VW Volkswagen Vanagon TiiCo Post #2. Here’s the dual output 6-bolt cast exhaust manifold – no O2 sensor. I know it fits 1.8 gas and 1.6 diesel heads, perhaps more? Manifold is stamped ROH 1HS-253-033B.
VW Vanagon Inline-4 TiiCo 6 bolt Dual Output Exhaust ManifoldApril 26, 2012