Transform your 2009–2013 Chevrolet Silverado or GMC Sierra 1500 5.3L truck into a bold, aggressive powerhouse with the Flowmaster Outlaw Extreme Cat-Back Exhaust System. Designed for drivers seeking maximum sound and performance, this system utilizes a race-proven 3.00-inch stainless steel Outlaw muffler with a dump-style 3.00-inch turn-down exit, eliminating tailpipes for extreme ground clearance and unique styling.

This Outlaw Extreme system produces an unmistakably aggressive sound both inside and outside the truck, giving your vehicle a commanding presence on the road. The stainless steel construction ensures durability and long-term corrosion resistance, while the system comes with all necessary hardware for a straightforward at-home installation. Backed by Flowmaster’s Lifetime Limited Warranty, this exhaust system delivers reliable performance and iconic Flowmaster sound.

Key Features

• Race-proven 3.00-inch Outlaw muffler for extreme aggressive sound
• Dump-style single out exit eliminates traditional tailpipes
• Stainless steel construction for long-term durability
• Aggressive tone inside and outside the vehicle
• Uses factory hanger locations for easy installation
• Includes all necessary installation hardware
• Compatible with 2WD models
• Lifetime Limited Warranty

Specifications

• Brand: Flowmaster
• Weight: —
• California Proposition 65: Yes
• Chemical Name: Chromium (hexavalent compounds)
• CARB Compliant: Yes
• Catalytic Converter Included: No
• Category: Exhaust
• Clamping Type: Flat Band
• Clamps Included: Yes
• Drive: 2WD
• Emission Code: 5
• Exhaust Series: Outlaw Extreme
• Exhaust Tip Color: Black
• Exhaust Tip Connection: Welded
• Exhaust Tip Cut: Square
• Exhaust Tip Diameter: 3.00 in
• Exhaust Tip Edge: Slash Cut
• Exhaust Tip Finish: Black Ceramic Coating
• Exhaust Tip Material: 409 Stainless Steel
• Exhaust Tip Quantity: 1
• Exhaust Tip Shape: Round
• Exhaust Tip Wall: Single Wall
• Exit Style: Single Out Dump
• Finish: Natural
• Gasket or Seal Included: No
• Grade Type: Performance
• Hangers Included: Yes
• Heat Shield Included: No
• Inlet Diameter: 3.00 in
• Inlet Type: Clamp-On
• Main Piping Diameter: 3.00 in
• Mount Type: Uses Factory Hangers
• Muffler Body Diameter: 4.00 in
• Muffler Body Height: 4.00 in
• Muffler Body Length: 10.50 in
• Muffler Body Material: 409 Stainless Steel
• Muffler Body Shape: Round
• Muffler Body Width: 4.00 in
• Muffler Color: Black
• Muffler Finish: Black High-Temperature Paint Finish
• Muffler Included: Yes
• Muffler Inlet Connection: Slip-Fit
• Muffler Inlet Inside Diameter: 3.00 in
• Muffler Inlet Outside Diameter: 3.13 in
• Muffler Outlet Quantity: 1
• Muffler Part Number: Kit Only
• Muffler Quantity: 1
• Muffler Series: Outlaw
• Muffler Type: Chambered
• Part Type: Exhaust System
• Pipe Color: Black
• Pipe Material: 409 Stainless Steel
• Product Type: Exhaust System
• Sound Level: Aggressive
• Spring Bolt Kit Included: No
• Sub Category: Exhaust and Tail Pipes
• Tail Pipe Outlet Outside Diameter: 3.00 in
• Tail Pipe Quantity: 1
• Tail Pipe Tapered Outlet: No
• Tip Logo: None
• Type: Cat-Back
• Valve Included: No
• Valve Type: Not Applicable

Fitment 

Vehicle Compatibility:
• 2009–2013 Chevrolet Silverado 1500 5.3L
• 2009–2013 GMC Sierra 1500 5.3L

Cab / Bed Configurations:
• Extended Cab and Crew Cab only

Wheelbase:
• 143.5 in
• 157.5 in

Drivetrain:
• 2WD only

Notes:
• Dump-style single exit eliminates tailpipes
• Installation uses factory hangers with included hardware