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Exhaust System for 2005 GMC Sierra 2500 HD

We have 138 Items In-stock. Select your vehicle's Submodel to continue.

Magnaflow Performance Exhaust Systems

MAGNAFLOW PERFORMANCE EXHAUST SYSTEMS

Over the past 30 years, Magnaflow has grown as a market leader of exhaust systems, focusing on three key elements with each product they produce—quality, power and sound. Magnaflow’s Performance exhaust systems feature stainless steel construction and mandrel bent pipes, allowing for greater fuel economy and improved performance. A full-bodied exhaust note, emblematic of the brand, is achieved through the smooth, lap-joint welded body, tightly packed with acoustical fibers designed to dampen irritating pitch tones.

Magnaflow Performance Exhaust System - Natural, Stainless Steel

$661.69 $856.31 You Save $194.62 (23%)
Add to Cart
Availability: In Stock
Only from APW Rewards
  • Brand SKU#: Magnaflow 15789
  • Series: Magnaflow Performance
  • Material: Stainless Steel
  • Color/Finish: Natural
  • Quantity Sold: Assembly
  • Muffler Sound Level: Moderate
  • Recommended Use: Performance
  • Advertised Power Gains: 10% increase in horsepower
  • Anticipated Ship Out Time: 1-2 Business Days
  • Attachment Style: Bolt/Clamp On
  • Exit Location: Rear (Passenger's Side)
  • Exit Quantity: Single
  • Main Piping Diameter: 3 in.
  • Muffler Configuration: Dual Inlet and Single Outlet
  • Muffler Finish: Polished
  • Muffler Material: Stainless Steel
  • Muffler Quantity: One
  • Muffler Type: Straight Thru
  • Notes: Includes: Mounting hardware, 5 x 11 x 22 in. muffler
  • System Type: Cat-Back
  • Tip Cut: Angle
  • Tip Diameter: 4 in.
  • Tip Edge Style: Rolled
  • Tip Finish: Polished
  • Tip Length: 12 in.
  • Tip Material: Stainless Steel
  • Tip Quantity: 1
  • Tip Shape: Round
  • Warranty: Lifetime Magnaflow Limited Warranty
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Fits the following 2005 GMC Sierra 2500 HD Submodels

  • 8 Cyl 6.0L | SLE, SLT
See more

Magnaflow Performance Exhaust System - Natural, Stainless Steel

$719.22 $930.75 You Save $211.53 (23%)
Add to Cart
Availability: In Stock
Only from APW Rewards
  • Brand SKU#: Magnaflow 15829
  • Series: Magnaflow Performance
  • Material: Stainless Steel
  • Color/Finish: Natural
  • Quantity Sold: Assembly
  • Muffler Sound Level: Moderate
  • Recommended Use: Performance
  • Advertised Power Gains: 10% increase in horsepower
  • Anticipated Ship Out Time: 1-2 Business Days
  • Attachment Style: Bolt/Clamp On
  • Exit Location: Split Rear
  • Exit Quantity: Dual
  • Main Piping Diameter: 2.5 in.
  • Muffler Configuration: Dual inlet and outlet
  • Muffler Finish: Polished
  • Muffler Material: Stainless Steel
  • Muffler Quantity: One
  • Muffler Type: Straight Thru
  • Notes: Includes: Mounting hardware, 5 x 8 x 18 in. muffler
  • System Type: Cat-Back
  • Tip Cut: Straight
  • Tip Diameter: 3.5 in.
  • Tip Edge Style: Rolled
  • Tip Finish: Polished
  • Tip Length: 18 in.
  • Tip Material: Stainless Steel
  • Tip Quantity: 2
  • Tip Shape: Round
  • Warranty: Lifetime Magnaflow Limited Warranty
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Fits the following 2005 GMC Sierra 2500 HD Submodels

  • 8 Cyl 6.0L | SLE, SLT
See more

Magnaflow D-Fit Diesel Exhaust Systems

MAGNAFLOW D-FIT DIESEL PERFORMANCE EXHAUST SYSTEMS

  • No hassle installation with no welding required
  • Increased power and fuel economy
  • Mirror finish polished clamp-on stainless steel tip
  • Lifetime warranty
  • Made in the USA

Replace your factory muffler while maintaining your OEM piping and tailpipe with Magnaflow’s D-Fit Kit. Stainless steel and built for the long haul, Magnaflow’s muffler and muffler delete reduces backpressure by way of its straight through design, allowing you to increase power and conserve fuel economy. Both the muffler and muffler delete offer mandrel bent, stainless steel tubing and a mirror finish polished clamp-on tip.

Magnaflow D-Fit Exhaust System - Natural, Stainless Steel, Direct Fit

$261.92 $338.95 You Save $77.03 (23%)
Add to Cart
Availability: In Stock
Only from APW Rewards
  • Brand SKU#: Magnaflow 16976
  • Series: Magnaflow D-Fit
  • Material: Stainless Steel
  • Color/Finish: Natural
  • Product Fit: Direct Fit
  • Quantity Sold: Assembly
  • Recommended Use: Performance
  • Anticipated Ship Out Time: 1-2 Business Days
  • Attachment Style: Bolt/Clamp On
  • Exit Location: Rear (Passenger's Side)
  • Exit Quantity: Single
  • Includes: Pipes, mounting hardware
  • Inlet Size: 3.5 in.
  • Main Piping Diameter: 3.5 in.
  • Outlet Size: 3.5 in.
  • System Type: Cat-Back
  • Tip Diameter: 5 in.
  • Tip Finish: Polished
  • Tip Length: 13 in.
  • Tip Material: Stainless Steel
  • Tip Quantity: 1
  • Tip Shape: Round
  • Warranty: Lifetime Magnaflow Limited Warranty
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Fits the following 2005 GMC Sierra 2500 HD Submodels

  • 8 Cyl 6.6L | Base, SLE, SLT, WT
See more

Magnaflow D-Fit Exhaust System - Natural, Stainless Steel, Direct Fit

$376.16 $486.79 You Save $110.63 (23%)
Add to Cart
Availability: In Stock
Only from APW Rewards
  • Brand SKU#: Magnaflow 16999
  • Series: Magnaflow D-Fit
  • Material: Stainless Steel
  • Color/Finish: Natural
  • Product Fit: Direct Fit
  • Quantity Sold: Assembly
  • Sound Level: Moderate
  • Recommended Use: Performance
  • Anticipated Ship Out Time: 1-2 Business Days
  • Attachment Style: Bolt/Clamp On
  • Case Shape: Round
  • Exit Location: Rear (Passenger's Side)
  • Exit Quantity: Single
  • Includes: Pipes, mounting hardware
  • Inlet Location: Center
  • Inlet Quantity: Single
  • Inlet Size: 3.5 in.
  • Internal Construction: Straight-Through
  • Main Piping Diameter: 3.5 in.
  • Muffler Finish: Satin
  • Muffler Material: Stainless Steel
  • Muffler Quantity: One
  • Muffler Type: Straight Thru
  • Notes: Muffler inlet pipe; With 5 in. clamp-on tip
  • Outlet Location: Center
  • Outlet Quantity: Single
  • Outlet Size: 3.5 in.
  • System Type: Cat-Back
  • Tip Diameter: 5 in.
  • Tip Finish: Polished
  • Tip Length: 13 in.
  • Tip Material: Stainless Steel
  • Tip Quantity: 1
  • Tip Shape: Round
  • Warranty: Lifetime Magnaflow Limited Warranty
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Fits the following 2005 GMC Sierra 2500 HD Submodels

  • 8 Cyl 6.6L | Base, SLE, SLT, WT
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MAGNAFLOW CUSTOM BUILDER PIPE KIT DIESEL EXHAUST SYSTEM

MAGNAFLOW CUSTOM BUILDER PIPE KIT DIESEL EXHAUST SYSTEM

  • Stainless steel kit backed by a lifetime warranty
  • Aluminized kit backed by a one-year warranty
  • Best value and versatility
  • Most options for customization
  • Mandrel bent pipe and muffler delete

Get the most options for customization with Magnaflow’s Custom Builder Pipe Kit. Available in both aluminized or stainless steel, the Custom Builder Pipe Kit offers a mandrel bent pipe and muffler delete, providing for unrestricted airflow and optimal performance. Four exit style configurations are available, and all parts are designed to fit from extended cab short bed to crew cab long bed. Ideal for a customizable exhaust, the custom builder pipe kit gives you the option to install your own converter, muffler and tip.

Magnaflow Diesel Custom Builder Kit Exhaust System - Natural, Stainless Steel

$543.81 $703.76 You Save $159.95 (23%)
Add to Cart
Availability: In Stock
Only from APW Rewards
  • Brand SKU#: Magnaflow 17982
  • Series: Magnaflow Diesel Custom Builder Kit
  • Material: Stainless Steel
  • Color/Finish: Natural
  • Quantity Sold: Assembly
  • Muffler Sound Level: Moderate
  • Recommended Use: Performance
  • Anticipated Ship Out Time: 1-2 Business Days
  • Attachment Style: Bolt/Clamp On
  • Downpipe Diameter: 5 in.
  • Exit Location: Rear (Passenger's Side)
  • Exit Quantity: Single
  • Main Piping Diameter: 5 in.
  • Muffler Configuration: Single Inlet and Outlet
  • Muffler Finish: No Muffler included
  • Muffler Material: No Muffler included
  • Muffler Quantity: One
  • Muffler Type: Straight-Through
  • Notes: Includes: Pipes, muffler
  • System Type: Turbo-Back
  • Tip Cut: No Tips Included
  • Tip Diameter: No Tips Included
  • Tip Edge Style: Non-Rolled
  • Tip Finish: No Tips Included
  • Tip Length: No Tips Included
  • Tip Material: No Tips Included
  • Tip Quantity: No Tips Included
  • Tip Shape: No Tips Included
  • Warranty: Lifetime Magnaflow Limited Warranty
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Fits the following 2005 GMC Sierra 2500 HD Submodels

  • 8 Cyl 6.6L | SLE, SLT
See more

Magnaflow Diesel Custom Builder Kit Exhaust System - Natural, Stainless Steel

$456.74 $591.07 You Save $134.33 (23%)
Add to Cart
Availability: In Stock
Only from APW Rewards
  • Brand SKU#: Magnaflow 17980
  • Series: Magnaflow Diesel Custom Builder Kit
  • Material: Stainless Steel
  • Color/Finish: Natural
  • Quantity Sold: Assembly
  • Muffler Sound Level: Moderate
  • Recommended Use: Performance
  • Anticipated Ship Out Time: 1-2 Business Days
  • Attachment Style: Bolt/Clamp On
  • Downpipe Diameter: 4 in.
  • Exit Location: Rear (Passenger's Side)
  • Exit Quantity: Single
  • Main Piping Diameter: 4 in.
  • Muffler Configuration: Single Inlet and Outlet
  • Muffler Finish: No Muffler included
  • Muffler Material: No Muffler included
  • Muffler Quantity: One
  • Muffler Type: Straight-Through
  • Notes: Except California; Includes: Pipes, muffler
  • System Type: Turbo-Back
  • Tip Cut: No Tips Included
  • Tip Diameter: No Tips Included
  • Tip Edge Style: Non-Rolled
  • Tip Finish: No Tips Included
  • Tip Length: No Tips Included
  • Tip Material: No Tips Included
  • Tip Quantity: No Tips Included
  • Tip Shape: No Tips Included
  • Warranty: Lifetime Magnaflow Limited Warranty
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Fits the following 2005 GMC Sierra 2500 HD Submodels

  • 8 Cyl 6.6L | SLE, SLT, Base, WT
See more

Magnaflow Diesel Custom Builder Kit Exhaust System - Natural, Stainless Steel

$736.52 $953.14 You Save $216.62 (23%)
Add to Cart
Availability: In Stock
Only from APW Rewards
  • Brand SKU#: Magnaflow 17981
  • Series: Magnaflow Diesel Custom Builder Kit
  • Material: Stainless Steel
  • Color/Finish: Natural
  • Quantity Sold: Assembly
  • Muffler Sound Level: Moderate
  • Recommended Use: Performance
  • Anticipated Ship Out Time: 1-2 Business Days
  • Attachment Style: Bolt/Clamp On
  • Downpipe Diameter: 4 in.
  • Exit Location: Split Side (Behind Rear Tires)
  • Exit Quantity: Dual
  • Main Piping Diameter: 4 in.
  • Muffler Configuration: Single Inlet and Dual Outlet
  • Muffler Finish: No Muffler included
  • Muffler Material: No Muffler included
  • Muffler Quantity: One
  • Muffler Type: Straight-Through
  • Notes: Includes: Pipes, muffler
  • System Type: Turbo-Back
  • Tip Cut: No Tips Included
  • Tip Diameter: No Tips Included
  • Tip Edge Style: Non-Rolled
  • Tip Finish: No Tips Included
  • Tip Length: No Tips Included
  • Tip Material: No Tips Included
  • Tip Quantity: No Tips Included
  • Tip Shape: No Tips Included
  • Warranty: Lifetime Magnaflow Limited Warranty
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Fits the following 2005 GMC Sierra 2500 HD Submodels

  • 8 Cyl 6.6L | SLE, SLT, Base, WT
See more

Flowmaster - American Thunder Exhaust Systems

FLOWMASTER  – AMERICAN THUNDER EXHAUST SYSTEMS

Flowmaster’s American Thunder chambered exhaust system is dyno-proven to dramatically increase the power band, giving you more horsepower, torque, fuel economy and a new image with an aggressive, rich exhaust tone. Flowmaster, known as ‘the exhaust technology company,’ is a leading manufacturer of high performance exhaust systems and respected for design, innovation and engineering.

  • Flowmaster’s most popular exhaust system
  • Features an aggressive sound
  • 3-year limited warranty for aluminized steel/lifetime warranty for stainless steel
  • Come in aluminized or stainless steel
  • Proven to improve torque, horsepower and gas mileage
  • Mandrel-bent tubing allows for continuous airflow
  • Quick and easy installation
  • Best for muscle cars and trucks
  • Passenger side, split  or driver side exit design
  • Dyno-tested
  • Direct fit by vehicle year, make and model

Flowmaster American Thunder Exhaust System - Natural, Aluminized Steel

$628.58 $821.67 You Save $193.09 (23%)
Add to Cart
Availability: In Stock
Only from APW Rewards
  • Brand SKU#: Flowmaster 17349
  • Series: Flowmaster American Thunder
  • Material: Aluminized Steel
  • Color/Finish: Natural
  • Quantity Sold: Assembly
  • Muffler Sound Level: Mild-to-Moderate
  • Recommended Use: Performance
  • Advertised Power Gains: Typically 5-7% increase over stock
  • Anticipated Ship Out Time: 1-2 Business Days
  • Attachment Style: Clamp-On or Weld-On (Recommended)
  • Downpipe Diameter: 4 in.
  • Exit Location: Single Side Exit
  • Exit Quantity: Single
  • Includes: Mounting Hardware
  • Main Piping Diameter: 4 in.
  • Muffler Configuration: 4 In. Inlet, 4 In. Outlet
  • Muffler Finish: Natural
  • Muffler Material: Aluminized Steel
  • Muffler Quantity: One
  • Muffler Type: Chambered
  • Notes: Includes 50 Series HD Muffler
  • System Type: Downpipe-Back
  • Tip Cut: Angle
  • Tip Diameter: 5 in.
  • Tip Edge Style: Rolled
  • Tip Finish: Polished
  • Tip Length: 11 in.
  • Tip Material: Stainless Steel
  • Tip Quantity: One
  • Tip Shape: Round
  • Warranty: Flowmaster 3-Year Limited Warranty
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Fits the following 2005 GMC Sierra 2500 HD Submodels

  • 8 Cyl 6.6L | SLE, SLT, Base, WT
See more

Flowmaster American Thunder Exhaust System - Natural, Stainless Steel

$839.42 $1,097.28 You Save $257.86 (23%)
Add to Cart
Availability: In Stock
Only from APW Rewards
  • Brand SKU#: Flowmaster 817643
  • Series: Flowmaster American Thunder
  • Material: Stainless Steel
  • Color/Finish: Natural
  • Quantity Sold: Assembly
  • Muffler Sound Level: Moderate
  • Recommended Use: Performance
  • Advertised Power Gains: Typically 5-7% increase over stock
  • Anticipated Ship Out Time: 1-2 Business Days
  • Attachment Style: Clamp-On or Weld-On (Recommended)
  • Exit Location: Dual Side Exit
  • Exit Quantity: Dual
  • Main Piping Diameter: 4 in.
  • Muffler Configuration: 4 In. Inlet, 4 In. Outlet
  • Muffler Finish: Black
  • Muffler Material: Stainless Steel
  • Muffler Quantity: One
  • Muffler Type: Chambered
  • Notes: Includes Power Chamber (New special build) Muffler
  • System Type: Downpipe-Back
  • Tip Cut: Angle
  • Tip Diameter: 5 in.
  • Tip Edge Style: Rolled
  • Tip Finish: Polished
  • Tip Length: 10 in.
  • Tip Material: Stainless Steel
  • Tip Quantity: Two
  • Tip Shape: Round
  • Warranty: Lifetime Flowmaster Limited Warranty
See more

Fits the following 2005 GMC Sierra 2500 HD Submodels

  • 8 Cyl 6.6L | SLE, SLT, Base, WT
See more

Flowmaster - Force II Exhaust Systems

FLOWMASTER  – FORCE II EXHAUST SYSTEMS

Flowmaster’s Force II exhaust system is dyno-proven to dramatically increase the power band, giving you more horsepower, torque, fuel economy and a nice mild tone that doesn’t draw too much attention or seem too obnoxious for your daily commute. Flowmaster, known as ‘the exhaust technology company,’ is a leading manufacturer of high performance exhaust systems and respected for design, innovation and engineering.

  • Features a mild sound thanks to the use of larger displacement mufflers and resonators
  • 3-year limited warranty for aluminized steel/lifetime warranty for stainless steel
  • Come in aluminized or stainless steel
  • Proven to improve torque, horsepower and gas mileage
  • Mandrel-bent tubing allows for continuous airflow
  • Quick and easy installation
  • Best for daily driver type vehicles
  • Passenger side, split  or driver side exit design
  • Dyno-tested
  • Direct fit by vehicle year, make and model

Flowmaster Force II Exhaust System - Natural, Stainless Steel

$699.60 $914.51 You Save $214.91 (24%)
Add to Cart
Availability: In Stock
Only from APW Rewards
  • Brand SKU#: Flowmaster 817542
  • Series: Flowmaster Force II
  • Material: Stainless Steel
  • Color/Finish: Natural
  • Quantity Sold: Assembly
  • Muffler Sound Level: Mild-to-Moderate
  • Recommended Use: Performance
  • Advertised Power Gains: Typically 5-7% increase over stock
  • Anticipated Ship Out Time: 1-2 Business Days
  • Attachment Style: Clamp-On or Weld-On (Recommended)
  • Downpipe Diameter: 4 in.
  • Exit Location: Single Side Exit
  • Exit Quantity: Single
  • Includes: Mounting Hardware
  • Main Piping Diameter: 4 in.
  • Muffler Configuration: 4 In. Inlet, 4 In. Outlet
  • Muffler Finish: Black
  • Muffler Material: Stainless Steel
  • Muffler Quantity: One
  • Muffler Type: Laminar Flow
  • Notes: Includes Pro Series Muffler
  • System Type: Downpipe-Back
  • Tip Cut: Angle
  • Tip Diameter: 5 in.
  • Tip Edge Style: Rolled
  • Tip Finish: Polished
  • Tip Length: 11 in.
  • Tip Material: Stainless Steel
  • Tip Quantity: One
  • Tip Shape: Round
  • Warranty: Lifetime Flowmaster Limited Warranty
See more

Fits the following 2005 GMC Sierra 2500 HD Submodels

  • 8 Cyl 6.6L | SLE, SLT, Base, WT
See more

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