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Flowmaster
Flow Fx Cat-Back Exhaust System Fits 2019-2026 Silverado/Sierra 1500 5.3L, 2/4 Wd, 148 & 157-Inch Wheelbases Moderate Sound Flowmaster
SKU: F00L 717858
Easy — 1–2 hours
Description
Part #: 717858
Introducing our new Flow FX Cat-back exhaust system for the 2019-2026 GM Silverado/Sierra 1500 with the 5.3L engine. The performance exhaust system fits both 2 and 4-Wheel drive models with 148 or 157-inch wheelbases and is manufactured from 409S stainless steel for years of trouble-free service.Features include a 3.00-inch inlet pipe leading into a Flow FX straight-through muffler for great sound and maximum performance. Maximum dyno gains of 10 hp and 12 lb.ft of torque at the rear wheels. The 3.00-inch mandrel-bent tailpipe exits out behind the rear passenger side tire and is finished off with large 4.50-inch diameter black ceramic coated 304S stainless steel tip, giving your Silverado/Sierra that custom look that goes hand in hand with the deep performance sound of the Flow FX muffler. The system uses all the factory hanger locations and connections for an easy installation that you can do at home. Includes detailed instructions and all necessary hardware.Deep Powerful Tone Inside and Outside the VehicleLarge 4.5-inch Stainless Black Ceramic Coated TipMax Dyno Gains of +10 hp & +12 lb.ft. TorqueFlowFX straight-through Performance MufflerUses the Factory Hanger LocationsFull Stainless Steel ConstructionLifetime Limited WarrantyEasy Installation
Features:
- Deep Powerful Tone Inside and Outside the Vehicle
- Deep Powerful Tone Inside And Outside The Vehicle
- Large 4.5-inch Stainless Black Ceramic Coated Tip
- Full Stainless Steel Construction
- Max Dyno Gains of +10 hp & +12 lb.ft. Torque
- Easy Installation
- FlowFX "Straight-through" Performance Muffler
- Uses the Factory Hanger Locations
- Full Stainless Steel Construction
- Lifetime Limited Warranty
- Easy Installation
Exhaust System - FlowFx - Cat-Back - 3 in Diameter - Single Side Exit - 4-1/2 in Black Ceramic Tip - Stainless - Natural - 5.3 L - GM Fullsize Truck 2019-20 - Kit
Fitment
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Specifications
| Brand | Flowmaster |
| Part Number | F00L 717858 |
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Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
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