This listing covers model years 1967, 1968, and 1969 Firebird’s with the stock V8 and stock dual exhaust.
Photos depicts the exhaust system for MY’s 1967-68 Firebirds stock V8 (except 400HO & Ram Air).
- Dual exhaust system consists of the LS/RS exhaust pipes, LS/RS resonators, LS/RS connector pipes, dual in/dual out transverse muffler, and LS/RS tailpipes.
- The system for the Non HO or RA engines starts out at 2″OD, increases to 2¼”OD at the connector pipes, then decreases back to 2″OD.
- The system exhaust pipes for HO & RA engines are 2¼”OD flared to 2½”OD at the manifolds, connector pipes are 2¼”OD and then reduces to 2″OD on the tailpipes.
- Regarding HO & RA setups: We are no longer able of offer the stock cast iron flanges. The exhaust pipes will come with universal flanges. If you have the stock cast iron flanges, keep them and reuse them.