Exhaust› Exhaust Pipes, Systems and Components
Flowmaster
Flow Fx Cat-Back Exhaust System Fits 2019-2026 Chevrolet Silverado 1500/Gmc Sierra 1500 Crew Cab/Double Cab Models With 5.3L Engine And Factory Dual Tailpipes Aggressive To Moderate Sound Flowmaster
SKU: F00L 717894
Moderate — 2–4 hours
Description
Part #: 717894
This Flowmaster Flow FX Cat-back exhaust system is designed for the 2019*-2026 GM Silverado/Sierra 1500 trucks (*new body style) with 5.3L engine and factory dual exhaust. This bolt-on system is manufactured using durable 409 stainless steel throughout and features a 3.00-inch inlet pipe leading to a single inlet/dual outlet Flow FX straight-through muffler for a deep, moderately aggressive sound and maximum performance.Maximum dyno gains of 21 hp and 26 lb.ft at the rear wheels. The dual 2.50-inch mandrel bent tailpipes are custom routed to clear the factory spare tire and tow hitch without any clearance issues and exit out through the factory exhaust bezels in the bumper, retaining the factory dual exhaust appearance. This system utilizes factory hanger locations, includes installation instructions, and all necessary hardware for an easy at home installation. Note: Fits 2WD and 4WD models.Deep Powerful Tone Inside and Outside the VehicleMax Dyno Gains of 21 hp and 26 lb.ft. of TorqueFlowFX straight-through Performance MufflerExits Through the Factory Exhaust BezelsAll Mandrel-bent Stainless Steel TubingUses the Factory Hanger LocationsIncludes All Necessary HardwareEasy at Home InstallationLifetime Limited Warranty
Features:
- Deep Powerful Tone Inside and Outside the Vehicle
- Deep Powerful Tone Inside And Outside The Vehicle
- Max Dyno Gains of 21 hp and 26 lb.ft. of Torque
- Exits Through The Factory Exhaust Bezels
- FlowFX "Straight-through" Performance Muffler
- Full Stainless Steel Construction
- Exits Through the Factory Exhaust Bezels
- Easy At Home Installation
- All Mandrel-bent Stainless Steel Tubing
- Uses the Factory Hanger Locations
- Includes All Necessary Hardware
- Easy at Home Installation
- Lifetime Limited Warranty
Fits 2019*-2023 (*New body) Chevrolet Silverado 1500/GMC Sierra 1500 Crew Cab/Double Cab models with 5.3L engine and factory dual tailpipes. - Aggressive to moderate sound
This product may expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.
MIA's Description
Fitment
Fitment Guaranteed
Don’t gamble
on fit.
Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.
Available on iOS & Android
Specifications
| Brand | Flowmaster |
| Part Number | F00L 717894 |
Videos
Buy with Confidence
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.
View Full Return Policy