Installation Instructions for Systems; S6000304, S6000409, S6000AL 01-05 Chev/GMC 6.6L Duramax Diesel Extended Cab Short & Long Bed Crew Cab Short & Long Bed Removal of Stock System: 1. Apply a penetrating lubricant liberally to all exhaust fasteners, hangers and rubber insulators. 2. Using a 15mm socket or wrench, disconnect the factory exhaust system at the four bolt flange located behind the catalytic converter.
. Position Extension Pipe as shown and loosely install the Hanger Clamp with the shortest hanger. Refer to Figure 4. This will support the Extension Pipe during the Muffler installation. Figure 4 4. Crew cab & extended cab long bed trucks require the use of the 18" Extension Pipe provided. This is to be positioned between the Muffler and the Extension Pipe. Refer to Figure 5. The 18” Extension Pipe is not required with short box trucks. Figure 5 5. Install the Muffler onto the Extension Pipe.
10. Install provided clamps around pipes where needed. Adjust tail pipes and check along the whole length of the exhaust system to ensure that there is adequate clearance around the spare tire, fuel and brake lines or any wiring. If any interference is detected relocate or adjust. 11. Make sure the exhaust is in place before tightening clamps. Start at the front of the exhaust system and begin tightening all connections. 12. Install and adjust Tip to suit.
