MBRP GKAL001 2006-2007 GM Duramax 4" to 5" Front pipe kit (Cat Delete) for 5" cat back exhausts
MBRP GKAL001 2006-2007 GM Duramax 4" to 5" Front pipe kit (Cat Delete) for 5" cat back exhausts
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4" - 5" Cat Delete pipe
Aluminized Steel
Lowers EGT's
Increases HP
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