Race-use only kits designed for Chevy and GMC trucks.
Everything included: delete pipe, EGR block-offs, DEF bypass, and tuner support.
Up to +100 HP with tuning
2–5 MPG fuel economy gains
End DEF sensor failures & regen cycles
Includes hardware + tuner compatibility
Top-Selling Duramax Delete Kits
Why Duramax Owners Delete Their Emissions Systems
(And Why It Pays Off Fast)
❌ PROBLEM: DPF Clogs & Regens Drain Power
Your DPF system forces constant regeneration cycles that kill fuel economy and restrict exhaust flow. When it fails completely, you're facing a $2,000+ repair bill.
✅ SOLUTION: DPF Delete Kit
Our DPF delete pipe replaces the restrictive filter with free-flowing exhaust. You'll immediately notice better throttle response, improved fuel economy, and zero regen cycles.
❌ PROBLEM: EGR Overheats the Engine
The EGR system recirculates hot exhaust gases back into your engine, creating carbon buildup that damages valves and turbochargers. It's a constant maintenance headache.
✅ SOLUTION: EGR Delete Kit
Block off the EGR valve completely with precision-machined plates. Your Duramax will run cooler, cleaner, and more efficiently with fresh air only.
❌ PROBLEM: DEF Sensors Are a Weak Point
DEF systems are notorious for sensor failures, especially in cold weather. When they fail, your truck goes into limp mode without warning, leaving you stranded.
✅ SOLUTION: DEF Delete Tuner
Completely bypass the DEF system with custom tuning. No more fluid refills, no more sensor failures, and your truck keeps running strong in any weather.
Shop by Delete Kits & Parts
View all collections
FAQs – Diesel Delete Kits
Do I need a tuner with a delete kit?
Yes — delete kits require race tuning to turn off check engine lights and unlock performance gains. We offer EFI Live, EZ Lynk, and H&S-compatible tuners for all Duramax engines.
Can I install this myself?
Yes — with basic tools and 4–6 hours, most DIYers complete the install. We provide step-by-step guides and free tech support if you need help.
What's the difference between LMM, LML, and L5P delete kits?
Each Duramax generation has different DPF/EGR/DEF configurations. Our kits are specifically engineered for your exact engine — LMM/LBZ (2007-2010), LML (2011-2016), L5P (2017-2024), or 3.0L (2020+). Select your engine above to see compatible kits.
Is deleting my diesel truck legal in Canada?
Diesel deletes are intended for off-road or competition-use only. It is illegal to operate a deleted truck on public roads in most provinces. Always check local laws before installing a delete kit.
What's Included In Our Duramax Delete Kits?
No guessing. No parts runs. Everything you need to delete your 6.6L Duramax the right way.
DPF / Cat Race Pipe
Direct-fit 4" or 5" stainless race pipe for your Duramax (year/trim specific)
EGR & Cooler Delete
CNC-machined block-off plates, coolant plugs, and hardware for a clean EGR delete
DEF / SCR Bypass
Harnesses / plug-ins to bypass DEF and SCR systems (where applicable)
All Clamps & Hardware
Band clamps, bolts, gaskets, and brackets — matched to your Duramax platform
Tuner Compatibility
Built to work with EFI Live, HP Tuners, EZ Lynk and other Duramax-ready tuners
Step-By-Step Install Support
Printed instructions + install videos for popular 6.6L Duramax generations (LB7–L5P)
What Clients Say?
Take Back Control of Your Duramax
No more regens, limp mode, or DEF top-ups. Unlock the full power of your 6.6L Duramax today.
Disclaimer:
Delete kits are intended for off-road or competition use only, where permitted by law. They are not legal for on-road use in most regions. Please check local regulations before purchase or installation.