LB7 Duramax Exhaust Systems

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.

4 Items

**LB7|LLY Duramax Large Bore HD 4 Inch CAT Back Exhaust AFE 49-14001** $660.00
Fits: LB7|LLY Duramax - 2001-2005

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**LB7|LLY Duramax Large Bore HD 4 Inch CAT Back Exhaust AFE 49-44001** $808.00
Fits: LB7|LLY Duramax - 2001-2005

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**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)

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**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)

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