4″/5″ DPF Delete Kit for 2011–2016 LML 6.6L Duramax | Silverado/Sierra 2500–3500HD

Unleash your Duramax's true power with this off-road DPF delete kit.
Fits 2011–2016 Chevy Silverado & GMC Sierra 2500/3500HD.
Available in 4 "or 5", made from T409 stainless steel, and includes all clamps and hardware.
It installs in under 2 hours. Tuner required.

What’s Included in the DPF Delete Kit

• DPF delete pipe (choose 4″ or 5″)

• Clamps, hangers, and mounting hardware

• Compatible with stock downpipe

• Built from corrosion-resistant T409 stainless steel

Vehicle Fitment Guide (2011–2016 Duramax)

Compatible with:

• 2011–2015 Chevy Silverado & GMC Sierra 2500/3500HD (V-band clamp connection)

• 2015.5–2016 models (3-bolt flange connection)

How to check your model:
2015 is a split year:

• Early 2015 = V-band style

• Late 2015 (2015.5) = 3-bolt flange

Double-check your downpipe connection before ordering!

What is a DPF and Why Delete It?

The Diesel Particulate Filter (DPF) reduces emissions but restricts performance. Over time, it clogs, causing poor fuel economy and costly maintenance.

Benefits of removing the DPF:

• Lower exhaust backpressure

• Boost fuel economy (up to 25%)

• Increase horsepower and torque

• Reduce long-term maintenance

4″ vs 5″ Exhaust Pipe – Which One Should You Choose?

4″ Option:

• Balanced airflow

• Great for daily driving and light towing

5″ Option:

• Maximum airflow

• Ideal for heavy towing or off-road performance

Performance Benefits of Removing the DPF

• Gain up to 15–20 HP

• Improve throttle response

• Smoother exhaust flow

• Reduced turbo stress

Installation Guide – Tools, Time, Tuning

Tools Needed:

• Basic hand tools

• Optional lift for easier access

Installation Time:

• Around 1.5 to 2 hours

Important:

• Tuner required post-installation to clear error codes and optimize performance.

Download the Installation PDF

FAQ – Tuner, Compatibility, Legal Use

Q: Do I need a tuner?
A: Yes. It’s required to prevent check engine lights and ensure smooth operation.

Q: Will this fit Cab & Chassis models?
A: No. These models require a longer pipe. Contact us for assistance.

Q: Is it legal to use on public roads?
A: No. DPF delete kits are intended for off-road or racing use only.

Q: What's the difference between DPF and DEF delete?
A: DPF targets the filter; DEF targets the fluid system. This kit only removes the filter.

Q: Is this kit complete, or do I need extra parts?
A: This kit includes everything you need for installation.

Legal Notice: Off-Road Use Only

This product is intended for off-road competition use only. Not legal for sale or use on pollution-controlled vehicles in any state.

Ships Fast from North America

• ✅ In stock and ready to ship

• ✅ North America warehouse

• ✅ Free standard shipping

• ✅ 12-month warranty

Upgrade Your Duramax Today

Remove the restrictions and unleash the full power of your Duramax. Order your DPF delete kit now and drive with confidence.