Flowmaster

Flowmaster 817854 Outlaw Cat-Back Exhaust System — 2019-21 GM Pickup 1500 5.3L

Flowmaster 817854 Outlaw Cat-Back Exhaust System — 2019-21 GM Pickup 1500 5.3L
Flowmaster 817854 Outlaw Cat-Back Exhaust System — 2019-21 GM Pickup 1500 5.3L
Flowmaster 817854 Outlaw Cat-Back Exhaust System — 2019-21 GM Pickup 1500 5.3L
Flowmaster 817854 Outlaw Cat-Back Exhaust System — 2019-21 GM Pickup 1500 5.3L
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Flowmaster 817854 Outlaw Cat-Back Exhaust System — 2019-21 GM Pickup 1500 5.3LFlowmaster 817854 Outlaw Cat-Back Exhaust System — 2019-21 GM Pickup 1500 5.3LFlowmaster 817854 Outlaw Cat-Back Exhaust System — 2019-21 GM Pickup 1500 5.3LFlowmaster 817854 Outlaw Cat-Back Exhaust System — 2019-21 GM Pickup 1500 5.3L
Flowmaster

Flowmaster 817854 Outlaw Cat-Back Exhaust System — 2019-21 GM Pickup 1500 5.3L

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SKU: BDXN_817854
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$1,061.95 $1,078.95
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Car Wheel Size Chart

Wheel Diameter (inches) Tire Width (mm) Aspect Ratio Rim Width (inches)
14185655.5
15195606.0
16205556.5
17215507.0
18225457.5
19235408.0
20245358.5

Note: Wheel and tire sizes vary by car make and model. Always consult your vehicle’s manufacturer for exact specifications.

How to Read Tire Size

Example: 225/45R17 means:

  • 225 = Tire width in mm
  • 45 = Aspect ratio (height as % of width)
  • R17 = Rim diameter in inches
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Product Details

Product Description
Part Numbers
Sizing & Fit

About Flowmaster

Flowmaster engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Flowmaster lineup with fast shipping and expert fitment support — order with confidence.

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Flowmaster 817854 Outlaw Series Cat-Back Exhaust System

Experience an aggressive, race-inspired sound and improved performance with the Flowmaster 817854 Outlaw Series Cat-Back Exhaust System. Engineered specifically for the 2019-2021 GM Pickup 1500 equipped with the 5.3L engine, this system delivers an exhilarating driving experience.

System Highlights:

  • Series: Outlaw Series for maximum sound and performance
  • Fitment: Designed for 2019-2021 GM Fullsize Trucks (Crew Cab) with 5.3L engine
  • Material: Constructed from durable, high-quality stainless steel for longevity
  • Tailpipe: Features a 3-inch diameter tailpipe
  • Tips: Includes two 4-inch diameter black ceramic coated tips for a stealthy, aggressive look
  • Sound Level: Aggressive, loud exterior and interior sound
  • Finish: Natural stainless steel finish with black tips

The Flowmaster 817854 system replaces your factory exhaust from the catalytic converter back, optimizing exhaust flow for noticeable gains in horsepower and torque. The Outlaw series is known for its unapologetic, bold tone, making it ideal for enthusiasts seeking a truly aggressive exhaust note. The black ceramic coated tips provide a striking contrast and added protection. Installation is straightforward, designed as a direct bolt-on replacement. Elevate your GM truck's performance and sound profile with this premium Flowmaster cat-back system from GGCRACING.

Product Details

Product Description
Part Numbers
Sizing & Fit

About Flowmaster

Flowmaster engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Flowmaster lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

Flowmaster 817854 Outlaw Series Cat-Back Exhaust System

Experience an aggressive, race-inspired sound and improved performance with the Flowmaster 817854 Outlaw Series Cat-Back Exhaust System. Engineered specifically for the 2019-2021 GM Pickup 1500 equipped with the 5.3L engine, this system delivers an exhilarating driving experience.

System Highlights:

  • Series: Outlaw Series for maximum sound and performance
  • Fitment: Designed for 2019-2021 GM Fullsize Trucks (Crew Cab) with 5.3L engine
  • Material: Constructed from durable, high-quality stainless steel for longevity
  • Tailpipe: Features a 3-inch diameter tailpipe
  • Tips: Includes two 4-inch diameter black ceramic coated tips for a stealthy, aggressive look
  • Sound Level: Aggressive, loud exterior and interior sound
  • Finish: Natural stainless steel finish with black tips

The Flowmaster 817854 system replaces your factory exhaust from the catalytic converter back, optimizing exhaust flow for noticeable gains in horsepower and torque. The Outlaw series is known for its unapologetic, bold tone, making it ideal for enthusiasts seeking a truly aggressive exhaust note. The black ceramic coated tips provide a striking contrast and added protection. Installation is straightforward, designed as a direct bolt-on replacement. Elevate your GM truck's performance and sound profile with this premium Flowmaster cat-back system from GGCRACING.

Product Details

Product Description

About Flowmaster

Flowmaster engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Flowmaster lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

Flowmaster 817854 Outlaw Series Cat-Back Exhaust System

Experience an aggressive, race-inspired sound and improved performance with the Flowmaster 817854 Outlaw Series Cat-Back Exhaust System. Engineered specifically for the 2019-2021 GM Pickup 1500 equipped with the 5.3L engine, this system delivers an exhilarating driving experience.

System Highlights:

  • Series: Outlaw Series for maximum sound and performance
  • Fitment: Designed for 2019-2021 GM Fullsize Trucks (Crew Cab) with 5.3L engine
  • Material: Constructed from durable, high-quality stainless steel for longevity
  • Tailpipe: Features a 3-inch diameter tailpipe
  • Tips: Includes two 4-inch diameter black ceramic coated tips for a stealthy, aggressive look
  • Sound Level: Aggressive, loud exterior and interior sound
  • Finish: Natural stainless steel finish with black tips

The Flowmaster 817854 system replaces your factory exhaust from the catalytic converter back, optimizing exhaust flow for noticeable gains in horsepower and torque. The Outlaw series is known for its unapologetic, bold tone, making it ideal for enthusiasts seeking a truly aggressive exhaust note. The black ceramic coated tips provide a striking contrast and added protection. Installation is straightforward, designed as a direct bolt-on replacement. Elevate your GM truck's performance and sound profile with this premium Flowmaster cat-back system from GGCRACING.

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