aFe Large Bore-HD Exhaust System

$320.00 - $1,160.00
Made in the USA
Made in the USA
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  • Stainless steel construction
  • 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!

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Spec Sheet
Warranty2 Years
California Residents: Prop 65 Warning


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.

How to Install aFe Large Bore-HD Exhaust System on a 2020 Ram 2500


General Terms:

  1. aFe warrants our products to be free from manufacturer's defects due to workmanship and materials.
  2. This warranty applies only to the original purchaser of the product and is non-transferrable.
  3. Proof of purchase of the aFe product is required for all warranty claims.
  4. Warranty is valid provided aFe instructions for installation and/or cleaning were properly followed.
  5. Proper maintenance with regular inspections of product is required to insure warranty coverage.
  6. Damage due to improper installation, abuse, unauthorized repair or alteration is not warranted.
  7. 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.
  8. All warranty is limited to the repair and/or replacement of the aFe product.
  9. All products sold under aFe's Private Label Program do not carry an aFe warranty.
  10. All items purchased labeled "Closeout" or "Overstock" or "Extra Savings" are final sale. No returns will be accepted.
  11. All items listed as "Race Only" are not covered by aFe's warranty.