The MBRP GP012 front exhaust pipe is designed for 2001-2004 Chevrolet Silverado and GMC Sierra 2500HD/3500HD trucks equipped with the 6.6L Duramax LB7 diesel engine.
This 4-inch mandrel-bent front exhaust pipe improves exhaust flow and helps reduce backpressure compared to restrictive factory piping.
Designed to pair with MBRP downpipe-back and cat-back exhaust systems, the GP012 provides improved exhaust efficiency, smoother flow characteristics, and reliable fitment for Duramax performance and towing applications.
FEATURES
- 4-inch mandrel-bent front exhaust pipe
- Designed for 2001-2004 Duramax LB7 applications
- Helps reduce exhaust backpressure
- Improves exhaust flow efficiency
- Compatible with MBRP exhaust systems
- Direct-fit installation design
- Ideal for towing and performance applications
FITMENT
- 2001 Chevrolet Silverado 2500HD 6.6L Duramax LB7
- 2001 Chevrolet Silverado 3500 6.6L Duramax LB7
- 2002 Chevrolet Silverado 2500HD 6.6L Duramax LB7
- 2002 Chevrolet Silverado 3500 6.6L Duramax LB7
- 2003 Chevrolet Silverado 2500HD 6.6L Duramax LB7
- 2003 Chevrolet Silverado 3500 6.6L Duramax LB7
- 2004 Chevrolet Silverado 2500HD 6.6L Duramax LB7
- 2004 Chevrolet Silverado 3500 6.6L Duramax LB7
- 2001 GMC Sierra 2500HD 6.6L Duramax LB7
- 2001 GMC Sierra 3500 6.6L Duramax LB7
- 2002 GMC Sierra 2500HD 6.6L Duramax LB7
- 2002 GMC Sierra 3500 6.6L Duramax LB7
- 2003 GMC Sierra 2500HD 6.6L Duramax LB7
- 2003 GMC Sierra 3500 6.6L Duramax LB7
- 2004 GMC Sierra 2500HD 6.6L Duramax LB7
- 2004 GMC Sierra 3500 6.6L Duramax LB7
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