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2019-20 GM Silverado/Sierra 1500 5.3L - FlowFX Cat-back Exhaust System 717894YouTube Button

Flowmaster FlowFX Cat-back Exhaust System

2019*-2020 (*New body) Chevrolet Silverado 1500/GMC Sierra 1500 Crew Cab/Double Cab models with 5.3L engine and factory dual tailpipes.

PART# 717894

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Aggressive to moderate sound

Overview

The new Flowmaster® FlowFX™ Cat-back exhaust system is designed for the 2019*-2020 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 FlowFX straight-through muffler for a deep, moderately aggressive sound and maximum performance. 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 OEM 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.

Features:

  • Deep Powerful Tone Inside and Outside the Vehicle
  • FlowFX "Straight-through" Performance Muffler
  • Exits Through the Factory Exhaust Bezels
  • All Mandrel-bent Stainless Steel Tubing
  • Uses the Factory Hanger Locations
  • Includes All Necessary Hardware
  • Easy at Home Installation
  • Lifetime Limited Warranty

Specs

BrandFlowmaster
Catalytic Converter IncludedNo
Emission Code5
Exhaust SeriesFlowFX
Exit PositionDual Out Rear
Heat ShieldNo
Material409 Stainless Steel
Mount TypeUses Factory Hangers
Muffler Body Length (in)18
Muffler ColorNatural
Muffler FinishBrushed
Muffler Inlet Diameter (in)3
Muffler Inlet LocationCentered
Muffler Material409S Stainless Steel
Muffler Outlet Diameter (in)2.5
Muffler Outlet LocationDual Outlet
Muffler Overall Length (in)24
Muffler Part NumberKit Only
Muffler Quantity1
Muffler SeriesFlowFX
Muffler ShapeOval
Muffler TypeAbsorption
Product TypeExhaust System
Single DualDual
Sound LevelAggressive / Moderate
System TypeCat-back
Tubing Diameter (in)2.5
Tubing Material409S Stainless Steel
California Proposition 65 Chemical NameChromium (hexavalent compounds)
Nickel (Metallic)
California Proposition 65 Chemical Name 1Nickel (metallic)
California Proposition 65 Chemical Name 2Chromium (hexavalent compounds)
California Proposition 65 RequiredYes
Part Number717894

Emissions

5

This part is legal for sale or use on Emissions Controlled Vehicles, Uncontrolled (Non-Emissions Controlled) Vehicles, and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations.

Tech Resources

Does not fit crew cab 2WD with 2-piece driveshaft. Does not fit 2019 LD/classic body style or trucks with factory single exhaust system.

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        Some parts are not legal for use in California or other states with similar regulations.

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