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Published on Jun 27, 2013
With the turbo manifold finished and the turbocharger installed, it seemed logical to continue on that route and finish the rest of the exhaust. So in part 26 of my '76 Mazda Cosmo Restoration, I do just that. Starting with the downpipe, I build the full stainless steel exhaust piece by piece to include a catalytic converter, resonator, middle muffler and rear muffler. It was a bit of challenge to fit all that equipment under a car never designed to contain it, however I believe I have achieved my goal of an above OEM quality, long lasting and quiet exhaust system. In this episode you'll see me: build a downpipe, cut and fit tubing, weld to a v-band, build a midpipe with O2 sensor bung and flanges, position exhaust components, cut tubing bends to fit resonator and mufflers, loads of TIG welding, set up exhaust hangers.