Gibson 02-05 Chevrolet Avalanche 1500 Base 5.3L 2.25in Cat-Back Dual Split Exhaust - Aluminized Gibson GIB5561
Gibson 02-05 Chevrolet Avalanche 1500 Base 5.3L 2.25in Cat-Back Dual Split Exhaust - Aluminized Gibson GIB5561
Gibson 02-05 Chevrolet Avalanche 1500 Base 5.3L 2.25in Cat-Back Dual Split Exhaust - Aluminized Gibson GIB5561
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Gibson 02-05 Chevrolet Avalanche 1500 Base 5.3L 2.25in Cat-Back Dual Split Exhaust - Aluminized

Gibson
GIB5561
677418011494
Catback
1 Units In Stock - Ships Next Business Day
$ 1,505.47
$ 1,505.47

SKU: 5561 | UPC: 677418011494

Gibson 2002-2006 Chevrolet Avalanche 1500 Suburban 1500 GMC Yukon XL 1500 2.25in Cat-Back Dual Split Exhaust - Aluminized

Transform your truck with the Gibson 5561 cat-back dual split exhaust system designed for 2002-2006 Chevrolet Avalanche 1500 Base LS LT Z71 models and select Suburban 1500 and GMC Yukon XL 1500 variants. This 2.25-inch aluminized steel system reduces backpressure to deliver average gains of 15-20 horsepower and increased torque for stronger acceleration and towing. Enjoy an aggressive throaty sound with stainless dual tips exiting straight out the back paired with hassle-free bolt-on installation.

Key Features

  • Aggressive Throaty Sound: Produces a deep powerful rumble that intensifies under towing for an exhilarating driving experience
  • Power and Torque Gains: Averages 15-20 horsepower and up to 21 lb-ft torque increase by optimizing exhaust flow and decreasing restriction
  • Stainless Dual Tips: 3-inch polished slash-cut tips provide a custom aggressive look exiting straight from the rear
  • Universal Compatibility: Fits most factory bumpers roll pans and trailer hitches without modifications
  • Bolt-On Design: Direct bolt-on installation with no welding or cutting required using provided hardware and hangers

Product Notes

  • Sound level increases noticeably during towing for enhanced performance feedback
  • System includes two Gibson performance mufflers for balanced tone and flow
  • Aluminized steel construction resists corrosion for long-term durability

Installation Notes

  • Professional installation recommended.
  • Complete bolt-on process takes 1-2 hours with basic tools and vehicle on lift
  • Uses factory hangers and mounting points for precise alignment

This Part Fits

Year Make Model Submodel
2002-2005 Chevrolet Avalanche 1500 Base
2005-2006 Chevrolet Avalanche 1500 LS
2005-2006 Chevrolet Avalanche 1500 LT
2002-2003 Chevrolet Avalanche 1500 North Face
2002-2003 Chevrolet Avalanche 1500 On Road Edition
2003 Chevrolet Avalanche 1500 WBH
2004-2006 Chevrolet Avalanche 1500 Z66
2002-2006 Chevrolet Avalanche 1500 Z71
2000-2001,2006 Chevrolet Suburban 1500 Base
2000-2006 Chevrolet Suburban 1500 LS
2000-2006 Chevrolet Suburban 1500 LT
2004-2006 Chevrolet Suburban 1500 Z71
2006 GMC Yukon XL 1500 SL
2000-2006 GMC Yukon XL 1500 SLE
2000-2006 GMC Yukon XL 1500 SLT

Why Choose Gibson?

  • Decades of exhaust engineering expertise for trucks and SUVs
  • Systems dyno-tested for real-world power gains on 5.3L engines
  • Backed by Lifetime Limited Warranty for peace of mind

Frequently Asked Questions

  • Q: Will this fit my 2004 Chevrolet Avalanche 1500 Z71 with 5.3L engine?
    A: Yes it fits 2002-2006 Avalanche 1500 Z71 models perfectly with direct bolt-on installation
  • Q: What material is the Gibson 5561 exhaust made from?
    A: Aluminized steel tubing with stainless steel tips for strength and rust resistance
  • Q: What is the warranty on this cat-back system?
    A: Lifetime Limited Warranty covers manufacturing defects when installed per instructions

Shipping & Handling

  • Method: Standard ground shipping
  • Availability: In stock - ships same or next business day
  • Packaging: Securely boxed 50in L x 16in W x 16in H
  • Weight: 57 lbs product shipping weight 62 lbs

Request For Information

Have questions about Gibson 02-05 Chevrolet Avalanche 1500 Base 5.3L 2.25in Cat-Back Dual Split Exhaust - Aluminized? Fill out the form below and we'll get back to you by the next business day.
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