{
    "lazyNodes": false,
    "abFitnotesFlag": false,
    "abCrawlReviews": false,
    "productOptionsCookie": false,
    "orderDelayFlag": false,
    "skipSessionCookie": false,
    "covidMessage": false,
    "fullTitleCookie": false,
    "nrLoggerCookie": false,
    "checkoutReviewCookie": false,
    "productOptionSeqCookie": false,
    "maintenanceFlag": false,
    "bufferETACookie": false,
    "multiShippingDiscountFlag": false,
    "newFitmentFlag": false,
    "surveyOptInFlag": false,
    "crossSellFlag": false,
    "skuMappingFlag": false,
    "paySplitCookie": false,
    "callDisableFlag": false,
    "zipPaymentFlag": "u",
    "hassleFreeReturn": false,
    "lifetimeReplacement": false,
    "cpn_off": false
}
2020 GMC Sierra 3500 HD
1
0
Price Match Guarantee
60-Day Returns
Lifetime Replacement
Price Match Guarantee
60-Day Returns
Lifetime Replacement
Guaranteed to Fit2020 GMC Sierra 3500 HD Change Vehicle

aFe®
2020 GMC Sierra 3500 HD - Exhaust System, 6.6L Engine, Will Not Fit Vehicles Equipped with A 5th Wheel Hitch

Tap image and pinch to zoom.
$530.00
$662.50Save: $132.50(20%)
Manufacturer #49-44125-P
Guaranteed to Fit2020 GMC Sierra 3500 HD Change Vehicle
Qty:
1

Your Vehicle Fit Details

Vehicle Name
Submodel
Engine
Fitment Information
2020 GMC Sierra 3500 HD
SLT
8 Cyl 6.6L
Will not fit vehicles equipped with a 5th wheel hitch
2020 GMC Sierra 3500 HD
AT4
8 Cyl 6.6L
Will not fit vehicles equipped with a 5th wheel hitch
2020 GMC Sierra 3500 HD
Base
8 Cyl 6.6L
Will not fit vehicles equipped with a 5th wheel hitch
2020 GMC Sierra 3500 HD
Denali
8 Cyl 6.6L
Will not fit vehicles equipped with a 5th wheel hitch
2020 GMC Sierra 3500 HD
SLE
8 Cyl 6.6L
Will not fit vehicles equipped with a 5th wheel hitch

Highlights

Part:
Exhaust System
Brand:
aFe
Material:
Made of Stainless Steel
Series:
Large Bore HD Series
System Type:
Downpipe-Back
Quantity Sold:
Kit
Warranty:
2-year AFE limited warranty
Prop 65 Warning:

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Main Piping Diameter:
5 in. Main Pipe
Product Fit:
Direct Fit
Recommended Use:
Performance Replacement
Fitnotes:
Will not fit vehicles equipped with a 5th wheel hitch

Vehicle Fitment Information

Vehicle Name
Submodel
Engine
Fitment Information
2020-2021 Chevrolet Silverado 2500 HD
High Country
8 Cyl 6.6L
Will not fit vehicles equipped with a 5th wheel hitch
2020-2021 Chevrolet Silverado 2500 HD
LT
8 Cyl 6.6L
Will not fit vehicles equipped with a 5th wheel hitch
2020-2021 Chevrolet Silverado 2500 HD
LTZ
8 Cyl 6.6L
Will not fit vehicles equipped with a 5th wheel hitch
2020-2021 Chevrolet Silverado 2500 HD
WT
8 Cyl 6.6L
Will not fit vehicles equipped with a 5th wheel hitch
2020-2021 Chevrolet Silverado 3500 HD
High Country
8 Cyl 6.6L
Will not fit vehicles equipped with a 5th wheel hitch
Page 1 of 4 | Showing 1 - 5 of 18 results

Product Information

AFE POWER LARGE BORE HD EXHAUST SYSTEM

aFe’s LARGE Bore HD exhaust system allows you to squeeze even more power out of your diesel with a free-flowing mandrel-bent stainless steel exhaust that encourages maximum exhaust velocity and noticeable performance gains. Started in 1999, aFe is known for its innovative design and manufacturing standards with regard to filters and cold air intakes for most road-going vehicles.

  • Noticeable horsepower gains at an economical price
  • Specifically engineered for diesel engines
  • Allows exhaust to flowing freely and lowers air turbulence
  • Certain applications include exhaust tip to give your truck a sleek custom vibe
  • Custom fit
  • Includes band clamps and factory-style bayonet hangers
  • Fabricated from thick, mandrel-bent stainless steel tubing
  • 360-degree band clamps and factory-style flanges mean a complete seal
  • Tested via dyno to ensure better torque, throttle response and horsepower
  • Made in America
  • Factory mounting locations utilized for hassle-free installation
Need help?Call our product expert1-866-529-0412
Chat with us
Mondays - Sundays7am - 11pm ET | 4am - 8pm PT
Warranty Policy
Right parts, guaranteed. If you find any defects, let us know within 60 days and we’ll take care of it. Check out our Warranty Policy for more details.
Shipping Policy
We ship fast so you can get on the road that much faster. Check out our Shipping Policy for more details.
Easy Return Policy
We’re only happy if you’re happy. If you’re not entirely satisfied with your order, you may be entitled to a refund. Check out our Return Policy for more details.

Product Q&A

Customer Reviews