Maniflow Exhaust system
Triumph: Spitfire MK3, MK4, 1500
1.3/4" big bore twin silencer type, mild steel. This exhaust will link to tubular manifold 4616
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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