Description
Product Overview
The iFJF 4-Inch DPF Delete Pipe Eliminator is the straightforward, cost-effective way to remove the restrictive diesel particulate filter from your 2011–2015 Chevrolet Silverado or GMC Sierra 6.6L Duramax LML. This 3-piece stainless steel bolt-on kit replaces the factory DPF assembly with a free-flowing 4-inch race pipe, restoring exhaust flow and unlocking hidden power and fuel economy.
Key Features
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Stainless Steel Construction — Corrosion resistant, 2mm wall thickness
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4.0" Inlet Diameter — Mandrel-bent for maximum flow
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3-Piece Bolt-On Design — Direct fit, no modifications required
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Includes Clamps & Hardware — Everything needed for installation
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Factory Hanger Compatible — Uses existing mounting points
Vehicle Compatibility
| Year |
Make |
Model |
Engine |
| 2011–2015 |
Chevrolet |
Silverado 2500HD / 3500HD |
6.6L Duramax LML |
| 2011–2015 |
GMC |
Sierra 2500HD / 3500HD |
6.6L Duramax LML |
Performance Benefits
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+4–6 MPG Combined fuel economy improvement
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Lower EGTs Reduced backpressure = cooler exhaust temps
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No More DPF Regeneration Eliminates the need for active/passive regen cycles
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Increased Horsepower Especially when paired with a performance tuner
Package Includes
- 3 × Stainless Steel Delete Pipes
- 3 × Exhaust Clamps
- 2 × Mounting Bolts
Tuner Required: Removal of the DPF requires a DPF-delete-capable tuner to prevent engine codes and limp mode. Professional installation is highly recommended.
Frequently Asked Questions
Q: Does this include the full exhaust system?
A: This is the DPF delete mid-pipe section only. The factory cat-back section can be retained or upgraded separately.
Q: Will I see a check engine light after install?
A: Only if you do not use a DPF-delete-capable tuner. The tuner suppresses emissions-related DTCs.
Q: Is this for off-road use only?
A: Yes. DPF removal is for off-road and competition use and is not street legal in emissions-regulated areas.
Q: What tuner do you recommend for 2011–2015 LML?
A: The EZ Lynk AutoAgent is our top recommendation for 2015 LML trucks. H&S Mini Maxx is popular for 2011–2014 models.
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