Flowmaster FlowFX Cat-Back Exhaust Kit - Dual Rear Exit - Fits 2014-2018 GM 1500 5.3L

SKU: BDXN_717869

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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

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 FlowFX Cat-Back Exhaust System for 2014-2018 GM 1500 5.3L

Enhance the sound and performance of your GM 1500 pickup with this Flowmaster FlowFX Cat-Back Exhaust Kit. Designed for the 5.3L engine in 2014-2018 models, this system provides an aggressive tone and a stylish appearance.

System Highlights:

  • System Type: Cat-Back
  • Series: FlowFX
  • Exit Style: Dual Rear Exit
  • Tip Dimensions: 4.5 inches (each)
  • Tip Finish: Black Ceramic
  • Material: Premium Stainless Steel
  • Tailpipe Diameter: 2.5 inches
  • Engine Compatibility: 5.3L V8
  • Vehicle Fitment: 2014-2018 GM Fullsize 1500 Trucks (Crew Cab specified)

This FlowFX cat-back system offers a distinct, aggressive exhaust note that announces the presence of your powerful V8. Constructed from high-quality stainless steel, it ensures excellent durability and resistance to rust and corrosion, even in harsh conditions. The dual rear exit configuration, paired with 4.5-inch black ceramic coated tips, adds a modern and aggressive visual upgrade to the back of your truck. This kit is engineered for a direct fit, simplifying installation as a replacement for your stock exhaust. Experience a noticeable improvement in exhaust tone and a sportier feel behind the wheel. Get this Flowmaster exhaust system for your GM truck today at GGCRACING.

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 FlowFX Cat-Back Exhaust System for 2014-2018 GM 1500 5.3L

Enhance the sound and performance of your GM 1500 pickup with this Flowmaster FlowFX Cat-Back Exhaust Kit. Designed for the 5.3L engine in 2014-2018 models, this system provides an aggressive tone and a stylish appearance.

System Highlights:

  • System Type: Cat-Back
  • Series: FlowFX
  • Exit Style: Dual Rear Exit
  • Tip Dimensions: 4.5 inches (each)
  • Tip Finish: Black Ceramic
  • Material: Premium Stainless Steel
  • Tailpipe Diameter: 2.5 inches
  • Engine Compatibility: 5.3L V8
  • Vehicle Fitment: 2014-2018 GM Fullsize 1500 Trucks (Crew Cab specified)

This FlowFX cat-back system offers a distinct, aggressive exhaust note that announces the presence of your powerful V8. Constructed from high-quality stainless steel, it ensures excellent durability and resistance to rust and corrosion, even in harsh conditions. The dual rear exit configuration, paired with 4.5-inch black ceramic coated tips, adds a modern and aggressive visual upgrade to the back of your truck. This kit is engineered for a direct fit, simplifying installation as a replacement for your stock exhaust. Experience a noticeable improvement in exhaust tone and a sportier feel behind the wheel. Get this Flowmaster exhaust system for your GM truck today at GGCRACING.

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