Easy Returns and Free Shipping on orders over $75
Pay at your own pace. Pre-Qualify Now
Cyber Week Sales Starts Now! — Click Here to Get Your Discount

Fitment

YearMakeModelSub Model
2014-2018GMCSierra 1500
2014ChevroletSilverado 1500
2014-2018ChevroletSilverado 1500WT
2014-2018GMCSierra 1500SLT
2014-2018GMCSierra 1500SLE
2014-2018ChevroletSilverado 1500LTZ
2014-2018ChevroletSilverado 1500LT
2014-2018ChevroletSilverado 1500High Country
2014-2018GMCSierra 1500Denali
2015-2018ChevroletSilverado 1500LS
2015-2018ChevroletSilverado 1500SSV
2016-2018ChevroletSilverado 1500Custom
2016ChevroletSilverado 1500
2019ChevroletSilverado 1500 LDLT
2019ChevroletSilverado 1500 LDCustom
2019GMCSierra 1500 LimitedSLE
2019GMCSierra 1500 Limited
2019ChevroletSilverado 1500 LDWT

Quick Specs

  • Country of Origin: USA
  • Sold As: Kit
  • Availability: Available
  • Exhaust Type: Cat Back
  • Exit Style: Dual Out Side Dual Out Rear
  • Mount Style: Clamp-On
  • Shape: Oval
  • Part Number : 817669

Important Notes

ATTENTION STATE OF CALIFORNIA CONSUMERS

WARNING: Cancer and reproductive harm –

American Thunder Cat-Back Exhaust System 2014-2019 (Classic Body) Silverado/Sierra 1500 4.3L & 5.3L Engines Aggressive To Moderate Sound Flowmaster

Fits 2014-2018 GMC Sierra 1500 2014 Chevrolet Silverado WT SLT SLE LTZ LT High Country Denali 2015-2018 LS SSV 2016-2018 Custom 2016 2019 LD Limited
4.9257075471698 848 5
98.514150943396%
4.9/5 out of 848 Company Reviews. Rating:
American Thunder Cat-Back Exhaust System 2014-2019 (Classic Body) Silverado/Sierra 1500 4.3L & 5.3L Engines Aggressive To Moderate Sound Flowmaster
1149.95In stock
Fits 2014-2018 GMC Sierra 1500 2014 Chevrolet Silverado WT SLT SLE LTZ LT High Country Denali 2015-2018 LS SSV 2016-2018 Custom 2016 2019 LD Limited
  • Brand : Flowmaster
  • SKU : 817669-BDXN
  • Part Number : 817669
$1,149.95

Out of stock

Bundle and Save with these options

Your discount may still be available. Contact us in Live Chat
  • Lowest Prices
    Price match guarantee
  • In-House Experts
    We know our products
  • Factory Authorized
    Install Center
  • Guaranteed Fitment
    Always the correct part
  • International Shipping?
    Get a Quote
Talk to a Specialist Now

Product Details

This Flowmaster American Thunder cat-back exhaust system is custom designed for 2014-2019* (*Classic body) GM Silverado/Sierra 1500 trucks and is perfect for the person looking for a moderate sound level inside the cab area, with an aggressive exterior sound with all of the performance benefits that you expect from Flowmaster. This bolt-on emissions-legal system is for the Crew Cab and Double Cab models with 4.3L or 5.3L engines and comes with your choice of tailpipe exits, either dual out the rear under the bumper, or dual out the sides behind the rear tires.

System features include stainless steel mandrel bent tubing flowing into a Super 40 series muffler and exiting with dual 2.50-inch stainless steel mandrel bent tailpipes. The system uses the factory hanger locations and is finished off with a pair of large 3.50-inch polished stainless steel tips and is covered by our Lifetime Limited Warranty. Designed for an easy fit, this system includes all necessary parts and hardware for installation.

  • Aggressive Exterior with Moderate Interior Tone
  • Super 40 Series Performance Muffler
  • Delta Flow Technology
  • Custom Fit for Easy Installation
  • All Stainless Steel Construction
  • Lifetime Limited Warranty
This Order Qualifies For FREE Bad Ass Swag
Tshirt
Hat
Beanie Cap
Nascar #2 Creed Championship Truck
OUT OF STOCK SHIPS FREE

Product Questions

Ask A Question
request catalog
Unlock Additional Savings Now! Request Now X