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Flowmaster American Thunder Cat-Back Exhaust System 817669

Flowmaster American Thunder Cat-Back Exhaust System 817669
Flowmaster American Thunder Cat-Back Exhaust System 817669Flowmaster American Thunder Cat-Back Exhaust System 817669Flowmaster American Thunder Cat-Back Exhaust System 817669Flowmaster American Thunder Cat-Back Exhaust System 817669
$1,547.99 ea
NEWARRIVING SOONEstimated Ship Date 05/10/2024 (If Ordered Today)51 Available from HOLLEY PERFORMANCE PRODUCTS as of 04/20/2024
Model: 4005402
Select a Vehicle or refer to the Vehicle Fitment Tab below to verify that this part fits your vehicle.
OVERSIZE 2
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.
Features:
  • 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
Does Not Fit Crew Cab 2WD with 2 Pc Driveshaft or 2019 New body trucks.
Installation Notes:
Does Not Fit Crew Cab 2WD with 2 Pc Driveshaft or 2019 New body trucks.

About Flowmaster

Manufacturer of performance exhaust systems, mufflers, performance air intakes, turbo boost modules, catalytic converters, race mufflers, headers and numerous exhaust accessories for late model cars, trucks, off-road, Jeeps, SUV’s, classic muscle cars, powersports vehicles and more. Flowmaster® gives you lots of exhaust choices with 12 designs of chambered mufflers, 3 styles of our exclusive “laminar-flow” mufflers and a new line of FlowFX “straight-through” performance mufflers, along with 5 sound categories of exhaust systems, giving you the customer, the power to custom tailor the sound of your vehicle whether you prefer mild, moderate or aggressive tones and sound levels. Since 1983, Flowmaster is the company you can trust, and has led the industry in offering only the best products you can buy for your vehicles.

Downloads:

Download Name File Size
fm_warranty_general.pdf88.58KB
817669.pdf210.33KB

Videos:

Vehicle Fitment:

The Vehicle Fitment Guide is to be used as a general reference. The data has been provided by our suppliers and manufacturers and may contain errors or incorrect data. Always refer to a professional to verify correct fitment for your vehicle.
Make Model Submodel Years Engine Fitment Notes
Chevrolet Silverado 1500 LD Custom 2019 5.3L / 325 / V8
Chevrolet Silverado 1500 LD LT 2019 5.3L / 325 / V8
Chevrolet Silverado 1500 LD WT 2019 5.3L / 325 / V8
Chevrolet Silverado 1500 Base 2014 4.3L / 262 / V6
Chevrolet Silverado 1500 Base 2016 4.3L / 262 / V6
Chevrolet Silverado 1500 Custom 2016 5.3L / 325 / V8
4.3L / 262 / V6
Chevrolet Silverado 1500 Custom 2017 5.3L / 325 / V8
4.3L / 262 / V6
Chevrolet Silverado 1500 Custom 2018 5.3L / 325 / V8
4.3L / 262 / V6
Chevrolet Silverado 1500 High Country 2014 5.3L / 325 / V8
Chevrolet Silverado 1500 High Country 2015 5.3L / 325 / V8
Chevrolet Silverado 1500 High Country 2016 5.3L / 325 / V8
Chevrolet Silverado 1500 High Country 2017 5.3L / 325 / V8
Chevrolet Silverado 1500 High Country 2018 5.3L / 325 / V8
Chevrolet Silverado 1500 LS 2015 5.3L / 325 / V8
4.3L / 262 / V6
Chevrolet Silverado 1500 LS 2016 5.3L / 325 / V8
4.3L / 262 / V6
Chevrolet Silverado 1500 LS 2017 5.3L / 325 / V8
4.3L / 262 / V6
Chevrolet Silverado 1500 LS 2018 5.3L / 325 / V8
4.3L / 262 / V6
Chevrolet Silverado 1500 LTZ 2014 5.3L / 325 / V8
Chevrolet Silverado 1500 LTZ 2015 5.3L / 325 / V8
Chevrolet Silverado 1500 LTZ 2016 5.3L / 325 / V8
Chevrolet Silverado 1500 LTZ 2017 5.3L / 325 / V8
Chevrolet Silverado 1500 LTZ 2018 5.3L / 325 / V8
Chevrolet Silverado 1500 LT 2014 4.3L / 262 / V6
5.3L / 325 / V8
Chevrolet Silverado 1500 LT 2015 4.3L / 262 / V6
5.3L / 325 / V8
Chevrolet Silverado 1500 LT 2016 4.3L / 262 / V6
5.3L / 325 / V8
Chevrolet Silverado 1500 LT 2017 4.3L / 262 / V6
5.3L / 325 / V8
Chevrolet Silverado 1500 LT 2018 4.3L / 262 / V6
5.3L / 325 / V8
Chevrolet Silverado 1500 SSV 2015 5.3L / 325 / V8
Chevrolet Silverado 1500 SSV 2016 5.3L / 325 / V8
Chevrolet Silverado 1500 SSV 2017 5.3L / 325 / V8
Chevrolet Silverado 1500 SSV 2018 5.3L / 325 / V8
Chevrolet Silverado 1500 WT 2014 5.3L / 325 / V8
4.3L / 262 / V6
Chevrolet Silverado 1500 WT 2015 5.3L / 325 / V8
4.3L / 262 / V6
Chevrolet Silverado 1500 WT 2016 5.3L / 325 / V8
4.3L / 262 / V6
Chevrolet Silverado 1500 WT 2017 5.3L / 325 / V8
4.3L / 262 / V6
Chevrolet Silverado 1500 WT 2018 5.3L / 325 / V8
4.3L / 262 / V6
Chevrolet Silverado 1500 2014 4.3L / 262 / V6
5.3L / 325 / V8
Chevrolet Silverado 1500 2015 4.3L / 262 / V6
5.3L / 325 / V8
Chevrolet Silverado 1500 2016 4.3L / 262 / V6
5.3L / 325 / V8
Chevrolet Silverado 1500 2017 4.3L / 262 / V6
5.3L / 325 / V8
Chevrolet Silverado 1500 2018 4.3L / 262 / V6
5.3L / 325 / V8
Also fits 2019 Classic model.
GMC Sierra 1500 Limited Base 2019 5.3L / 325 / V8
GMC Sierra 1500 Limited SLE 2019 5.3L / 325 / V8
GMC Sierra 1500 Base 2014 4.3L / 262 / V6
5.3L / 325 / V8
GMC Sierra 1500 Base 2015 4.3L / 262 / V6
5.3L / 325 / V8
GMC Sierra 1500 Base 2016 4.3L / 262 / V6
5.3L / 325 / V8
GMC Sierra 1500 Base 2017 4.3L / 262 / V6
5.3L / 325 / V8
GMC Sierra 1500 Base 2018 4.3L / 262 / V6
5.3L / 325 / V8
GMC Sierra 1500 Denali 2014 5.3L / 325 / V8
GMC Sierra 1500 Denali 2015 5.3L / 325 / V8
GMC Sierra 1500 Denali 2016 5.3L / 325 / V8
GMC Sierra 1500 Denali 2017 5.3L / 325 / V8
GMC Sierra 1500 Denali 2018 5.3L / 325 / V8
GMC Sierra 1500 SLE 2014 4.3L / 262 / V6
5.3L / 325 / V8
GMC Sierra 1500 SLE 2015 4.3L / 262 / V6
5.3L / 325 / V8
GMC Sierra 1500 SLE 2016 4.3L / 262 / V6
5.3L / 325 / V8
GMC Sierra 1500 SLE 2017 4.3L / 262 / V6
5.3L / 325 / V8
GMC Sierra 1500 SLE 2018 4.3L / 262 / V6
5.3L / 325 / V8
GMC Sierra 1500 SLT 2014 5.3L / 325 / V8
GMC Sierra 1500 SLT 2015 5.3L / 325 / V8
GMC Sierra 1500 SLT 2016 5.3L / 325 / V8
GMC Sierra 1500 SLT 2017 5.3L / 325 / V8
GMC Sierra 1500 SLT 2018 5.3L / 325 / V8
GMC Sierra 1500 2014 4.3L / 262 / V6
5.3L / 325 / V8
GMC Sierra 1500 2015 4.3L / 262 / V6
5.3L / 325 / V8
GMC Sierra 1500 2016 4.3L / 262 / V6
5.3L / 325 / V8
GMC Sierra 1500 2017 4.3L / 262 / V6
5.3L / 325 / V8
GMC Sierra 1500 2018 5.3L / 325 / V8
4.3L / 262 / V6
Also fits 2019 Classic model.

Specifications:

2WD/4WD RWD/4WD
California Proposition 65 Chemical Name Chromium (hexavalent compounds), Nickel (Metallic)
California Proposition 65 Required Yes
Emission Code 5
Exhaust Series American Thunder
Exit Position Dual Out Rear / Dual Out Side
Heat Shield No
Inlet Diameter (in) 3
Material 409 Stainless Steel
Muffler Part Number Kit Only
Muffler Quantity 1
Muffler Series Super 40 Series
Outlet Diameter (in) 2.5
Part Type Exhaust System Kit
Product Type Exhaust System
Proposition 65 www.P65Warnings.ca.gov
Single Dual Dual
Sound Level Aggressive / Moderate
System Type Cat-back
Tip Diameter (in) 3.5
Tip Length (in) 13
Tip Quantity 2
Tubing Diameter (in) 2.5
Warranty Limited Lifetime (Lifetime)

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Flowmaster American Thunder Cat-Back Exhaust System 817669:
Muscle Cars & Classics 2024