Exhaust› Exhaust Pipes, Systems and Components
Flowmaster
Flow Fx Cat-Back Exhaust System Fits 2011-2019 GM 2500Hd/3500Hd 6.0-Liter, Cat-Back, Dual Side Exit, Flow Fx Stainless Steel Exhaust System Flowmaster
SKU: F00L 717987
Moderate — 2–4 hours
Description
Fitment
Fitment Guaranteed
Don’t gamble
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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 717987 |
Videos
Flowmaster FlowFX Dual Side Exit Rear Exhaust System for 2011-2019 GM 2500HD/3500HD 6.0L (717987)
2014-2018 Silverado & Sierra Flowmaster FlowFX Exhaust w/Black Tip; Side Exit Review & Install
2014-19* GM Silverado/Sierra 1500 5.3L - Flowmaster FlowFX Cat-back Exhaust 717869
2019-20 GM Silverado/Sierra 1500 5.3L - FlowFX Cat-back Exhaust System 717894
2014-19* GM Silverado/Sierra 1500 5.3L - FlowFX Cat-back Exhaust System 717857
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.
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