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2001-2007 6.6L Duramax LBZ LLY LB7 5" Downpipe-Back CAT Delete Exhaust System For Silverado Sierra 2500/3500HD 0
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2001-2007 6.6L Duramax LBZ LLY LB7 5" Downpipe-Back CAT Delete Exhaust System For Silverado Sierra 2500/3500HD 0
2001-2007 6.6L Duramax LBZ LLY LB7 5" Downpipe-Back CAT Delete Exhaust System For Silverado Sierra 2500/3500HD 1
2001-2007 6.6L Duramax LBZ LLY LB7 5" Downpipe-Back CAT Delete Exhaust System For Silverado Sierra 2500/3500HD 2
2001-2007 6.6L Duramax LBZ LLY LB7 5" Downpipe-Back CAT Delete Exhaust System For Silverado Sierra 2500/3500HD 3
2001-2007 6.6L Duramax LBZ LLY LB7 5" Downpipe-Back CAT Delete Exhaust System For Silverado Sierra 2500/3500HD 4
2001-2007 6.6L Duramax LBZ LLY LB7 5" Downpipe-Back CAT Delete Exhaust System For Silverado Sierra 2500/3500HD 5
2001-2007 6.6L Duramax LBZ LLY LB7 5" Downpipe-Back CAT Delete Exhaust System For Silverado Sierra 2500/3500HD 6
2001-2007 6.6L Duramax LBZ LLY LB7 5" Downpipe-Back CAT Delete Exhaust System For Silverado Sierra 2500/3500HD 0
2001-2007 6.6L Duramax LBZ LLY LB7 5" Downpipe-Back CAT Delete Exhaust System For Silverado Sierra 2500/3500HD 1
2001-2007 6.6L Duramax LBZ LLY LB7 5" Downpipe-Back CAT Delete Exhaust System For Silverado Sierra 2500/3500HD 2
2001-2007 6.6L Duramax LBZ LLY LB7 5" Downpipe-Back CAT Delete Exhaust System For Silverado Sierra 2500/3500HD 3
2001-2007 6.6L Duramax LBZ LLY LB7 5" Downpipe-Back CAT Delete Exhaust System For Silverado Sierra 2500/3500HD 4
2001-2007 6.6L Duramax LBZ LLY LB7 5" Downpipe-Back CAT Delete Exhaust System For Silverado Sierra 2500/3500HD 5
2001-2007 6.6L Duramax LBZ LLY LB7 5" Downpipe-Back CAT Delete Exhaust System For Silverado Sierra 2500/3500HD 6

2001-2007 6.6L Duramax LBZ LLY LB7 5" Downpipe-Back CAT Delete Exhaust System For Silverado Sierra 2500/3500HD

SKU: 2889MON2DP9US
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Quantity
2001-2007 6.6L Duramax LBZ LLY LB7 5" Downpipe-Back CAT Delete Exhaust System For Silverado Sierra 2500/3500HD
6.6L Duramax CCV PCV Reroute Delete Kit for 2004-2010 Chevy Silverado/GMC Sierra 2500/3500 HD LLY LBZ LMM | Vigor Diesel
2004.5-2005 6.6L Duramax LLY EGR Valve & Cooler Delete Kit with High Flow Intake Elbow for Silverado/Sierra 2500/3500 HD
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Total:
$0 $0

Exhaust Type
Downpipe-Back Exhaust
Pipe Diameter
4"
Fitment
2001-2007 Chevy/GMC Duramax Diesel LBZ LLY LB7 Silverado and Sierra pickup trucks.(Will not fit the Cab & Chassis)
Materials
T-409 Stainless Steel
Thickness
2mm
Engine
6.6L Duramax LBZ LLY LB7

  • Exhaust Restriction Removal: Replacing the factory exhaust eliminates flow limitations, allowing exhaust gases to exit more freely during competition or off-road diesel use.
  • Race-Only Design: Built without a muffler, this configuration prioritizes unrestricted exhaust flow for maximum performance in non-emissions-regulated applications.
  • Heat Management: Redirecting exhaust gases away from the engine helps reduce under-hood heat accumulation during extended high-load driving.
  • T409 Steel Build: Manufactured from T409 stainless steel, offering higher heat resistance and durability compared to standard OEM aluminized exhaust systems.

Benefits of DPF Delete
Cost Savings(1):
Eliminates DPF cleaning and maintenance costs. Improves overall fuel efficiency and reduces long-term expenses.
Performance Improvements:
Increases engine power output. Enhances exhaust heat dissipation, optimizing engine performance.
Enhanced Driving Experience:
Improves throttle response for quicker acceleration. Optimizes exhaust sound for a more dynamic driving feel.
(1) About Cost Savings:
After removing the DPF, calculations based on 300,000 miles show potential savings of $21,000 in fuel costs and $6,200 in DPF maintenance costs. After deducting the expenses for purchasing DPF delete components and a tuner, total savings could reach up to $26,000.
Why choose Us
Attentions
The products available on this website are designed for off-road use only. They may not comply with public highway regulations where pollution control laws are enforced.
We strongly recommend professional installation for these kits and parts. Removing DPF, CAT, SCR, and/or DOC components requires eliminating emission-related sensors, and a DPF delete capable tuner is essential to avoid check engine lights or trouble codes.
While our parts are engineered to enhance your vehicle's performance, we do not provide specific performance gain guarantees.
About Vigor Diesel
Vigor Diesel is a diesel performance brand focused on providing practical, application-oriented solutions for modern diesel trucks. Our products are developed with real-world driving conditions in mind, including off-road operations, racing, and towing.
Each product is carefully engineered to simplify common emissions system issues while improving serviceability and overall user experience. Vigor Diesel products are intended for legally permitted off-road and racing applications.

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