Maniflow Tubular manifold
Triumph: Spitfire MK3, MK4 and 1500 (1967-80)
1.3/4" big bore type, mild steel. This manifold will link to exhaust systems 492937 and 492938
These manifolds and exhaust systems are made of top quality mild steel. We have done this to eliminate the resonance caused when using stainless steel. They are manufactured to the highest tolerances and specification, special attention is paid to all joints, welds, bends and Y section radius venturi, to create the correct back-pressures and ultimate gas-flow.
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