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KEF Flowmaster 717977 19 21 Gm 1500 Truck 5.3L Ffx Ext P14813777KEF-F13717977 https://cdnimages.opentip.com/full/KEF/KEF-F13717977.jpg Flowmaster 717977 19 21 Gm 1500 Truck 5.3L Ffx Ext Manufacturer Part Number: 717977Exhaust System Kit; FlowFX Extreme Cat-Back System; 409 Stainless Steel; With Muffler; 3 Inch Pipe Diameter; Single Exhaust With Single Out Dump Exit; Underbody Exit; 3 Inch Tip; With Mounting HardwareAttributes Sound Level: Moderate Type: Cat-Back Exhaust Type: Single Outlet Type: Single Exit Position: Underbody Exit Material: Stainless Steel Diameter (IN): 3 Inch Includes Muffler: Yes Muffler Brand: Flow FX Includes Exhaust Tip: Yes Exhaust Tip Style: 3 Inch Turndown Cut Edge Exhaust Tip Material: Stainless Steel Muffler Quantity: 1 Includes Exhaust Pipe Muffler Delete: No Muffler Configuration: Single Inlet, Single Outlet Includes Hardware: Yes Required Welding: No Estimated Install Time (Hours): 2 Product Description Flowmaster introduces our FlowFX Extreme stainless steel cat-back exhaust system for the 2019 to 2022 Chevrolet/GMC Silverado/Sierra 1500 with the 5.3L engine. This system uses a FlowFX series muffler for an aggressive to moderate sound level and increased performance. 3.00 Inch mandrel bent 409 stainless steel tubing allows for maximum exhaust flow and durability. The system has a turndown style, dump exit right after the muffler to eliminate the over-axle tailpipe. This elimination of the tailpipe helps improve ground clearance and departure angle when you are driving in more extreme off-road situations. This system produced max dyno gains of 15 Horsepower and 20 Pound Feet at the rear wheels.Features & Benefits FlowFX Series Performance Muffler Offers An Aggressive To Moderate Sound Level And Increased Performance 409 Stainless Steel Construction Delivers Extra Durability And Improved Long-Term Corrosion Resistance Max Dyno Gains Of 15 Horsepower And 15 Pound Feet At The Rear Wheels 3.00 Inch 16-Gauge Mandrel Bent Stainless Steel Tubing Helps Maintain Maximum Exhaust Flow For Better Power Dump Style Exit Allows For Better Ground Clearance When In Extreme Off-Road Conditions Uses Factory Hanger Locations For Easy Installation Limited Lifetime Warranty This Fits2020-2021 Chevrolet Silverado 15002023-2023 Chevrolet Silverado 15002019-2019 Chevrolet Silverado 1500- New Model2022-2022 Chevrolet Silverado 1500- New Model2020-2021 GMC Sierra 15002023-2023 GMC Sierra 15002019-2019 GMC Sierra 1500- New Model2022-2022 GMC Sierra 1500- New Model 14813777 090127130827 77.7500lbs 0.00 0.00 0.00
Flowmaster
329.3715 2025-07-11 Only 2 left In Stock
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Flowmaster 717977 19-21 Gm 1500 Truck 5.3L Ffx-Ext

Brand Flowmaster
Shop more from KEF
UPC: 090127130827
SKU: KEF-F13717977
Price: $329.37
Quantity:
Only 2 left In Stock
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Product Description

Manufacturer Part Number: 717977

Exhaust System Kit; FlowFX Extreme Cat-Back System; 409 Stainless Steel; With Muffler; 3 Inch Pipe Diameter; Single Exhaust With Single Out Dump Exit; Underbody Exit; 3 Inch Tip; With Mounting Hardware

Attributes

  • Sound Level: Moderate
  • Type: Cat-Back
  • Exhaust Type: Single
  • Outlet Type: Single
  • Exit Position: Underbody Exit
  • Material: Stainless Steel
  • Diameter (IN): 3 Inch
  • Includes Muffler: Yes
  • Muffler Brand: Flow FX
  • Includes Exhaust Tip: Yes
  • Exhaust Tip Style: 3 Inch Turndown Cut Edge
  • Exhaust Tip Material: Stainless Steel
  • Muffler Quantity: 1
  • Includes Exhaust Pipe Muffler Delete: No
  • Muffler Configuration: Single Inlet, Single Outlet
  • Includes Hardware: Yes
  • Required Welding: No
  • Estimated Install Time (Hours): 2


Product Description


Flowmaster introduces our FlowFX Extreme stainless steel cat-back exhaust system for the 2019 to 2022 Chevrolet/GMC Silverado/Sierra 1500 with the 5.3L engine. This system uses a FlowFX series muffler for an aggressive to moderate sound level and increased performance. 3.00 Inch mandrel bent 409 stainless steel tubing allows for maximum exhaust flow and durability. The system has a turndown style, dump exit right after the muffler to eliminate the over-axle tailpipe. This elimination of the tailpipe helps improve ground clearance and departure angle when you are driving in more extreme off-road situations. This system produced max dyno gains of 15 Horsepower and 20 Pound Feet at the rear wheels.

Features & Benefits

  • FlowFX Series Performance Muffler Offers An Aggressive To Moderate Sound Level And Increased Performance
  • 409 Stainless Steel Construction Delivers Extra Durability And Improved Long-Term Corrosion Resistance
  • Max Dyno Gains Of 15 Horsepower And 15 Pound Feet At The Rear Wheels
  • 3.00 Inch 16-Gauge Mandrel Bent Stainless Steel Tubing Helps Maintain Maximum Exhaust Flow For Better Power
  • Dump Style Exit Allows For Better Ground Clearance When In Extreme Off-Road Conditions
  • Uses Factory Hanger Locations For Easy Installation
  • Limited Lifetime Warranty

This Fits

2020-2021 Chevrolet Silverado 1500
2023-2023 Chevrolet Silverado 1500
2019-2019 Chevrolet Silverado 1500- New Model
2022-2022 Chevrolet Silverado 1500- New Model
2020-2021 GMC Sierra 1500
2023-2023 GMC Sierra 1500
2019-2019 GMC Sierra 1500- New Model
2022-2022 GMC Sierra 1500- New Model

warning tips WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, go to www.p65warnings.ca.gov.

Shipping Restrictions

This product can't be shipped to the following regions: CA.

Note

This product is not eligible for coupon code discount, for we've been offering the best price in the market.
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