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Flowmaster Force II Cat-Back Exhaust System 817672

Flowmaster Force II Cat-Back Exhaust System 817672
Flowmaster Force II Cat-Back Exhaust System 817672Flowmaster Force II Cat-Back Exhaust System 817672Flowmaster Force II Cat-Back Exhaust System 817672Flowmaster Force II Cat-Back Exhaust System 817672Flowmaster Force II Cat-Back Exhaust System 817672Flowmaster Force II Cat-Back Exhaust System 817672
$1,791.99 ea
NEWARRIVING SOONEstimated Ship Date 04/15/2026 (If Ordered Today)2 Available from HOLLEY PERFORMANCE PRODUCTS as of 04/01/2026
Model: 4005403
Select a Vehicle or refer to the Vehicle Fitment Tab below to verify that this part fits your vehicle.
OVERSIZE 2
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[More Info]
This Flowmaster Force II® cat-back exhaust system is custom designed for 2014-2019* (*Classic body) GM Silverado/Sierra 1500 trucks with the 4.3L or 5.3L engines and is perfect for the person looking for a moderate sound level inside and outside of the truck, with all of the performance benefits that you would expect from Flowmaster®. This bolt-on emissions-legal system fits both the Double Cab and Crew Cab models with 5.5 and 6.5-ft beds and features a mandrel-bent stainless steel inlet pipe flowing into a Super 50™ Series muffler for a mild exterior sound. The single 3.00-inch stainless steel mandrel-bent tailpipe is finished off with a large 4.00-inch polished embossed stainless steel tip. The exhaust system is covered by our Lifetime Limited Warranty and is designed for an easy fit. The system includes all necessary parts and hardware for a quick and easy installation you can do at home.
Features:
  • Large 4.00-inch Black Ceramic Coated Tip
  • Super 50 Series Performance Muffler
  • Uses the Factory Hanger Locations
  • All Stainless Steel Construction
  • Lifetime Limited Warranty
  • Mild Performance Tone
  • Delta Flow Technology
  • Mandrel-bent Tubing
Does Not Fit Crew Cab 2WD with 2 Pc Driveshaft.
Installation Notes:
Does Not Fit Crew Cab 2WD with 2 Pc Driveshaft.
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
817672.pdf196.05KB

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 4.3L / 262 / V6
5.3L / 325 / V8
Chevrolet Silverado 1500 LS 2016 4.3L / 262 / V6
5.3L / 325 / V8
Chevrolet Silverado 1500 LS 2017 4.3L / 262 / V6
5.3L / 325 / V8
Chevrolet Silverado 1500 LS 2018 4.3L / 262 / V6
5.3L / 325 / V8
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 5.3L / 325 / V8
4.3L / 262 / V6
Chevrolet Silverado 1500 LT 2015 5.3L / 325 / V8
4.3L / 262 / V6
Chevrolet Silverado 1500 LT 2016 5.3L / 325 / V8
4.3L / 262 / V6
Chevrolet Silverado 1500 LT 2017 5.3L / 325 / V8
4.3L / 262 / V6
Chevrolet Silverado 1500 LT 2018 5.3L / 325 / V8
4.3L / 262 / V6
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 4.3L / 262 / V6
5.3L / 325 / V8
Chevrolet Silverado 1500 WT 2015 4.3L / 262 / V6
5.3L / 325 / V8
Chevrolet Silverado 1500 WT 2016 4.3L / 262 / V6
5.3L / 325 / V8
Chevrolet Silverado 1500 WT 2017 4.3L / 262 / V6
5.3L / 325 / V8
Chevrolet Silverado 1500 WT 2018 4.3L / 262 / V6
5.3L / 325 / V8
Chevrolet Silverado 1500 2014 5.3L / 325 / V8
4.3L / 262 / V6
Chevrolet Silverado 1500 2015 5.3L / 325 / V8
4.3L / 262 / V6
Chevrolet Silverado 1500 2016 5.3L / 325 / V8
4.3L / 262 / V6
Chevrolet Silverado 1500 2017 5.3L / 325 / V8
4.3L / 262 / V6
Chevrolet Silverado 1500 2018 5.3L / 325 / V8
4.3L / 262 / V6		 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 5.3L / 325 / V8
4.3L / 262 / V6
GMC Sierra 1500 Base 2015 5.3L / 325 / V8
4.3L / 262 / V6
GMC Sierra 1500 Base 2016 5.3L / 325 / V8
4.3L / 262 / V6
GMC Sierra 1500 Base 2017 5.3L / 325 / V8
4.3L / 262 / V6
GMC Sierra 1500 Base 2018 5.3L / 325 / V8
4.3L / 262 / V6
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 5.3L / 325 / V8
4.3L / 262 / V6
GMC Sierra 1500 SLE 2015 5.3L / 325 / V8
4.3L / 262 / V6
GMC Sierra 1500 SLE 2016 5.3L / 325 / V8
4.3L / 262 / V6
GMC Sierra 1500 SLE 2017 5.3L / 325 / V8
4.3L / 262 / V6
GMC Sierra 1500 SLE 2018 5.3L / 325 / V8
4.3L / 262 / V6
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 Pipe Bend Type Assorted
Exhaust Series Force II
Exit Position Single Out Side
Heat Shield No
Inlet Diameter (in) 3
Material 409 Stainless Steel
Muffler Part Number Kit Only
Muffler Quantity 1
Muffler Series Super 50 Series
Outlet Diameter (in) 3
Part Type Exhaust System Kit
Product Type Exhaust System
Proposition 65 www.P65Warnings.ca.gov
Single Dual Single
Sound Level Moderate/Mild
System Type Cat-back
Tip Diameter (in) 4
Tip Length (in) 13
Tip Quantity 1
Tubing Diameter (in) 3
Warranty Limited Lifetime (Lifetime)

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