Gibson 99-05 Chevrolet Silverado 1500 Base 4.3L 2.5in Cat-Back Super Truck Exhaust - Stainless Gibson GIB65518
Gibson 99-05 Chevrolet Silverado 1500 Base 4.3L 2.5in Cat-Back Super Truck Exhaust - Stainless Gibson GIB65518
Gibson 99-05 Chevrolet Silverado 1500 Base 4.3L 2.5in Cat-Back Super Truck Exhaust - Stainless Gibson GIB65518
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Gibson 99-05 Chevrolet Silverado 1500 Base 4.3L 2.5in Cat-Back Super Truck Exhaust - Stainless

Gibson
GIB65518
677418010060
Catback
1 Units In Stock - Ships Next Business Day
$ 1,246.35
$ 1,246.35

SKU: 65518 | UPC: 677418010060

Gibson 99-05 Chevrolet Silverado 1500 Base 4.3L 2.5in Cat-Back Super Truck Exhaust - Stainless

Gibson Super Truck Exhaust System delivers a loud deep powerful sound through 2.5-inch stainless tubing and dual polished tips exiting in front of the rear tires. Designed for 1999-2007 Chevrolet Silverado 1500 Classic and 1999-2006 GMC Sierra 1500 select V6 models including Base LS LT plus select 2500 models. Expect race rumble tone improved acceleration 10-15 horsepower gains and 15-20 lb-ft torque increases from dyno testing with hassle-free bolt-on installation.

Key Features

  • Deep Aggressive Sound: Produces race-inspired rumble with dual stainless tips positioned ahead of rear tires for truck-tough presence on the road
  • Proven Power Gains: Dyno-tested average increases of 10-15 HP and 15-20 lb-ft torque for quicker throttle response and stronger pull
  • Stainless Steel Build: Mandrel-bent 2.5-inch tubing with polished 3.5-inch tips resists corrosion ensures long-lasting shine and durability
  • Bolt-On Design: Direct fit using factory mounts and hangers no cutting welding or fabrication needed for easy weekend install
  • Lifetime Warranty: Backed by Gibson limited lifetime coverage for structural integrity and performance you can count on

Product Notes

  • Not recommended for towing applications due to aggressive sound and performance focus
  • Noise levels may exceed 95 decibels verify local regulations before install
  • MPN 65518 designed specifically for 4.3L V6 engines in listed fitments

Installation Notes

  • Professional installation recommended.
  • Hassle-free bolt-on process completes in 1-2 hours with basic tools
  • Compatible with OEM hangers clamps and hardware no modifications required

This Part Fits

Year Make Model Submodel
1999-2005 Chevrolet Silverado 1500 Base
2004 Chevrolet Silverado 1500 Hybrid
1999-2006 Chevrolet Silverado 1500 LS
1999-2006 Chevrolet Silverado 1500 LT
2004,2006 Chevrolet Silverado 1500 WT
2004 Chevrolet Silverado 1500 Z71
2007 Chevrolet Silverado 1500 Classic LS
2007 Chevrolet Silverado 1500 Classic LT
2007 Chevrolet Silverado 1500 Classic WT
1999-2000 Chevrolet Silverado 2500 Base
1999-2000 Chevrolet Silverado 2500 LS
1999-2000 Chevrolet Silverado 2500 LT
2002-2005 GMC Sierra 1500 Base
1999-2003,2006 GMC Sierra 1500 SL
1999-2006 GMC Sierra 1500 SLE
1999-2006 GMC Sierra 1500 SLT
2003-2006 GMC Sierra 1500 WT
2007 GMC Sierra 1500 Classic Hybrid
2007 GMC Sierra 1500 Classic SL
2007 GMC Sierra 1500 Classic SLE
2007 GMC Sierra 1500 Classic SLT
2007 GMC Sierra 1500 Classic WT
1999-2000 GMC Sierra 2500 SL
1999-2000 GMC Sierra 2500 SLE
1999-2000 GMC Sierra 2500 SLT

Why Choose Gibson?

  • Engineered in USA with dyno-proven designs for real-world truck power
  • Premium 409 stainless steel tubing delivers rust resistance and mirror polish
  • 30+ years crafting exhaust systems tuned for maximum flow and tone

Frequently Asked Questions

  • Q: Will this fit my 2002 Chevy Silverado 1500 LS 4.3L V6?
    A: Yes fits 1999-2006 Silverado 1500 LS models with 4.3L V6 extended cab or crew cab short bed verify submodel in fitment table
  • Q: What material and finish does it use?
    A: Full 409 stainless steel construction with mandrel-bent pipes and polished 3.5-inch slash-cut tips for durability and style
  • Q: What warranty and install details apply?
    A: Lifetime limited warranty covers defects bolt-on install uses factory hardware no welding in 1-2 hours

Shipping & Handling

  • Method: Standard ground freight
  • Availability: In stock - ships same or next business day
  • Packaging: Oversized box 48in L x 16in W x 16in H
  • Weight: 48 lbs

Request For Information

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