MBRP 06-07 Duramax 4" Cat Back, Cool Duals, AL
4" Cat Back, Cool Duals, AL MBRP systems are as much fun to install as to drive with on your truck. Bolt-on, no weld design makes installing this on your truck a no hassle one and a half to two hour project. Everything is direct fit to the OEM hangers and you get all the clamps and parts you will need, all in one box, no matter what configuration of truck you have.
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