Stainless Steal Header Manifold For Chevy S10 (1996-2001) with 4.3L V6 EngineThe 4. 3L Vortec is one of GM's most durable enginesessentially a 350 V8 with two cylinders lopped offbut it spends its life trying to breathe through a straw. If you own an S10, you know the sound: that rhythmic ticking on cold starts from a cracked cast iron manifold. It's not just annoying; it's a sign that your factory exhaust system is robbing you of power and efficiency. Stainless Steel Exhaust Header Manifold for Chevrolet S10 (4. 3L Vortec