The Flowmaster 717857 Force II Cat-Back Exhaust System is specifically engineered for 2019-2024 Chevrolet Silverado/GMC Sierra 1500 with 5.3L/6.2L V8 engines. This system features mandrel-bent 409S stainless steel construction and includes the moderate-sound FlowFX series muffler, delivering improved performance while maintaining daily-driver comfort.

Technical Specifications

• System Type: Force II Cat-Back
• Material: 409S Stainless Steel
• Main Pipe Diameter: 3"
• Muffler Series: FlowFX
• Tip Size: 4.5" Diameter
• Tip Style: Black Ceramic Coated
• Tip Length: 12"
• Sound Level: Moderate (3/5)
• System Weight: 52 lbs
• Ground Clearance: 7.5" minimum
• Tubing Gauge: 16-gauge

Vehicle Fitment

• Make: Chevrolet/GMC
• Models: Silverado/Sierra 1500
• Years: 2019-2024
• Engines: 5.3L/6.2L V8
• Cab Configurations:
  • Crew Cab/Short Bed (5'8")
  • Double Cab/Standard Bed (6'6")
• Drive: 2WD/4WD Compatible
• Dynamic Fuel Management Compatible

Performance Features

• Dyno-Tested Power Gain: 10-15 HP
• Torque Increase: 13-18 ft-lbs
• Flow Rating: 96% Free-Flow
• Back Pressure: Reduced by up to 35%
• Scavenging Effect: Moderate
• Sound Frequency: Tuned for 1500-3500 RPM
• Drone Elimination Technology
• Heat Shield: Integrated Design

Kit Components

1. FlowFX Series Muffler
2. Mandrel-Bent Pipes
3. Black Ceramic Coated Tip
4. Heavy-Duty Hangers
5. Premium Clamps
6. All Mounting Hardware
7. Detailed Instructions
8. Warranty Documentation

Installation Specifications

• Installation Type: Bolt-On
• Required Tools: Basic Hand Tools
• Installation Time: 1.5-2 hours
• Cutting Required: No
• Welding Required: No
• Factory Hanger Reuse: Yes
• Clearance Requirements: Stock
• ECU Modification: Not Required

Sound Characteristics

• Idle: Deep, Moderate Tone
• Cruising: Subtle Performance Note
• WOT: Aggressive without Excessive Noise
• Highway Drone: Minimal
• Interior Resonance: Low
• Cold Start: Moderate Volume
• Decibel Range: 78-88 dB