JUST GOT A 2006 FREIGHTLINER CENTURY WITH 14L 60 SERIES DETRIOT, TURBO CLAMP WAS LOOSE, BOTH FLEX PIPES LEAKED WITHIN 2 MONTHS, EXHAUST MANIFOLD ON ENGINE WOULD NOT SEAL, CLAMPS ON INTAKE ON LEFT SIDE OF ENGINE WERE LOOSE CREATING EXHAUST LEAK. NEW MANIFOLD WILL NOT SEAL. *NM