05-06 FORD F-250/350 Cat Back Split Rear Exhaust Installation Instructions
When installing this exhaust system make sure to use proper safety precautions. Use jack stands when working under the vehicle, set parking brake, block tires and use safety glasses and gloves. Allow exhaust to cool before attempting installation. Severe injury or burns could occur if safety measures are not taken. Disconnect the negative battery cable before removal of OEM exhaust. This will allow the computer to reset and recognize the new exhaust. Lay out the exhaust on the floor so it looks like the drawing and compare parts with manual.
1. To remove the stock exhaust remove it from the clamp located in front of the stock muffler. Disengage the welded hangers using WD-40 from the OEM rubber grommets. Do not damage or remove the rubber grommets as you will re-use them to mountyour new system. Now, cut off tailpipe and remove exhaust.
2. Install head pipe #A onto your existing stock front pipe and attach with clamp #G. Use a jack stand to support the converter. Insert welded hanger into rubber grommet.
3. Install muffler #B onto head pipe #A 1½”-2” with the louvers facing towards the converter. Use a jack stand to support the muffler. Use clamp #G to secure the muffler to the headpipe. Do not tighten. Muffler inlet is looking into the louvers.
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