Re: 1970 GMC 1/2 Ton 350
First noteworthy mechanical upgrade in a long while. Replaced the rusted out 2.0" exhaust system. Installed 2.5" pipes, h-tube and Summit Racing 2-chamber "Race" Mufflers (Flowmaster 44 clones, 1/3 the price). Entire set-up ran me $266. Took me about 4 hours to remove the old exhaust and replace with the new. Very happy with the results.
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