If you own a 2017-2024 GMC Sierra or Chevrolet Silverado with the 6.6L Duramax (L5P), you may be considering a DPF or EGR delete to improve performance and reliability. But how much does a Duramax delete kit actually cost?
This guide breaks down:✔ DPF delete pipe pricing✔ EGR delete kit costs✔ Full delete kit expenses✔ Additional tuning & installation fees
1. DPF Delete Pipe Cost (2017-2024 Duramax L5P)
A DPF delete pipe replaces the restrictive Diesel Particulate Filter, improving exhaust flow and reducing backpressure.
Price Range:
$300 – $600 (depending on material & brand)
Stainless steel options cost more but last longer
Aluminized steel is more affordable but less durable
Recommended DPF Delete Pipe
✔ 4-inch mandrel-bent tubing for optimal flow✔ Direct bolt-on replacement for factory DPF✔ Fits 2017-2024 GMC & Chevy L5P Duramax
2. EGR Delete Kit Cost
An EGR delete kit removes the Exhaust Gas Recirculation system, preventing carbon buildup in the intake.
Price Range:
$200 – $400 (includes block-off plates & hardware)
High-quality kits feature CNC-machined plates
Best Use Case:
✔ Reduces intake soot & heat soak✔ Extends engine life✔ Improves throttle response
3. Full Delete Kit (DPF + EGR + DEF) Cost
A full delete kit removes all emissions components for maximum performance (off-road use only).
Price Range:
$800 – $1,500 (depending on included components)
Includes:
DPF delete pipe
EGR block-off plates
DEF system removal kit
Best For:
✔ Track/competition use✔ Maximum horsepower gains✔ Eliminating all emissions-related failures
4. Additional Costs (Tuning & Installation)
⚠️ Important: A delete kit requires tuning to prevent check engine lights and limp mode.
Tuner Cost:
$400 – $1,000 (depending on brand)
Popular Options:
EFI Live (most customizable)
HPTuners (professional-grade)
Duramaxtuner (pre-loaded tunes)
Installation Cost (If Not DIY):
$500 – $1,200 (shop rates vary)
DPF delete only: ~$500
Full delete job: $1,000+
5. Legal Considerations (EPA Compliance)
🚨 Warning: Deleting emissions systems is illegal for on-road use in the U.S. and Canada.
EPA fines can exceed $10,000 per violation
Some states (CA, NY, etc.) enforce strict emissions testing
Off-road/competition use only
Final Thoughts: Is a Duramax Delete Kit Worth It?
Pros:
✔ Better MPG (3-5+ increase)✔ Increased horsepower (50-100+ HP gains)✔ Longer engine life (no more DPF/EGR failures)
Cons:
❌ Illegal for street use❌ Voids warranty (if still active)❌ Upfront cost ($1,500+ for full delete + tune)
Where to Buy a Quality Delete Kit
For a reliable DPF delete pipe, check out:🔗 DPF Delete Pipe for 6.6L Duramax (2017-2024)
