Diamond Eye 4in Catback Stainless Steel Muffler Replacement Pipe — Fits 2001-2005 Chevy GMC 6.6L 2500/3500

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SKU: DEPK4110S-RP
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Car Wheel Size Chart

Wheel Diameter (inches) Tire Width (mm) Aspect Ratio Rim Width (inches)
14185655.5
15195606.0
16205556.5
17215507.0
18225457.5
19235408.0
20245358.5

Note: Wheel and tire sizes vary by car make and model. Always consult your vehicle’s manufacturer for exact specifications.

How to Read Tire Size

Example: 225/45R17 means:

  • 225 = Tire width in mm
  • 45 = Aspect ratio (height as % of width)
  • R17 = Rim diameter in inches

Product Details

Product Description
Part Numbers
Sizing & Fit

About Diamond Eye Performance

Diamond Eye Performance engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Diamond Eye Performance lineup with fast shipping and expert fitment support — order with confidence.

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Diamond Eye 4-inch Stainless Steel Muffler Replacement Pipe

Enhance the performance and sound of your 2001-2005 Chevrolet Silverado or GMC Sierra 2500/3500 6.6L Duramax with this premium Diamond Eye muffler replacement pipe. Engineered for those seeking a more aggressive exhaust note and improved exhaust gas flow, this 4-inch stainless steel pipe replaces your restrictive factory muffler with a high-flow design.

Key Features & Benefits

  • Direct Fitment: Precision-engineered for 2001-2005 GM 2500/3500 trucks.
  • Stainless Steel Construction: Offers superior corrosion resistance and long-term durability.
  • Improved Flow: Eliminates the bottleneck of the stock muffler to reduce backpressure.
  • Aggressive Sound: Delivers a deeper, more pronounced exhaust tone suited for diesel enthusiasts.
  • CNC Mandrel Bent: Ensures smooth transitions for maximum exhaust velocity and performance.

This kit is designed for enthusiasts who demand quality craftsmanship and reliable performance. By removing the stock muffler, you allow your 6.6L engine to breathe more freely, potentially improving throttle response and lowering exhaust gas temperatures under load. Installation is straightforward, utilizing your existing exhaust hangers and mounting points for a secure fit. Whether you are towing heavy loads or daily driving, this component provides the durability and performance you expect from GGCRACING.

Vehicle Fitment

Years Make Model Trim
2001-2005 Chevrolet Silverado 2500 HD Base
2001-2005 Chevrolet Silverado 2500 HD LS
2001-2005 Chevrolet Silverado 2500 HD LT
2004-2005 Chevrolet Silverado 2500 HD WT
2001-2005 Chevrolet Silverado 3500 Base
2001-2005 Chevrolet Silverado 3500 LS
2004 Chevrolet Silverado 3500 WT
2001-2002 GMC Sierra 2500 HD SL
2001-2005 GMC Sierra 2500 HD SLE
2001-2005 GMC Sierra 2500 HD SLT
2002-2005 GMC Sierra 2500 HD Base
2003-2005 GMC Sierra 2500 HD WT
2001-2005 GMC Sierra 3500 SLE
2001-2005 GMC Sierra 3500 SLT
2002-2005 GMC Sierra 3500 Base
2004-2005 GMC Sierra 3500 WT

Product Details

Product Description
Part Numbers
Sizing & Fit

About Diamond Eye Performance

Diamond Eye Performance engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Diamond Eye Performance lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

Diamond Eye 4-inch Stainless Steel Muffler Replacement Pipe

Enhance the performance and sound of your 2001-2005 Chevrolet Silverado or GMC Sierra 2500/3500 6.6L Duramax with this premium Diamond Eye muffler replacement pipe. Engineered for those seeking a more aggressive exhaust note and improved exhaust gas flow, this 4-inch stainless steel pipe replaces your restrictive factory muffler with a high-flow design.

Key Features & Benefits

  • Direct Fitment: Precision-engineered for 2001-2005 GM 2500/3500 trucks.
  • Stainless Steel Construction: Offers superior corrosion resistance and long-term durability.
  • Improved Flow: Eliminates the bottleneck of the stock muffler to reduce backpressure.
  • Aggressive Sound: Delivers a deeper, more pronounced exhaust tone suited for diesel enthusiasts.
  • CNC Mandrel Bent: Ensures smooth transitions for maximum exhaust velocity and performance.

This kit is designed for enthusiasts who demand quality craftsmanship and reliable performance. By removing the stock muffler, you allow your 6.6L engine to breathe more freely, potentially improving throttle response and lowering exhaust gas temperatures under load. Installation is straightforward, utilizing your existing exhaust hangers and mounting points for a secure fit. Whether you are towing heavy loads or daily driving, this component provides the durability and performance you expect from GGCRACING.

Vehicle Fitment

Years Make Model Trim
2001-2005 Chevrolet Silverado 2500 HD Base
2001-2005 Chevrolet Silverado 2500 HD LS
2001-2005 Chevrolet Silverado 2500 HD LT
2004-2005 Chevrolet Silverado 2500 HD WT
2001-2005 Chevrolet Silverado 3500 Base
2001-2005 Chevrolet Silverado 3500 LS
2004 Chevrolet Silverado 3500 WT
2001-2002 GMC Sierra 2500 HD SL
2001-2005 GMC Sierra 2500 HD SLE
2001-2005 GMC Sierra 2500 HD SLT
2002-2005 GMC Sierra 2500 HD Base
2003-2005 GMC Sierra 2500 HD WT
2001-2005 GMC Sierra 3500 SLE
2001-2005 GMC Sierra 3500 SLT
2002-2005 GMC Sierra 3500 Base
2004-2005 GMC Sierra 3500 WT

Product Details

Product Description

About Diamond Eye Performance

Diamond Eye Performance engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Diamond Eye Performance lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

Diamond Eye 4-inch Stainless Steel Muffler Replacement Pipe

Enhance the performance and sound of your 2001-2005 Chevrolet Silverado or GMC Sierra 2500/3500 6.6L Duramax with this premium Diamond Eye muffler replacement pipe. Engineered for those seeking a more aggressive exhaust note and improved exhaust gas flow, this 4-inch stainless steel pipe replaces your restrictive factory muffler with a high-flow design.

Key Features & Benefits

  • Direct Fitment: Precision-engineered for 2001-2005 GM 2500/3500 trucks.
  • Stainless Steel Construction: Offers superior corrosion resistance and long-term durability.
  • Improved Flow: Eliminates the bottleneck of the stock muffler to reduce backpressure.
  • Aggressive Sound: Delivers a deeper, more pronounced exhaust tone suited for diesel enthusiasts.
  • CNC Mandrel Bent: Ensures smooth transitions for maximum exhaust velocity and performance.

This kit is designed for enthusiasts who demand quality craftsmanship and reliable performance. By removing the stock muffler, you allow your 6.6L engine to breathe more freely, potentially improving throttle response and lowering exhaust gas temperatures under load. Installation is straightforward, utilizing your existing exhaust hangers and mounting points for a secure fit. Whether you are towing heavy loads or daily driving, this component provides the durability and performance you expect from GGCRACING.

Vehicle Fitment

Years Make Model Trim
2001-2005 Chevrolet Silverado 2500 HD Base
2001-2005 Chevrolet Silverado 2500 HD LS
2001-2005 Chevrolet Silverado 2500 HD LT
2004-2005 Chevrolet Silverado 2500 HD WT
2001-2005 Chevrolet Silverado 3500 Base
2001-2005 Chevrolet Silverado 3500 LS
2004 Chevrolet Silverado 3500 WT
2001-2002 GMC Sierra 2500 HD SL
2001-2005 GMC Sierra 2500 HD SLE
2001-2005 GMC Sierra 2500 HD SLT
2002-2005 GMC Sierra 2500 HD Base
2003-2005 GMC Sierra 2500 HD WT
2001-2005 GMC Sierra 3500 SLE
2001-2005 GMC Sierra 3500 SLT
2002-2005 GMC Sierra 3500 Base
2004-2005 GMC Sierra 3500 WT

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