Product Summary

Cat-Back Exhaust System Type, Dual Single or Dual

  • Flowmaster built this exhaust kit specifically for the 2014-19 GM 1500
  • Features easy installation and offers a moderate/aggressive sound
  • Made from stainless steel mandrel bent tubing with a natural finish
  • Each system is dyno-tuned for maximum performance
  • It is covered by Flowmaster's lifetime limited warranty

Key Specs

MFG. Part #717787
Exhaust System TypeCat-Back
Single or DualDual
Exhaust Tubing Diameter3 Inch

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Flowmaster 717787 Details

Introducing Flowmaster's new line of FlowFX Cat-back exhaust systems for the 2014-19* (*Classic body) Chevrolet Silverado 1500 and GMC Sierra 1500 Crew Cab and Double Cab models with 5.3L engine. This FlowFX system is perfect for the person looking for a moderate to aggressive exterior and interior sound level with all of the performance benefits that you would expect from Flowmaster. Features include 409S stainless steel mandrel-bent tubing flowing into a FlowFX straight-through performance muffler for maximum power and a deep aggressive sound. The dual 2.50-inch tailpipes are finished off with large 4.00-inch black ceramic coated 304 stainless steel tips showing off the Flowmaster logo and exit in front of the rear passenger tire for that muscle truck look. Designed for easy installation, this system includes all necessary parts, hardware and detailed instructions. Notes: Does not fit crew cab 2WD with 2-piece driveshaft.
  • Easy Installation
  • Moderate/Aggressive Sound
  • Stainless Steel Mandrel Bent Tubing
  • Dyno-Tuned For Maximum Performance
  • Covered by Our Lifetime Limited Warranty
  • Large 4.00-inch Black Ceramic Coated Tips
  • FlowFX "Straight-through" Performance Muffler
  • Includes all Clamps, Hangers and Necessary Hardware


Flowmaster 717787 Specifications

MFG. Part #717787
Exhaust System TypeCat-Back
Single or DualDual
Exhaust Tubing Diameter3 Inch
Exhaust ExitDual Passenger Side Rear
Sound LevelModerate/Aggressive
Muffler(s) IncludedYes
Muffler Quantity1
Muffler TypeAbsorption
Exhaust Tip IncludedYes
Exhaust Tip Quantity2
Exhaust Tip ShapeRound
Exhaust Tip CutAngle
Exhaust Tip Edge StyleCut Edge | Double-Wall
Exhaust Tip Size4.00"
Exhaust Tip Length5.25"
Exhaust System Material409 Stainless Steel
Muffler Inlet Diameter3"
Muffler Outlet Diameter2.5"
Muffler Overall Length20"
Muffler Body Length14"
Muffler Material409 Stainless Steel
Muffler FinishBrushed
Muffler ColorNatural
Exhaust Tip Material304 Stainless Steel
Exhaust Tip FinishCeramic Coated
Mount TypeUses Factory Hangers
Catalytic Converter(s) IncludedNo
Sold in QuantityKit
GTIN Code700042038008
Exit LocationRear