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Gibson Performance

GIB 1120.97

Gibson Performance Stainless Cat-Back Dual Extreme Exhaust | 2014-2018 Silverado/Sierra 1500 (65665)

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2014-2018 Silverado/Sierra 1500 3.5in/2.25in Cat-Back Dual Extreme Exhaust by Gibson Performance

For the extremist who wants to take their truck to the next level, this dual bolt-on Cat back system is for you. This system exists behind the rear tires at an aggressive angle with a powerful exhaust tone. You will gain bold street looks with powerful dyno tuned and tested street performance gains.

You can expect to experience gains on average of 15-20 horsepower. Gibson muffler provides a mean performance sound and complemented with polished Stainless Tip. Easy bolt-on installation. No welding required. Backed by a Lifetime Limited Warranty. If you want Extreme, this system is it.


  • Mandrel-bent tubing maintains constant exhaust flow through each bend for outstanding performance
  • Polished T304 stainless steel tip with clampless connection design
  • Zinc plated hangers and clamps
  • 3.5-in./2.25-in. Stainless mandrel bent tubing
  • 4in. Polished T304 Stainless Rolled Slash- Cut Tip


  • Minimal Interior Drone - Aggressive Sound
  • Hassle Free Bolt-On Installation
  • You can expect to experience gains on average of 15-20 horsepower


  • 2014-2018 Chevy Silverado 1500
  • 2014-2018 GMC Sierra 1500

What's In The Box?

  • 1 - Cat-Back Dual Extreme Exhaust


  • Manufacturer Standard Warranty.