🔍 What This Kit Does
Designed for:
✔️ 2017-2019 Chevy Silverado HD/GMC Sierra HD
✔️ 6.6L L5P Duramax Diesel Engine
Solves These Common Issues:
⚠️ Carbon Buildup (Clogged intake & reduced efficiency)
⚠️ High EGTs (Dangerous heat stress)
⚠️ Reduced Power & MPG (From restrictive factory design)
💪 Performance Benefits
| Benefit | Improvement |
|---|---|
| Horsepower | +15-25% (With tuning) |
| Torque | +20-30 lb-ft |
| Fuel Economy | +1-3 MPG |
| Engine Longevity | Reduces carbon damage by 40% |
❗ Legal Note:
Not street-legal in emissions-controlled areas (CA, NY, etc.) - Off-road use only
🛠️ Professional Installation Guide
🧰 Required Tools
-
Metric Socket Set (10mm-19mm)
-
Torx & Allen Keys (T20-T45)
-
EGR Delete Kit (With gaskets & hardware)
-
Coolant Catch Pan (5qt capacity)
-
Jack Stands (3-ton rating)
⏱️ Installation Time
-
First-Timers: 4-6 hours
-
Experienced: 2-3 hours
📋 Step-by-Step Installation
1️⃣ Prep & Safety
🔹 Disconnect battery (Negative first)
🔹 Drain coolant (Use OEM drain plug)
🔹 Cover turbo inlet (Clean microfiber cloth)
2️⃣ EGR Removal
-
Unplug electrical connectors (Label with tape)
-
Remove coolant lines (Quick-disconnect pliers recommended)
-
Unbolt EGR assembly (Impact wrench saves time)
3️⃣ Kit Installation
🔸 Critical Steps:
-
Clean mating surfaces (Brake cleaner works best)
-
Install block-off plates (Use included gaskets)
-
Torque bolts to 22 ft-lbs (Pattern tightening)
4️⃣ Final Checks
✅ Refill coolant (Dex-Cool 50/50 mix)
✅ Pressure test system (15 PSI max)
✅ Scan for codes (With OBDLink MX+)
⚡ Pro Tips from Diesel Techs
🔧 Maintenance Musts
-
Every 5K Miles: Inspect for soot leaks
-
Annually: Re-torque block-off plate bolts
🚨 Avoid These Mistakes
❌ Reusing old gaskets (Always use kit-provided)
❌ Skipping the tune (Causes limp mode)
❌ Over-tightening coolant fittings (Cracks housings)
🏆 Recommended Supporting Upgrades
| Product | Benefit | Price |
|---|---|---|
| S&B Cold Air Intake | +12% airflow | $379 |
| PPEI Custom Tune | Unlocks full potential | $599 |
| Edge CTS3 Monitor | Real-time EGT tracking | $499 |
💡 Bundle Deal: Save 15% when purchased with delete kit!
❓ FAQ
Q: Will this pass emissions testing?
A: No - EGR deletes automatically fail in testing states
Q: How much horsepower gain?
A: 30-50HP (With supporting tune)
Q: Best maintenance after install?
A: Change oil every 5K miles & monitor EGTs
"EGR Delete" at 7Performance.com saves 10%!
