Will be installing new dual pipes from mid-america to my 81, with flowmater deltaflow 40's, Where can I purcahsed the connection elbows and turn downs. The existing ones are welded to the old muffler (stock I think).
Dr..... I took mine to a custom muffler shop and had them weld up everything to Flowmaster Delta 50's. Awesome sound! You will be pleased with the results. Did you also get a H-pipe too? Will help equalize some of the pressure.
Good Luck............... Nut
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