Welded Systems Exhaust - Intermediate Pipe Replacement
Number: 86-109Section: 6F
Date: July 1986
Subject: INTERMEDIATE PIPE REPLACEMENT
ON ALL WELDED EXHAUST SYSTEMS
MODEL AND YEAR: 1985-86 CAVALIER AND CELEBRITY
TO: ALL CHEVROLET DEALERS
When replacing the intermediate pipe on an originally equipped welded system, a service muffler assembly will also be needed unless the system has been previously repaired. The intermediate replacement pipe outlet has the same outside diameter as the inlet of the original equipment muffler, thus the need for a service muffler with a larger inlet.