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Flowmaster

Flowmaster Outlaw Series Exhaust Systems 818189 System, Cat-back, Series, 409 Stainless Steel, 4.50 in. Black Tips, Dual Rear Exit, Standard Cab, Extended Cab, Chevy, GMC, Kit

SKU: FLO818189

Exhaust Systems
Flowmaster Outlaw Series Exhaust Systems 818189 System, Cat-back, Series, 409 Stainless Steel, 4.50 in. Black Tips, Dual Rear Exit, Standard Cab, Extended Cab, Chevy, GMC, Kit

Flowmaster

Flowmaster Outlaw Series Exhaust Systems 818189 System, Cat-back, Series, 409 Stainless Steel, 4.50 in. Black Tips, Dual Rear Exit, Standard Cab, Extended Cab, Chevy, GMC, Kit

SKU: FLO818189

Exhaust Systems
A$3,399.55
LAST ONE! Est Ship 4-7 days. LAST ONE! This is the last unit at our distribution centre. Contact us if you need more. The ETA is the approximate time required to prepare your order for dispatch.
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Description

Flowmaster Outlaw Series exhaust systems are mandrel-bent for maximum performance and include specially designed mufflers. They deliver bold, dynamic interior and exterior tones for enthusiasts who covet the most aggressive components available. These systems include hardware and tips, where applicable--so installation is quick and easy. The kits are available in dozens of configurations for fitment on specific vehicles, including standard, crew, extended, and extended crew truck cabs; and long or short bed lengths. Order the Flowmaster Outlaw model designed for your application.

Part Type

Exhaust Systems

Data: v4.2 - Upd: 2026-10-17 03:10:41

Specifications

Product Attributes - Brand
Flowmaster
Product Attributes - Manufacturer's Part Number
818189
Product Attributes - Part Type
Exhaust Systems
Product Attributes - Product Line
Flowmaster Outlaw Series Exhaust Systems
Product Attributes - UPC
090127862148
Product Attributes - System Material
409 stainless steel
Product Attributes - System Style
Cat-back
Product Attributes - Exhaust Type
Single in/Dual out
Product Attributes - Exit Location
Split rear/Split side
Product Attributes - System Finish
Natural
Product Attributes - Catalytic Converter(s) Included
No
Product Attributes - Intermediate Pipe Diameter (in.)
3.00 in.
Product Attributes - Muffler Included
Yes
Product Attributes - Muffler Quantity
One
Product Attributes - Muffler Configuration
Single inlet/Dual outlet
Product Attributes - Muffler Style
Chambered
Product Attributes - Muffler Material
409 stainless steel
Product Attributes - Muffler Finish
Black
Product Attributes - Hardware Included
Yes
Product Attributes - Tailpipe Diameter (in.)
3.00 in.
Product Attributes - Tip Included
Yes
Product Attributes - Tip Outlet Size (in.)
4.50
Product Attributes - Tip Quantity
2
Product Attributes - Tip Shape
Round
Product Attributes - Tip Cut
Slant
Product Attributes - Tip Edge Style
Rolled edge, single-wall
Product Attributes - Tip Material
304 stainless steel
Product Attributes - Tip Color
Black
Product Attributes - Remanufactured
No
Product Attributes - Quantity
Sold as a kit.
Product Attributes - Notes
Fits standard cab and extended cab models. This exhaust kit is designed to fit 1500 and some 2500 light duty trucks with both left and right bank catalytic converters on the engine side of the 3-bolt flange of the down pipe.
Product Attributes - Special Attention
It is illegal to install parts or components that bypass, defeat, or render inoperative the manufacturers’ technology and design necessary to reduce vehicle emissions to meet state and federal Clean Air Act standards.

Reference Information

Brand Name/s Flowmaster
StreetFX SKU flo818189
SFX Item ID 4983884
Supplier Item Code 4983884
Manufacturer SKU 818189
Manufacturer UPC 90127862148
Alternative References FLM818189

Compatibility

Application Data
  • UniversalNo
    MakeGMC
    ModelK1500
    SubmodelSIERRA SLE
    Beginning Year1998
    Ending Year1999
    Engine TypeV8
    Engine Size5.7L/350
    Engine FamilyChevy small block Gen I
    Body StyleStandard Cab Pickup
    Truck Bed Length in. (AAIA)78.0in, 198.1cm
    TransmissionManual
    Drivetrain4WD
    Application Notes96.0in, 243.8cm; Crew Cab Pickup; 4WD; Flowmaster Outlaw Cat-Back Exhaust System
    Liter5.7
    CID350
    RegionUnited States (USA)
    Engine VIN CodeR
  • UniversalNo
    MakeGMC
    ModelK1500
    SubmodelSIERRA SL
    Beginning Year1999
    Ending Year1999
    Engine TypeV8
    Engine Size5.7L/350
    Engine FamilyChevy small block Gen I
    Body StyleExtended Cab Pickup
    Truck Bed Length in. (AAIA)96.0in, 243.8cm
    TransmissionAutomatic
    Drivetrain4WD
    Application Notes96.0in, 243.8cm; Crew Cab Pickup; 4WD; Flowmaster Outlaw Cat-Back Exhaust System
    Liter5.7
    CID350
    RegionUnited States (USA)
    Engine VIN CodeR
  • UniversalNo
    MakeGMC
    ModelK1500
    SubmodelSIERRA SLT
    Beginning Year1997
    Ending Year1999
    Engine TypeV8
    Engine Size5.7L/350
    Engine FamilyChevy small block Gen I
    Body StyleExtended Cab Pickup
    Truck Bed Length in. (AAIA)96.0in, 243.8cm
    TransmissionManual
    Drivetrain4WD
    Application NotesN/R, N/R; Crew Cab Pickup; 4WD; Flowmaster Outlaw Cat-Back Exhaust System
    Liter5.7
    CID350
    RegionUnited States (USA)
    Engine VIN CodeR
  • UniversalNo
    MakeGMC
    ModelC2500
    SubmodelSIERRA SLE
    Beginning Year1997
    Ending Year1998
    Engine TypeV8
    Engine Size5.7L/350
    Engine FamilyChevy small block Gen I
    Body StyleExtended Cab Pickup
    Truck Bed Length in. (AAIA)78.0in, 198.1cm
    TransmissionAutomatic
    Drivetrain4WD
    Application NotesN/R, N/R; Crew Cab Pickup; 4WD; Flowmaster Outlaw Cat-Back Exhaust System
    Liter5.7
    CID350
    RegionUnited States (USA)
    Engine VIN CodeR
  • UniversalNo
    MakeGMC
    ModelC2500
    SubmodelSIERRA SPECIAL
    Beginning Year1999
    Ending Year1999
    Engine TypeV8
    Engine Size5.7L/350
    Engine FamilyChevy small block Gen I
    Body StyleExtended Cab Pickup
    Truck Bed Length in. (AAIA)78.0in, 198.1cm
    TransmissionManual
    Drivetrain4WD
    Application NotesN/R, N/R; Crew Cab Pickup; 4WD; Flowmaster Outlaw Cat-Back Exhaust System
    Liter5.7
    CID350
    RegionUnited States (USA)
    Engine VIN CodeR
  • UniversalNo
    MakeGMC
    ModelK2500
    SubmodelSIERRA SLT
    Beginning Year1999
    Ending Year1997
    Engine TypeV8
    Engine Size5.7L/350
    Engine FamilyChevy small block Gen I
    Body StyleCrew Cab Pickup
    Truck Bed Length in. (AAIA)96.0in, 243.8cm
    TransmissionAutomatic
    Drivetrain4WD
    Application NotesN/R, N/R; Crew Cab Pickup; 4WD; Flowmaster Outlaw Cat-Back Exhaust System
    Liter5.7
    CID350
    RegionUnited States (USA)
    Engine VIN CodeR
  • UniversalNo
    MakeGMC
    ModelK2500
    SubmodelSIERRA SLE
    Beginning Year1999
    Ending Year1997
    Engine TypeV8
    Engine Size5.7L/350
    Engine FamilyChevy small block Gen I
    Body StyleCrew Cab Pickup
    Truck Bed Length in. (AAIA)96.0in, 243.8cm
    TransmissionManual
    Drivetrain4WD
    Application Notes96.0in, 243.8cm; Standard Cab Pickup; 4WD; Flowmaster Outlaw Cat-Back Exhaust System
    Liter5.7
    CID350
    RegionUnited States (USA)
    Engine VIN CodeR
  • UniversalNo
    MakeGMC
    ModelK2500
    SubmodelSIERRA SLE
    Beginning Year1999
    Ending Year1997
    Engine TypeV8
    Engine Size5.7L/350
    Engine FamilyChevy small block Gen I
    Body StyleCrew Cab Pickup
    Truck Bed Length in. (AAIA)78.0in, 198.1cm
    TransmissionAutomatic
    Drivetrain4WD
    Application Notes78.0in, 198.1cm; Standard Cab Pickup; 4WD; Flowmaster Outlaw Cat-Back Exhaust System
    Liter5.7
    CID350
    RegionUnited States (USA)
    Engine VIN CodeR
  • UniversalNo
    MakeGMC
    ModelK2500
    SubmodelSIERRA SLT
    Beginning Year1998
    Ending Year1997
    Engine TypeV8
    Engine Size5.7L/350
    Engine FamilyChevy small block Gen I
    Body StyleCrew Cab Pickup
    Truck Bed Length in. (AAIA)78.0in, 198.1cm
    TransmissionManual
    Drivetrain4WD
    Application Notes78.0in, 198.1cm; Cab & Chassis; 4WD; Flowmaster Outlaw Cat-Back Exhaust System
    Liter5.7
    CID350
    RegionUnited States (USA)
    Engine VIN CodeR
  • UniversalNo
    MakeGMC
    ModelK2500
    SubmodelSIERRA SLT
    Beginning Year1998
    Ending Year1997
    Engine TypeV8
    Engine Size5.7L/350
    Engine FamilyChevy small block Gen I
    Body StyleCrew Cab Pickup
    Truck Bed Length in. (AAIA)96.0in, 243.8cm
    TransmissionAutomatic
    Drivetrain4WD
    Application Notes96.0in, 243.8cm; Standard Cab Pickup; 4WD; Flowmaster Outlaw Cat-Back Exhaust System
    Liter5.7
    CID350
    RegionUnited States (USA)
    Engine VIN CodeR
  • UniversalNo
    MakeGMC
    ModelK2500
    SubmodelSIERRA SLT
    Beginning Year1998
    Ending Year1997
    Engine TypeV8
    Engine Size5.7L/350
    Engine FamilyChevy small block Gen I
    Body StyleCab & Chassis
    Truck Bed Length in. (AAIA)96.0in, 243.8cm
    TransmissionManual
    Drivetrain4WD
    Application Notes96.0in, 243.8cm; Cab & Chassis; 4WD; Flowmaster Outlaw Cat-Back Exhaust System
    Liter5.7
    CID350
    RegionUnited States (USA)
    Engine VIN CodeR
  • UniversalNo
    MakeGMC
    ModelK2500
    SubmodelSIERRA SLT
    Beginning Year1998
    Ending Year1997
    Engine TypeV8
    Engine Size5.7L/350
    Engine FamilyChevy small block Gen I
    Body StyleCab & Chassis
    Truck Bed Length in. (AAIA)78.0in, 198.1cm
    TransmissionAutomatic
    Drivetrain4WD
    Application NotesN/R, N/R; Cab & Chassis; RWD; Flowmaster Outlaw Cat-Back Exhaust System
    Liter5.7
    CID350
    RegionUnited States (USA)
    Engine VIN CodeR
  • UniversalNo
    MakeGMC
    ModelK2500
    SubmodelSIERRA SLT
    Beginning Year1999
    Ending Year1997
    Engine TypeV8
    Engine Size5.7L/350
    Engine FamilyChevy small block Gen I
    Body StyleCab & Chassis
    Truck Bed Length in. (AAIA)78.0in, 198.1cm
    TransmissionManual
    Drivetrain4WD
    Application NotesN/R, N/R; Cab & Chassis; 4WD; Flowmaster Outlaw Cat-Back Exhaust System
    Liter5.7
    CID350
    RegionUnited States (USA)
    Engine VIN CodeR
  • UniversalNo
    MakeGMC
    ModelK1500
    SubmodelSIERRA SLT
    Beginning Year1999
    Ending Year1999
    Engine TypeV8
    Engine Size5.7L/350
    Engine FamilyChevy small block Gen I
    Body StyleCrew Cab Pickup
    Truck Bed Length in. (AAIA)96.0in, 243.8cm
    TransmissionAutomatic
    Drivetrain4WD
    Application Notes96.0in, 243.8cm; Extended Cab Pickup; 4WD; Flowmaster Outlaw Cat-Back Exhaust System
    Liter5.7
    CID350
    RegionUnited States (USA)
    Engine VIN CodeR
  • UniversalNo
    MakeGMC
    ModelK1500
    SubmodelSIERRA SL
    Beginning Year1999
    Ending Year1999
    Engine TypeV8
    Engine Size5.7L/350
    Engine FamilyChevy small block Gen I
    Body StyleCrew Cab Pickup
    Truck Bed Length in. (AAIA)96.0in, 243.8cm
    TransmissionManual
    Drivetrain4WD
    Application Notes78.0in, 198.1cm; Extended Cab Pickup; 4WD; Flowmaster Outlaw Cat-Back Exhaust System
    Liter5.7
    CID350
    RegionUnited States (USA)
    Engine VIN CodeR
  • UniversalNo
    MakeGMC
    ModelK1500
    SubmodelSIERRA SL
    Beginning Year1999
    Ending Year1997
    Engine TypeV8
    Engine Size5.7L/350
    Engine FamilyChevy small block Gen I
    Body StyleStandard Cab Pickup
    Truck Bed Length in. (AAIA)78.0in, 198.1cm
    TransmissionAutomatic
    Drivetrain4WD
    Application Notes78.0in, 198.1cm; Standard Cab Pickup; 4WD; Flowmaster Outlaw Cat-Back Exhaust System
    Liter5.7
    CID350
    RegionUnited States (USA)
    Engine VIN CodeR
  • UniversalNo
    MakeGMC
    ModelC2500
    SubmodelSIERRA SLT
    Beginning Year1999
    Ending Year1997
    Engine TypeV8
    Engine Size5.7L/350
    Engine FamilyChevy small block Gen I
    Body StyleCrew Cab Pickup
    Truck Bed Length in. (AAIA)78.0in, 198.1cm
    TransmissionManual
    Drivetrain4WD
    Application Notes96.0in, 243.8cm; Extended Cab Pickup; 4WD; Flowmaster Outlaw Cat-Back Exhaust System
    Liter5.7
    CID350
    RegionUnited States (USA)
    Engine VIN CodeR
  • UniversalNo
    MakeGMC
    ModelC2500
    SubmodelSIERRA SLT
    Beginning Year1999
    Ending Year1997
    Engine TypeV8
    Engine Size5.7L/350
    Engine FamilyChevy small block Gen I
    Body StyleCrew Cab Pickup
    Truck Bed Length in. (AAIA)96.0in, 243.8cm
    TransmissionAutomatic
    Drivetrain4WD
    Application NotesN/R, N/R; Extended Cab Pickup; 4WD; Flowmaster Outlaw Cat-Back Exhaust System
    Liter5.7
    CID350
    RegionUnited States (USA)
    Engine VIN CodeR
  • UniversalNo
    MakeGMC
    ModelC2500
    SubmodelSIERRA SLT
    Beginning Year1999
    Ending Year1997
    Engine TypeV8
    Engine Size5.7L/350
    Engine FamilyChevy small block Gen I
    Body StyleCab & Chassis
    Truck Bed Length in. (AAIA)96.0in, 243.8cm
    TransmissionManual
    Drivetrain4WD
    Application NotesN/R, N/R; Extended Cab Pickup; 4WD; Flowmaster Outlaw Cat-Back Exhaust System
    Liter5.7
    CID350
    RegionUnited States (USA)
    Engine VIN CodeR
  • UniversalNo
    MakeGMC
    ModelC2500
    SubmodelSIERRA SLT
    Beginning Year1999
    Ending Year1997
    Engine TypeV8
    Engine Size5.7L/350
    Engine FamilyChevy small block Gen I
    Body StyleCab & Chassis
    Truck Bed Length in. (AAIA)78.0in, 198.1cm
    TransmissionAutomatic
    Drivetrain4WD
    Application Notes78.0in, 198.1cm; Standard Cab Pickup; 4WD; Flowmaster Outlaw Cat-Back Exhaust System
    Liter5.7
    CID350
    RegionUnited States (USA)
    Engine VIN CodeR
  • UniversalNo
    MakeGMC
    ModelC1500
    SubmodelSIERRA SLE
    Beginning Year1999
    Ending Year1999
    Engine TypeV8
    Engine Size5.7L/350
    Engine FamilyChevy small block Gen I
    Body StyleCab & Chassis
    Truck Bed Length in. (AAIA)78.0in, 198.1cm
    TransmissionAutomatic
    Drivetrain4WD
    Application Notes78.0in, 198.1cm; Standard Cab Pickup; 4WD; Flowmaster Outlaw Cat-Back Exhaust System
    Liter5.7
    CID350
    RegionUnited States (USA)
    Engine VIN CodeR
  • UniversalNo
    MakeGMC
    ModelC1500
    SubmodelSIERRA SLE
    Beginning Year1999
    Ending Year1999
    Engine TypeV8
    Engine Size5.7L/350
    Engine FamilyChevy small block Gen I
    Body StyleStandard Cab Pickup
    Truck Bed Length in. (AAIA)96.0in, 243.8cm
    TransmissionManual
    Drivetrain4WD
    Application Notes96.0in, 243.8cm; Standard Cab Pickup; 4WD; Flowmaster Outlaw Cat-Back Exhaust System
    Liter5.7
    CID350
    RegionUnited States (USA)
    Engine VIN CodeR
  • UniversalNo
    MakeGMC
    ModelC1500
    SubmodelSIERRA SLE
    Beginning Year1996
    Ending Year1996
    Engine TypeV8
    Engine Size5.7L/350
    Engine FamilyChevy small block Gen I
    Body StyleStandard Cab Pickup
    Truck Bed Length in. (AAIA)96.0in, 243.8cm
    TransmissionManual
    Drivetrain4WD
    Application Notes96.0in, 243.8cm; Standard Cab Pickup; 4WD; Flowmaster Outlaw Cat-Back Exhaust System
    Liter5.7
    CID350
    RegionUnited States (USA)
    Engine VIN CodeR
  • UniversalNo
    MakeGMC
    ModelC1500
    SubmodelSIERRA SLE
    Beginning Year1996
    Ending Year1996
    Engine TypeV8
    Engine Size5.7L/350
    Engine FamilyChevy small block Gen I
    Body StyleCrew Cab Pickup
    Truck Bed Length in. (AAIA)96.0in, 243.8cm
    TransmissionAutomatic
    Drivetrain4WD
    Application Notes78.0in, 198.1cm; Crew Cab Pickup; 4WD; Flowmaster Outlaw Cat-Back Exhaust System
    Liter5.7
    CID350
    RegionUnited States (USA)
    Engine VIN CodeR
  • UniversalNo
    MakeGMC
    ModelK1500
    SubmodelSIERRA SLE
    Beginning Year1999
    Ending Year1999
    Engine TypeV8
    Engine Size5.7L/350
    Engine FamilyChevy small block Gen I
    Body StyleCrew Cab Pickup
    Truck Bed Length in. (AAIA)78.0in, 198.1cm
    TransmissionAutomatic
    Drivetrain4WD
    Application Notes78.0in, 198.1cm; Crew Cab Pickup; 4WD; Flowmaster Outlaw Cat-Back Exhaust System
    Liter5.7
    CID350
    RegionUnited States (USA)
    Engine VIN CodeR

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