: Non-deforming manifold outlet seal, Self-aligning exhaust seal will never compress or blow out, Bolts easily to stock exhaust, Manifold tubes fully welded. Each tube is welded to the flange twice, inside and out, Super-duty manifold flanges, 5/8 inch thick flanges never warp or crack, Computer-controlled machining, Precision port-match to cylinder head, Unrestricted Exhaust Ports, Tubes sized and shaped to match cylinder-head exhaust port, Precision-milled manifold flange, Milled dead-flat after welding (for durability and a perfect seal every time), Stainless Steel Sustains exposure to ultra-high temps for superior durability, Mandrel-bent tubing for better airflow
Heavy 400 stainless replaces crack-prone stock piece Bolts on 5/8 inch thick flanges won't warp or flex Emissions compliant: CARB EO D-161-78
Heavy 400 stainless replaces crack-prone stock piece;Bolts on;5/8 inch thick flanges won't warp or flex;Emissions compliant: CARB EO D-161-78
2000-2006 Wrangler, 2000-2001 Cherokee, 1999-2001 Grand Cherokee