never find a complete solution to the exhaust fumes being pulled back into the cabin with the hood up (they all do that!) and the lower part of the manifold/exhaust system welds would always crack every few thousand miles or so. Librands stainless manifold and a home made side exit exhaust. Job done...... 
"Y mae dafad ddu ym mhob praidd"
1972 4/4, 1981 MGBGT, 1984 FLHT1340, 1980 XLH1000, 1990 ZX10
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