5" DPF Delete Pipe for 6.6L LML Chevrolet GMC Silverado Sierra 2500 3500HD (2011-2015)

$678.28
Shipping calculated at checkout.
30 in stock, ready to ship
🛒 Bulk Discount: Save 6% on 2+ Items
🎁 Special Offer: Enjoy 10% Off on 3+ Items
📞 Large Orders (10+): Contact Us for Exclusive Deals
Details
Brand Model Year Engine Model
Chevrolet Silverado 2500HD/3500HD 2011-2015 6.6L LML Duramax
GMC Sierra 2500HD/3500HD 2011-2015 6.6L LML Duramax

✅ Exact Fitment Guarantee | If you are unsure about compatibility, contact us at service@egrperformance.com with your VIN.

  • 5" DPF Delete Pipe for 6.6L LML solves factory DPF clogging, power loss and high fuel consumption issues.
  • Designed for 2011-2015 Chevrolet Silverado 2500HD and GMC Sierra 3500HD 6.6L LML models.
  • 409 stainless steel construction boosts corrosion resistance by 50% vs. ordinary steel pipes.
  • Keep reading to get details on fitment, installation, advantages and maintenance of this product.
Shipping Details

Ontario CA / Springdale OH / Newark NJ

Package List
  • 1 x 5" DPF Delete Stainless Steel Exhaust Pipe for 6.6L LML Duramax
  • 1 x Full Set of Clamp-On Installation Mounting Hardware
Delivery Time

2-5 working days inland in the United States

Product details

Product Overview

  • This is a clamp-on direct-fit DPF replacement exhaust pipe with 5-inch diameter for 6.6L LML Duramax engines.
  • Fixes factory DPF clogging, frequent regeneration, power drop and expensive regular maintenance costs.
  • Cuts exhaust backpressure via enlarged piping to improve airflow and overall engine output efficiency.
  • Direct clamp-on setup requires no vehicle modification to save DIY and professional installation hours.

Ideal For

  • Towing and Hauling: Resolves low power & climbing weakness caused by clogged DPF under heavy load.
  • Daily Driving: Eliminates frequent DPF regeneration and excess fuel consumption during regular commutes.
  • Off-Road Use: Fixes overheating and high backpressure issues from low-speed high-torque off-road operation.
  • Engine Performance Upgrades: Removes exhaust bottleneck limiting horsepower after ECU & hardware tuning.
  • Long-Term Vehicle Ownership: Cuts recurring DPF repair/replacement fees and extends exhaust service lifespan.

Core Advantages

  • Superior Corrosion Resistance: 409 stainless steel lifts rust resistance by 50% against harsh road & weather conditions.
  • No-Cut Clamp Mount: Precisely engineered clamp-on design shortens total install time within 1 hour.
  • Optimized Airflow: 5-inch inner diameter reduces exhaust backpressure by 25% and raises power by 15%.
  • OE Precise Matching: CNC machining aligns fully with factory mounting spots for zero fitment gaps.
  • Complete Hardware Pack: All required mounting clamps included to skip extra accessory purchasing.

Technical Specifications

  • Condition: 100% Brand New
  • Color: Silvery
  • Material: 409 Stainless Steel
  • Pipe Diameter: 5 Inches
  • Installation Method: Clamp-on
  • Mount Position: Rear of vehicle exhaust system
  • Full Mount Hardware Included: Yes

Why Choose EGR Performance

  • Premium Raw Material: Grade 409 stainless avoids early rust & deformation seen on cheap mild steel alternatives.
  • Precision CNC Machining: Factory-spec dimension eliminates mismounting and fitment frustration.
  • Professional Fit Support: Free VIN verification via email to confirm accurate vehicle compatibility.
  • US Warehouse Shipment: In-stock USA inventory delivers within 3–7 business days nationwide.
  • New Item Quality Promise: Every unit passes pre-shipment inspection to avoid defective used/refurbished goods.

Troubleshooting and Problem Solving

Common Issues After Installation

  • Check Engine Light: Triggered mostly when vehicle ECU lacks matching tuner programming post DPF removal.
  • Exhaust Rattling Noise: Results from loosely secured mounting clamps or misaligned pipe positioning.
  • No Noticeable Power Gain: Occurs from unoptimized exhaust flow or mismatched pipe installation.

Error Code Solutions

  • P0401: EGR Flow Insufficient – Inspect pipe sealing integrity then reset vehicle ECU memory.
  • P0544: Exhaust Temp Sensor Fault – Double-check sensor placement and related wiring connections.

How to Reset Check Engine Light After Installation

  1. Shut engine off and disconnect vehicle battery negative terminal for 5 continuous minutes.
  2. Reconnect battery cable and let engine idle steadily for full 10 minutes to initialize ECU.
  3. Drive 5 steady cruise miles to finish factory-style vehicle system self-learning cycle.
  4. Clear leftover stored trouble codes with compatible OBD2 scan tool.

What to Do If Your Vehicle Loses Power After Installation

  • Recheck all pipe clamp tightness to rule out unseen exhaust gas leakage points.
  • Confirm installed 5-inch pipe matches OEM exhaust routing for your specific LML chassis.
  • Complete full ECU reset then perform real-world road test to verify restored performance.

Long-Term Maintenance Tips

  • Regular Clamp Inspection: Check all mounting clamp torque every 5,000 miles to prevent pipe shake & leaks.
  • Outer Surface Cleaning: Wipe away road grime and oil buildup every 10,000 miles to retain anti-rust property.
  • Full Pipe Inspection: Examine pipe surface for rust/deformation every 20,000 miles to avoid exhaust failure.
  • Dry Storage Rule: Keep spare pipe stored indoors in dry space to avoid moisture-induced premature rust.
  • Warranty Reminder: Following listed maintenance guidelines preserves your valid 1-year manufacturer warranty.

Vehicle Fitment

  • Fits all 2011–2015 Chevrolet Silverado 2500HD/3500HD 6.6L LML Short/Long Bed Crew Cab trucks.
  • Fits all 2011–2015 GMC Sierra 2500HD/3500HD 6.6L LML Short/Long Bed Extended Cab pickups.
  • Compatible with 2011–2015 Chevrolet & GMC 6.6L LML Dually dual rear wheel chassis variants.
  • OE-style direct install design needs no cutting, drilling or exhaust system modification.
  • Not legal for highway use on California vehicles following strict state emission regulations.
  • Submit your VIN to service@egrperformance.com for definitive vehicle fit confirmation.
  1. Dispatch Time: Orders will be shipped within 24 hours after successful payment.
  2. Delivery Time: 2-5 business days after dispatch (delivery speed depends on proximity to warehouse location).
  3. Return Window:7 days for unsatisfactory items45 days for quality-related issues
  4. Refund Processing: Refunds will be processed back to your original payment method within 2-4 business days after receiving the automated refund confirmation email (subject to bank verification).

What is a 5" DPF Delete Pipe?

  • It serves as a direct aftermarket replacement part for factory-equipped DPF exhaust assembly.
  • Built with uniform 5-inch inner diameter to improve stock diesel exhaust flow characteristics.
  • Specially engineered exclusively for 2011–2015 6.6L LML Duramax Chevy & GMC HD trucks.

What problems does a 5" DPF Delete Pipe solve?

  • Eliminates recurring factory DPF clogging and forced in-transit regeneration cycles entirely.
  • Reduces excessive exhaust backpressure to lift engine horsepower and improve overall MPG performance.
  • Cuts ongoing high service fees for periodic DPF cleaning or full OEM DPF replacement work.

Will this 5" DPF Delete Pipe fit my 2013 Chevrolet Silverado 2500HD 6.6L LML?

  • Fully compatible with all stock 2011–2015 Silverado 2500HD fitted with factory 6.6L LML Duramax.
  • Supports both short bed and long bed factory body configurations of your pickup truck.
  • Send your unique VIN code to our support email for formal fit verification before purchase.

How does a 5" DPF Delete Pipe work?

  • Upgrades narrow factory exhaust routing into unrestricted 5-inch diameter exhaust pathway.
  • Lowers trapped exhaust backpressure to enhance fresh intake air filling inside combustion chambers.
  • Improves spent exhaust evacuation speed to unlock hidden stock diesel engine power potential.

What are the main benefits of a 5" DPF Delete Pipe?

  • Delivers 25% lower exhaust backpressure alongside measurable 15% peak horsepower improvement.
  • Grade 409 stainless material increases long-term rust resistance by 50% over standard carbon steel.
  • Tool-only clamp-on install finishes within one hour with zero destructive vehicle bodywork.

Will a 5" DPF Delete Pipe void my factory warranty?

  • Emission-related factory vehicle warranty coverage may get affected after DPF delete modification.
  • Confirm original OEM warranty clauses with your local GM dealership prior to part installation.
  • This exhaust pipe carries independent 1-year limited warranty covering manufacturing defects.

Is a 5" DPF Delete Pipe street legal in my state?

  • Not permitted for on-road highway use inside California plus other strict emission-regulated US states.
  • Verify your local municipal and state diesel exhaust modification laws before checkout.
  • Designed primarily for closed-course off-road racing and non-public track vehicle application.

Do I need a tuner for this 5" DPF Delete Pipe?

  • Aftermarket engine tuner is highly recommended to erase DPF-related ECU fault codes permanently.
  • Tuner programming optimizes fuel mapping to stop recurring illuminated check engine dash light.
  • Reach out to our technical team for trusted compatible tuner brand and setup recommendations.

How long does it take to install a 5" DPF Delete Pipe?

  • Average DIY install runtime falls between 0.5–1 hour for users with basic hand tool experience.
  • Product installation difficulty level is rated Easy for casual home mechanic enthusiasts.
  • Certified shop professional fitting is suggested for users lacking prior exhaust repair experience.

Can I install a 5" DPF Delete Pipe myself?

  • Yes, clamp-on connection design removes requirement for cutting, welding or exhaust pipe drilling.
  • Standard everyday garage tools including socket set and torque wrench complete full installation.
  • Follow published step-by-step installation guide listed above to finish successful setup.

How often should I maintain my 5" DPF Delete Pipe?

  • Tighten loose mounting clamps and fasteners at every 5,000 driven service miles.
  • Wipe pipe exterior clean from dirt and road contaminants every scheduled 10,000 miles.
  • Complete full visual rust & deformation inspection once every accumulated 20,000 vehicle miles.

What is the warranty on this 5" DPF Delete Pipe?

  • Product includes 1-year limited factory warranty against all production and material defects.
  • Valid warranty covers workmanship issues arising under standard recommended driving conditions.
  • Submit warranty claim request via service@egrperformance.com with your order details.

Do you offer technical support?

  • In-house professional auto tech team provides free written support via official business email.
  • Available services include VIN lookup, fitment confirmation and general installation guidance.
  • All customer support emails receive formal reply within 24 business operating hours.

How long does shipping take?

  • Standard ground delivery ships from domestic US warehouse with transit of 3–7 business days.
  • Expedited premium fast shipping options exist for customers needing rush part delivery.
  • Unique tracking number gets emailed right after warehouse order pick & ship confirmation.

Can I return this 5" DPF Delete Pipe if it doesn't fit?

  • Unopened unused merchandise qualifies for 30-day post-delivery standard customer return window.
  • Customer is responsible for all outgoing and return parcel shipping cost expenses.
  • Contact official customer service inbox first to start formal authorized return procedure.

Installation Difficulty Level

Easy

Estimated Installation Time

0.5–1 Hour

Required Tools

  • Socket Set
  • Torque Wrench
  • Pliers
  • Cleaning Cloth

Step-by-Step Installation Overview

  1. Raise vehicle safely and remove stock factory DPF and connected exhaust piping.
  2. Line up new 5-inch delete pipe against original factory exhaust mounting locations.
  3. Secure all included clamps and fasteners to manufacturer specified torque values.
  4. Start engine and inspect all joints thoroughly for exhaust leakage or abnormal rattling.

Important Note: No printed instructions included. Professional installation is highly recommended. For technical support, contact service@egrperformance.com.