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  • Mon - Fri: 8 a.m. - 6 p.m. ET
  • Sat - Sun: Closed


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aFe Large Bore-HD Exhaust System 49-44073-B

Product Information
List Price:
Our Price:
Part #:
Single Side Exit
Pipe: 3" | 4" Black Tip
2016-2017 Chevy Colorado, 5'2" Bed, Crew Cab, 2.8L L4 Diesel
2016-2017 Chevy Colorado, 6'2" Bed, Crew Cab, 2.8L L4 Diesel
2016-2017 Chevy Colorado, 6'2" Bed, Extended Cab, 2.8L L4 Diesel
  • Not legal in California or other states adopting CARB emission standards
  • For off-road competition use only
  • Not for use on public highways or roads
  • Not for recreational off-road use


  • Constructed out of stainless steel
  • Mandrel bent tubing for maximum exhaust flow
  • Tested and proven on the dyno to increase performance
  • Specifically designed to maximize your diesel engine's performance
  • Bolt-on Installation on most kits
  • Two-year warranty
  • Made in the USA - Corona, California

Improve your diesel trucks performance with aFe large bore-HD exhaust system. You don't just get a little sound and power with aFe, you will get increased horsepower, a boost in MPG, and an amazing exhaust tone.

This large bore diesel exhaust kit is constructed out of stainless steel that is mandrel bent to fit your specific year, make and model. Ever exhaust system that aFe makes is dyno testing and can improve your horsepower by 15 and your torque by 31.lbs.

AFE made installing the large bore as simple as possible with using the same mounting placements as your OEM exhaust.

So if you are looking to make your diesel roar, then look no further than the aFe large bore-HD exhaust system. Get yours ordered today!

View Available Part Numbers For This Product Line

California Residents: Prop 65 Warning


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2 Year Warranty

  • aFe warrants their products to be free from manufacturer’s defects due to workmanship and material.
  • This warranty applies only to the original purchaser of the product and is non-transferrable. 
  • Proof of purchase of the aFe product is required for all warranty claims. 
  • Warranty is valid provided aFe instructions for installation and/or cleaning were properly followed. 
  • Proper maintenance with regular inspections of product is required to insure warranty coverage. 
  • Damage due to improper installation, abuse, unauthorized repair, or alteration is not warranted. 
  • Incidental or consequential damages or cost, including installation and removal of part, incurred due to failure of aFe product is not covered under this warranty. 
  • All warranty is limited to the repair and/or replacement of the aFe part.

No other warranty expressed or implied applies nor is any person or advanced FLOW engineering authorized to assume any other warranty. Some States do not allow the exclusion or limitation of incidental or consequential damages or do not allow limitations on how long an implied warranty lasts, so the above limitations or exclusions may not apply to you. This warranty gives you specific legal rights, and you may also have other rights which vary from State to State.



aFe large bore-HD exhaust systems are a simple to install right at your own home. All exhaust kits come with easy to read instructions. However if you need any help you can call our amazing customer service team at 877-216-5446.

Watch This Video
How to Install aFe Large Bore-HD Exhaust System