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    LB7 Duramax Exhaust Systems


    LB7 Duramax Exhaust Components
    LB7 Duramax Exhaust Components
    LB7 Duramax Downpipes
    LB7 Duramax Downpipes
    LB7 Duramax Exhaust Brakes
    LB7 Duramax Exhaust Brakes
    LB7 Duramax Exhaust Tips
    LB7 Duramax Exhaust Tips
    Improve power, sound, and emissions with LB7 Duramax exhaust systems designed for 2001–2004 6.6L Duramax engines. From headers and downpipes to mufflers and complete exhaust kits, these components enhance airflow and performance while providing a deep, aggressive diesel tone. Upgrade your truck with durable, high-quality exhaust parts built for long-lasting use.

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    LB7|LLY Duramax Large Bore HD 4 Inch CAT Back Exhaust AFE 49-14001
    LB7|LLY Duramax Large Bore HD 4 Inch CAT Back Exhaust AFE 49-14001 $689.85
    Fits: LB7|LLY Duramax - 2001-2005
    LB7|LLY Duramax Large Bore HD 4 Inch CAT Back Exhaust AFE 49-44001
    LB7|LLY Duramax Large Bore HD 4 Inch CAT Back Exhaust AFE 49-44001 $848.40
    Fits: LB7|LLY Duramax - 2001-2005
    Duramax 2001-2005 4 Inch Performance Series CAT-Back Exhaust System MBRP S6000P
    Duramax 2001-2005 4 Inch Performance Series CAT-Back Exhaust System MBRP S6000P $484.99
    Fits: Duramax 2001-2005 (W/ Catalytic Converter) (Fits All Crew & Extended Cabs)
    Duramax 2001-2005 4 Inch Installer Series CAT-Back Exhaust System MBRP S6000AL
    Duramax 2001-2005 4 Inch Installer Series CAT-Back Exhaust System MBRP S6000AL $604.99
    Fits: Duramax 2001-2005 (W/ Catalytic Converter) (Fits All Crew & Extended Cabs)
    Duramax 2001-2005 Monster Sport Exhaust System Banks 48770
    Duramax 2001-2005 Monster Sport Exhaust System Banks 48770 $498.89
    California Restricted
    Fits: Duramax 2001-2005 (W/ Catalytic Converter) (Fits Extended Cab & Crew Cab, Short Bed)