Gibson 15-20 Chevrolet Tahoe LS 5.3L 2.25in Cat-Back Dual Extreme Exhaust - Aluminized Gibson GIB5668
Gibson 15-20 Chevrolet Tahoe LS 5.3L 2.25in Cat-Back Dual Extreme Exhaust - Aluminized Gibson GIB5668
Gibson 15-20 Chevrolet Tahoe LS 5.3L 2.25in Cat-Back Dual Extreme Exhaust - Aluminized Gibson GIB5668
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Gibson 15-20 Chevrolet Tahoe LS 5.3L 2.25in Cat-Back Dual Extreme Exhaust - Aluminized

Gibson
GIB5668
677418027273
Catback
1 Units In Stock - Ships Next Business Day
$ 1,389.73
$ 1,389.73

SKU: 5668 | UPC: 677418027273

Gibson 2015-2020 Chevrolet Tahoe GMC Yukon 5.3L 2.25in Cat-Back Dual Extreme Exhaust Aluminized

This Gibson dual extreme cat-back exhaust system fits 2015-2020 Chevrolet Tahoe and GMC Yukon models with 5.3L engines. It bolts on behind the catalytic converters for immediate power gains of 15-20 horsepower and 19 lb-ft torque along with a deep aggressive exhaust tone. The design exits behind each rear tire at a sharp angle for bold street presence and dyno-proven performance.

Key Features

  • Mandrel-Bent Tubing: 2.25-inch aluminized steel tubing ensures smooth exhaust flow reduces backpressure and supports consistent power delivery
  • Polished Stainless Tips: 4-inch T304 stainless rolled slash-cut tips with 2.25-inch inlet 4-inch outlet and 12-inch length clamp on for durable shine and precise fit
  • Performance Muffler: 8-inch round baffled chambered muffler with 3-inch offset inlet 2.25-inch dual outlets and 24-inch length minimizes drone while producing powerful sound
  • Power Improvements: Dyno-tested average gains of 15 rear-wheel horsepower and 19 lb-ft torque transform truck acceleration and throttle response
  • Complete Kit: Includes all hardware factory-style hangers and clamps for direct bolt-on replacement with no cutting or welding needed

Product Notes

  • System positions at aggressive angle behind rear tires for standout appearance and sound projection
  • Aluminized steel construction resists corrosion for long-term reliability in daily driving
  • Packages in heavy-duty box measuring 48 x 16 x 16 inches weighs 47 pounds for secure transit

Installation Notes

  • Professional installation recommended.
  • Bolt-on design reuses factory hangers and mounts for 1-2 hour install on stock vehicles
  • Compatible with all OEM catalytic converters and oxygen sensors no modifications required

This Part Fits

Year Make Model Submodel
2015-2020 Chevrolet Tahoe LS
2015-2020 Chevrolet Tahoe LT
2015-2016 Chevrolet Tahoe LTZ
2015-2020 Chevrolet Tahoe PPV
2017-2020 Chevrolet Tahoe Premier
2015-2020 Chevrolet Tahoe SSV
2015-2020 GMC Yukon SLE
2015-2020 GMC Yukon SLT

Why Choose Gibson?

  • Engineered and dyno-tested in the USA for real-world truck performance
  • Baffled chambered muffler technology delivers deep tone without excessive cabin noise
  • Lifetime limited warranty covers defects in materials and workmanship

Frequently Asked Questions

  • Q: Will this exhaust fit my 2018 Tahoe LS 5.3L with stock cat-back?
    A: Yes it directly replaces the factory cat-back on all listed 2015-2020 Tahoe 5.3L models using OEM hangers and clamps for perfect alignment
  • Q: What material is used and how does it hold up?
    A: Aluminized steel tubing paired with T304 stainless tips provides rust resistance and strength for years of aggressive driving in various conditions
  • Q: What does the warranty cover for part 5668?
    A: Lifetime limited warranty protects against manufacturing defects when installed and used as directed contact Gibson for claims

Shipping & Handling

  • Method: UPS Ground or FedEx Ground
  • Availability: In stock - ships same or next business day
  • Packaging: Securely boxed at 48 x 16 x 16 inches
  • Weight: 47 pounds

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