AFE 49-44001 Large Bore HD 4” Cat Back Exhaust System

2001-2005 GM 6.6L Duramax (LB7/LLY)

Part #: AFE49-44001

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The AFE 49-44001 Large Bore HD 4” Cat Back Exhaust System for the 2001- 2005 GM 6.6L Duramax is engineered to perform in the most extreme environments. This system is constructed from mandrel bent 4" stainless steel tubing for maximum flow, increased horsepower, increased torque and lower EGT's. This system is available in 4" cat-back with muffler. Large Bore-HD exhaust systems are the perfect combination of performance, fit and value.

Features:

409 Stainless Steel

4” Mandrel Bent Tubing

Free-Flowing 24" Muffler For Powerful Sound

OE-Style Band Clamps for Leak Free Seal

Uses Factory Mounting Locations Easy Bolt-On Installation

Cat-Back

Made in the USA

Applications:

2001-2005 GM 6.6L Duramax (All Cabs & Beds)

YEAR	MAKE	ENGINE
2001	Chevy	6.6L LB7 Duramax
2002	Chevy	6.6L LB7 Duramax
2003	Chevy	6.6L LB7 Duramax
2004	Chevy	6.6L LB7 Duramax
2004.5	Chevy	6.6L LLY Duramax
2005	Chevy	6.6L LLY Duramax
2001	GMC	6.6L LB7 Duramax
2002	GMC	6.6L LB7 Duramax
2003	GMC	6.6L LB7 Duramax
2004	GMC	6.6L LB7 Duramax
2004.5	GMC	6.6L LLY Duramax
2005	GMC	6.6L LLY Duramax