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Gibson 01-05 Chevrolet Silverado 2500 HD Base 6.0L 4in Cat-Back Single Exhaust - Aluminized Gibson GIB315547
Gibson 01-05 Chevrolet Silverado 2500 HD Base 6.0L 4in Cat-Back Single Exhaust - Aluminized Gibson GIB315547
Gibson 01-05 Chevrolet Silverado 2500 HD Base 6.0L 4in Cat-Back Single Exhaust - Aluminized Gibson GIB315547
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Gibson 01-05 Chevrolet Silverado 2500 HD Base 6.0L 4in Cat-Back Single Exhaust - Aluminized

Gibson
GIB315547
677418009989
Catback
Out of stock
$ 1,310.78

SKU: 315547 | UPC: 677418009989

Gibson 01-05 Chevrolet Silverado 2500 HD Base 6.0L 4in Cat-Back Single Exhaust - Aluminized

Gibson 315547 delivers a 4-inch cat-back single exhaust system with aluminized steel construction for 2001-2006 Chevrolet Silverado 2500 HD and 3500 models plus GMC Sierra 2500 HD and 3500 equivalents. This setup exits behind the rear tire for stronger acceleration, hill climbing, towing, and passing power while staying quieter inside the cab than stock. Dyno tests prove peak torque and horsepower from 1800-3000 RPM with average gains of 10-15 HP and 15-20 lb-ft torque.

Key Features

  • Performance Gains: Dyno-proven 10-15 HP and 15-20 lb-ft torque increases at low RPM for real-world towing and hauling power on Silverado and Sierra HD trucks
  • Single Side Exit: 4-inch piping exits behind rear tire to reduce drone and enhance ground clearance without sacrificing flow
  • Quiet Cab Operation: Gibson muffler design cuts interior noise levels compared to other exhaust systems while building low-end power
  • Bolt-On Design: Direct fit using factory mounting points with no welding or cutting required for fast professional results
  • Durable Build: Aluminized steel tubing resists corrosion and handles heavy-duty use with lifetime structural warranty

Product Notes

  • MPN 315547 designed specifically for 6.0L V8 engines in listed HD trucks
  • Aluminized steel provides rust protection for long-term performance
  • Ships standard ground in one oversized box weighing 68 lbs with dimensions 48 x 16 x 16 inches

Installation Notes

  • Professional installation recommended.
  • Bolt-on process takes 1-2 hours using provided hardware and clamps
  • Compatible with factory hangers and catalytic converters on all listed fitments

This Part Fits

Year Make Model Submodel
2001-2005 Chevrolet Silverado 2500 HD Base
2001-2006 Chevrolet Silverado 2500 HD LS
2001-2006 Chevrolet Silverado 2500 HD LT
2004-2006 Chevrolet Silverado 2500 HD WT
2001-2005 Chevrolet Silverado 3500 Base
2001-2006 Chevrolet Silverado 3500 LS
2001-2006 Chevrolet Silverado 3500 LT
2004,2006 Chevrolet Silverado 3500 WT
2002-2005 GMC Sierra 2500 HD Base
2001-2002,2006 GMC Sierra 2500 HD SL
2001-2006 GMC Sierra 2500 HD SLE
2001-2006 GMC Sierra 2500 HD SLT
2004-2006 GMC Sierra 2500 HD WT
2002-2005 GMC Sierra 3500 Base
2001-2002,2006 GMC Sierra 3500 SL
2001-2006 GMC Sierra 3500 SLE
2001-2006 GMC Sierra 3500 SLT
2004-2006 GMC Sierra 3500 WT

Why Choose Gibson?

  • Proven dyno-tested systems built for heavy-duty trucks like Silverado and Sierra HD
  • Lifetime limited warranty covers structural defects for peace of mind
  • Engineered in the USA with focus on low-RPM power for daily driving and work

Frequently Asked Questions

  • Q: Does this fit my 2003 Chevrolet Silverado 2500 HD LS with 6.0L?
    A: Yes, Gibson 315547 bolts directly onto 2001-2006 Silverado 2500 HD LS models including 6.0L V8 without modifications
  • Q: What material is used and how does it hold up?
    A: Aluminized steel tubing and muffler offer strong corrosion resistance for truck use, outperforming painted mild steel options
  • Q: What is the warranty and install process?
    A: Lifetime limited warranty on structure, with hassle-free bolt-on install using stock hangers in under 2 hours

Shipping & Handling

  • Method: Standard ground shipping
  • Availability: In stock - ships same or next business day
  • Packaging: Single oversized box 48 x 16 x 16 inches
  • Weight: 68 lbs

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