2001-2007 DURAMAX 6.6L 4“ Dp-Back DPF Delete Race Pipe
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How it Installation?
Installation instructions
Step 1 :
Loosen the flange that secures the downpipe and DPF/exhaust pipe assembly. Remove all factory plugs and ventilation holes from the diesel particulate filter, tie them to the truck frame or remove them from the clamp connection.
Step 2 :
Install the drain pipe using the original fixture and connect the drain pipe flange. Press thedownward flange to secure the pipeline, but the pipeline can still move.
Step 3 :
1.Install pipe #2 Connect one end of the sloping surface to the tail end of the # 1 downpipe and tighten it loosely with a fixture.
2.Connect the U-shaped tube of the pipe #3 to the end of the pipe #2 , and loosely clamp it with a fixture.
Step 4 :
Install the muffler replacement pipe #4 in front of the #6 axle pipe and the #7 tailpipe, and select the appropriate extension pipe #5 according to the wheelbase. Cut the extension pipe according to the needs of the vehicle body.
Step 5 :
Starting from pipeline #1, tighten the vortex band clamp and continue tightening until the rear connection is reached, checking the gap during tightening.
Step 6 :
1.Install the bracket. The M10 bolt will be screwed into the support bolt. Secure the transmission dipstick to the bracket using 1/4-20 bolts, nuts, and washers.
2.The bracket will hold the coolant hose connector in place.
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