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Gibson 2017 GMC Sierra 1500 Base 5.3L 3in/2.25in Cat-Back Dual Extreme Exhaust - Stainless Gibson GIB65658
Gibson 2017 GMC Sierra 1500 Base 5.3L 3in/2.25in Cat-Back Dual Extreme Exhaust - Stainless Gibson GIB65658
Gibson 2017 GMC Sierra 1500 Base 5.3L 3in/2.25in Cat-Back Dual Extreme Exhaust - Stainless Gibson GIB65658
Gibson 2017 GMC Sierra 1500 Base 5.3L 3in/2.25in Cat-Back Dual Extreme Exhaust - Stainless Gibson GIB65658
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Gibson 2017 GMC Sierra 1500 Base 5.3L 3in/2.25in Cat-Back Dual Extreme Exhaust - Stainless

Gibson
GIB65658
677418026955
Catback
Out of stock
$ 1,569.62

SKU: 65658 | UPC: 677418026955

Gibson 2014-2018 Chevrolet Silverado 1500 & GMC Sierra 1500 5.3L 3in/2.25in Cat-Back Dual Extreme Exhaust - Stainless

For truck owners pushing performance limits, the Gibson 65658 cat-back dual extreme exhaust system delivers dyno-tested power for 2014-2018 Chevrolet Silverado 1500 and GMC Sierra 1500 with 5.3L V8 engines. This bolt-on design starts behind the rear tires at an aggressive angle, producing a commanding exhaust tone and average gains of 15 horsepower and 19 ft-lbs torque. Polished stainless tips enhance street presence with durable construction.

Key Features

  • Dyno-Tested Power: Proven gains of 15 HP and 19 ft-lbs torque through precision tuning for noticeable acceleration and towing improvements
  • Aggressive Sound: Gibson extreme performance muffler (4.75" x 9.5") creates a deep, powerful rumble without drone on highway drives
  • Premium Construction: T-304 mandrel-bent stainless steel tubing (3" inlet to 2.25" over axle) resists corrosion and ensures long-term flow efficiency
  • Bold Styling: Dual 4" polished stainless slant-cut tips at 25-degree angle positioned behind rear tires for head-turning looks
  • Easy Fitment: Direct bolt-on design uses factory hangers, no cutting or welding needed for quick installation

Product Notes

  • Requires stock catalytic converters in place for proper fit and performance
  • Lifetime Limited Warranty covers defects in materials and workmanship
  • Oversized item requires signature confirmation upon delivery

Installation Notes

  • Professional installation recommended.
  • Bolt-on process takes 1-2 hours with basic tools, aligns with OEM mounting points
  • Includes all necessary clamps, hangers, and hardware for 2014-2018 GM 1500 trucks

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?

  • Performance proven on dyno for 2014-2018 GM 1500 trucks with real horsepower results
  • T-304 stainless steel build withstands harsh conditions with mirror-polished finish
  • USA-engineered systems match exact vehicle specs for seamless integration

Frequently Asked Questions

  • Q: Does this exhaust fit 6.2L V8 engines too?
    A: Yes, confirmed fit for both 5.3L and 6.2L V8 on listed 2014-2018 Silverado 1500 and Sierra 1500 models with catalytic converters
  • Q: What material and tip design are included?
    A: Full T-304 stainless steel construction with dual 4-inch polished slant-cut tips angled at 25 degrees for style and flow
  • Q: What warranty coverage applies?
    A: Lifetime Limited Warranty protects against manufacturing defects in tubing, muffler, and tips when installed correctly

Shipping & Handling

  • Method: UPS Ground or Freight for oversized package
  • Availability: In stock - ships same or next business day
  • Packaging: Single heavy-duty box measuring 48" L x 18" W x 16" H
  • Weight: 49 lbs

Request For Information

Have questions about Gibson 2017 GMC Sierra 1500 Base 5.3L 3in/2.25in Cat-Back Dual Extreme Exhaust - Stainless? Fill out the form below and we'll get back to you by the next business day.
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