2001-2007 GM Chevrolet Duramax 6.6L Turbo Back Exhaust. Great Deal for the Money! 4" Aluminized Steel tubing. Includes everything necessary from the turbo back including all new hangers. Downpipe is 4" and then it runs 4" all the way to the tail. This kit is a straight pipe system that does not come with a muffler for the ultimate in Diesel Performance. Picture for representation purposed only. This system deletes the catalytic converter. Tip Not Included! Fits all cab and bed sizes.

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