Download Removal of stock system: 1. Loosen the nut on the band clamp located behind the catalytic converter using a 15mm wrench or socket. 2. If a hoist is being used for the installation, the original exhaust system can be removed in one piece by removing the passenger side shock. If a hoist is not being used the tail pipe must be cut behind the muffler to be removed. 3. Remove the muffler and tail pipe from the OEM rubber hangers and separate the stock exhaust at the slip joint located behind the catalytic converter and remove the muffler and tail pipe from under the truck. Re-install the passenger side shock. 4. Remove the catalytic converter by removing the two nuts holding the inlet flange together using a 15mm wrench or socket. 5. Remove the down pipe from the turbo by removing the band clamp using an 11mm socket. Retain the band clamp for the installation of the new down pipe. Cut the down pipe in front of the transmission cross member to remove. (Note: The stock down pipe can be removed in one piece by removing the transmission cross member.
Home Auto Repair Installation Instructions Removal of stock system Ford Excursion 7.3L Powerstroke Diesel 1999-2003