GM Canyon/Colorado Duramax LWN 3" Turbo-Back Race Exhaust (2016-2021)

Introduction

This 3 inch Turbo-Back Race Exhaust is a high-flow 2.8 Duramax exhaust engineered specifically for the 2016–2021 Chevy Colorado and GMC Canyon diesel platform. Designed as a complete Colorado diesel exhaust upgrade, it replaces restrictive factory components to support higher exhaust flow, improved drivability and race-level performance. Ideal for owners upgrading 2.8 Duramax performance parts for off-road or competition use.

Features

• Turbo-back exhaust system for 2.8L LWN Duramax
• Available in Aluminized Steel or Stainless Steel pipe variants
• High-flow 2.8 Duramax downpipe included
• No sensor bungs (race-only configuration)
• Single side exit design
• Includes muffler and downpipe
• No exhaust tip included
• Pre-welded, contour-bent hangers for precise fitment
• Heavy-duty flanges for improved sealing
• Mounts to OEM hanger locations
• Designed for maximum flow in competition applications

Benefits

• Replaces restrictive factory exhaust with a true Duramax performance exhaust
• Improves throttle response and low-end torque
• Supports lower exhaust backpressure under load
• Enhances exhaust sound without unnecessary restriction
• Stainless steel option offers superior corrosion resistance
• Proven fitment reported by diesel exhaust installers and performance shops

Compatibility

Technical Specifications

• Engine Platform: GM 2.8L LWN Duramax
• Pipe Diameter: 3-inch
• Configuration: Turbo-back exhaust system
• Downpipe: 3" high-flow downpipe included
• Exit Style: Single side exit
• Material Options:
  • Aluminized Steel
  • Stainless Steel
• Muffler: Included

Installation Notes

• Complete Chevy Colorado exhaust kit includes clamps and hardware
• Direct bolt-on design using factory hanger locations
• Professional installation recommended by diesel exhaust installers

Frequently Asked Questions

• Q: Is this a full turbo-back 2.8 Duramax exhaust system?
  A: Yes, this kit includes the downpipe and replaces the exhaust from the turbocharger outlet back.

• Q: What is the benefit of upgrading the 2.8 Duramax downpipe?
  A: The high-flow downpipe reduces backpressure and supports improved exhaust flow and performance.

• Q: Does this fit a 2016 GMC Canyon exhaust without modification?
  A: Yes, it is precision-built for direct fitment on 2016–2021 GMC Canyon and Chevy Colorado 2.8L Duramax trucks.

• Q: What is the difference between aluminized steel and stainless steel?
  A: Aluminized steel offers strong performance at a lower cost, while stainless steel provides increased durability and corrosion resistance.

• Q: Is tuning required after installation?
  A: Yes, race tuning is required due to removal of factory emissions components.

Helpful Tips (Off-Road Use Only)

• Vehicle must be properly tuned before installation, this exhaust is designed for delete/off-road calibrations only.
• Reuse the factory turbo gasket for correct sealing at the turbo outlet.
• Minor pipe length adjustment may be required depending on cab and box configuration.
• Secure all unused sensor connectors away from heat and moisture after installation.
• Final-tighten all clamps only after full exhaust alignment to prevent stress or leaks.

Disclaimer

For off-road use only. Buyer is responsible for fitment, legal compliance and use.