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Gibson 15-18 Chevrolet Silverado 1500 LS 5.3L 3in/2.25in Cat-Back Dual Extreme Exhaust - Aluminized Gibson GIB5658
Gibson 15-18 Chevrolet Silverado 1500 LS 5.3L 3in/2.25in Cat-Back Dual Extreme Exhaust - Aluminized Gibson GIB5658
Gibson 15-18 Chevrolet Silverado 1500 LS 5.3L 3in/2.25in Cat-Back Dual Extreme Exhaust - Aluminized Gibson GIB5658
Gibson 15-18 Chevrolet Silverado 1500 LS 5.3L 3in/2.25in Cat-Back Dual Extreme Exhaust - Aluminized Gibson GIB5658
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Gibson 15-18 Chevrolet Silverado 1500 LS 5.3L 3in/2.25in Cat-Back Dual Extreme Exhaust - Aluminized

Gibson
GIB5658
677418026825
Catback
Out of stock
$ 1,431.85

SKU: 5658 | UPC: 677418026825

Gibson 2014-2018 Chevrolet Silverado 1500 GMC Sierra 1500 3in/2.25in Cat-Back Dual Extreme Exhaust - Aluminized

This cat-back exhaust system bolts on behind the catalytic converters for 2014-2018 Chevrolet Silverado 1500 and GMC Sierra 1500 select models with 5.3L V8 including LS Custom LT LTZ High Country WT SSV. It produces an aggressive dual-side exit tone from behind the rear tires at a sharp angle with dyno-tested gains of 15-20 horsepower and 19 lb-ft torque. Polished stainless tips add bold street presence to your truck's rear end.

Key Features

  • Dyno-Tuned Performance: Tested on chassis dyno for average gains of 15 rear-wheel horsepower and 19 lb-ft torque delivering noticeable acceleration and towing power.
  • Aggressive Sound Profile: Gibson 4-inch superflow straight-through muffler creates a deep powerful rumble that intensifies under throttle for an extreme exhaust note.
  • Dual Side-Exit Design: 3-inch tubing reduces to 2.25-inch tailpipes exiting behind rear tires at 25-degree aggressive angle for standout looks and balanced flow.
  • Premium Finish: Mirror-polished 409 stainless steel 4x5-inch angle-cut tips resist corrosion and shine under any conditions.
  • Bolt-On Simplicity: Complete system uses factory hangers and clamps for straightforward installation without cutting or welding.

Product Notes

  • Designed exclusively for Crew Cab Short Bed models 143.5-inch wheelbase.
  • Aluminized steel construction provides rust resistance for long-term durability.
  • Special order item allow 3-5 business days for processing and shipping.

Installation Notes

  • Professional installation recommended.
  • No welding or cutting required uses OEM-style hangers and hardware included.
  • Direct fit for listed 5.3L V8 applications torque clamps to 40 lb-ft.

This Part Fits

Year Make Model Submodel
2016-2018 Chevrolet Silverado 1500 Custom
2014-2018 Chevrolet Silverado 1500 High Country
2015-2018 Chevrolet Silverado 1500 LS
2014-2018 Chevrolet Silverado 1500 LT
2014-2018 Chevrolet Silverado 1500 LTZ
2015-2018 Chevrolet Silverado 1500 SSV
2014-2018 Chevrolet Silverado 1500 WT
2014-2018 GMC Sierra 1500 Base
2014-2018 GMC Sierra 1500 Denali
2014-2018 GMC Sierra 1500 SLE
2014-2018 GMC Sierra 1500 SLT

Why Choose Gibson?

  • Systems dyno-tested for real-world power gains on every application.
  • Lifetime Limited Warranty covers structural integrity and defects.
  • Precision mandrel-bent tubing ensures smooth flow and exact fitment.

Frequently Asked Questions

  • Q: Does Gibson 5658 fit my 2015 Chevrolet Silverado 1500 LS 5.3L Crew Cab Short Bed?
    A: Yes it fits 2015-2018 Silverado 1500 LS Crew Cab Short Bed 143.5-inch wheelbase with 5.3L V8 confirm submodel in fitment table.
  • Q: What materials are used in this exhaust?
    A: Aluminized steel tubing and muffler body paired with 409-grade stainless steel tips for durability and weather resistance.
  • Q: What warranty coverage applies and is installation easy?
    A: Lifetime Limited Warranty on structure bolt-on design installs in 1-2 hours using provided hardware and factory mounts no welding needed.

Shipping & Handling

  • Method: Standard ground shipping via freight carrier
  • Availability: In stock - ships same or next business day
  • Packaging: Heavy-duty single box measures 48 x 20 x 14 inches
  • Weight: 58 lbs

Request For Information

Have questions about Gibson 15-18 Chevrolet Silverado 1500 LS 5.3L 3in/2.25in Cat-Back Dual Extreme Exhaust - Aluminized? Fill out the form below and we'll get back to you by the next business day.
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