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Muffler for 2003 Toyota Tundra

We have 20 Items In-stock. Select your vehicle's Submodel to continue.

Flowmaster - 40 Series Original Mufflers

FLOWMASTER – 40 SERIES ORIGINAL MUFFLERS

Flowmaster’s 40 Series Original mufflers turn give your ride that rich muscle car rumble and turn it into a performance powerhouse with an aggressive, deep tone that will make you smile as you put the pedal to the metal. Flowmaster, known as ‘the exhaust technology company,’ is a leading manufacturer of high performance exhaust systems and respected for design, innovation and engineering.

  • Great for muscle cars or vehicles that need a single exhaust
  • Backed by a lifetime warranty for stainless/3 years for aluminized steel
  • Fully MIG-welded for maximum strength
  • Comes in 16-gauge aluminized steel or stainless steel
  • Quick and easy installation
  • Very aggressive tone
  • Improves torque and horsepower
  • Come in single or dual pipe style
  • Dyno-tested

Flowmaster 40 Series Original Muffler - Gray, Stainless Steel, Minor Modifications

Best Seller
$87.08 $113.84 You Save $26.76 (24%)
Add to Cart
Availability: In Stock
Only from APW Rewards
  • Brand SKU#: Flowmaster 8042541
  • Series: Flowmaster 40 Series Original
  • Material: Stainless Steel
  • Color/Finish: Gray
  • Product Fit: Minor Modifications
  • Quantity Sold: Sold Individually
  • Sound Level: Aggressive
  • Recommended Use: Performance
  • Anticipated Ship Out Time: 1-2 Business Days
  • Attachment Style: Clamp-On or Weld-On (Recommended)
  • Body Length: 13 in.
  • Case Shape: Oval
  • Height: 4 in.
  • Inlet Location: Offset
  • Inlet Quantity: Single
  • Inlet Size: 2.5 in.
  • Internal Construction: Chambered
  • Outlet Location: Center
  • Outlet Quantity: Single
  • Outlet Size: 2.5 in.
  • Overall Length: 19 in.
  • Warranty: Lifetime Flowmaster Limited Warranty
  • Width: 9.75 in.
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Fits the following 2003 Toyota Tundra Submodels

  • All Engines | All Submodels
See more

Flowmaster 40 Series Original Muffler - Gray, Aluminized Steel, Minor Modifications

$81.32 $106.31 You Save $24.99 (24%)
Add to Cart
Availability: In Stock
Only from APW Rewards
  • Brand SKU#: Flowmaster 42541
  • Series: Flowmaster 40 Series Original
  • Material: Aluminized Steel
  • Color/Finish: Gray
  • Product Fit: Minor Modifications
  • Quantity Sold: Sold Individually
  • Sound Level: Aggressive
  • Recommended Use: Performance
  • Anticipated Ship Out Time: 1-2 Business Days
  • Attachment Style: Clamp-On or Weld-On (Recommended)
  • Body Length: 13 in.
  • Case Shape: Oval
  • Height: 4 in.
  • Inlet Location: Offset
  • Inlet Quantity: Single
  • Inlet Size: 2.5 in.
  • Internal Construction: Chambered
  • Outlet Location: Center
  • Outlet Quantity: Single
  • Outlet Size: 2.5 in.
  • Overall Length: 19 in.
  • Warranty: 3-year Flowmaster limited warranty
  • Width: 9.75 in.
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Fits the following 2003 Toyota Tundra Submodels

  • 6 Cyl 3.4L | Base, SR5
  • 8 Cyl 4.7L | Limited, SR5
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Customer Review: (see review/s)
  • The Flowmaster made my Jeep CJ5 V8 sound like it has a high performance engine. It sounds amazing!

    posted by: Brownie on October 7, 2008

Flowmaster - 50 Series Delta Flow Mufflers

FLOWMASTER – 50 SERIES DELTA FLOW MUFFLERS

Flowmaster’s 50 Series Delta Flow mufflers turn your daily driver into something a little more exciting to drive, giving it a noticeable deep, moderate tone that you can actually customize thanks to Flowmaster’s patented Delta Flow and Laminar Flow technologies. Flowmaster, known as ‘the exhaust technology company,’ is a leading manufacturer of high performance exhaust systems and respected for design, innovation and engineering.

  • Increases torque and horsepower
  • 3-year warranty for aluminized steel, lifetime warranty for stainless steel
  • Fully MIG-welded for maximum strength
  • Come in stainless steel and 16-gauge aluminized steel
  • Distinct, customizable moderate tone that’s nice for your daily driver
  • Fabricated utilizing patented Laminar Flow and Delta Flow processes
  • Quick and easy installation
  • For passenger cars
  • Dyno-tested

Flowmaster 50 Series Delta Flow Muffler - Gray, Stainless Steel, Minor Modifications

$120.66 $157.73 You Save $37.07 (24%)
Add to Cart
Availability: In Stock
Only from APW Rewards
  • Brand SKU#: Flowmaster 842551
  • Series: Flowmaster 50 Series Delta Flow
  • Material: Stainless Steel
  • Color/Finish: Gray
  • Product Fit: Minor Modifications
  • Quantity Sold: Sold Individually
  • Sound Level: Moderate
  • Recommended Use: Performance
  • Anticipated Ship Out Time: 1-2 Business Days
  • Attachment Style: Clamp-On or Weld-On (Recommended)
  • Body Length: 17 in.
  • Case Shape: Oval
  • Height: 4 in.
  • Inlet Location: Offset
  • Inlet Quantity: Single
  • Inlet Size: 2.5 in.
  • Internal Construction: Chambered
  • Notes: Includes Resonator
  • Outlet Location: Center
  • Outlet Quantity: Single
  • Outlet Size: 2.5 in.
  • Overall Length: 23 in.
  • Warranty: Lifetime Flowmaster Limited Warranty
  • Width: 9.75 in.
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Fits the following 2003 Toyota Tundra Submodels

  • All Engines | All Submodels
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Flowmaster - Super 40 Series Delta Flow Mufflers

FLOWMASTER – SUPER 40 SERIES DELTA FLOW MUFFLERS

Flowmaster’s Super 40 Series Delta Flow mufflers give your vehicle noticeable edge with their aggressive tone – surely one of the reasons they’re a top choice among performance enthusiasts and street rodders. Flowmaster, known as ‘the exhaust technology company,’ is a leading manufacturer of high performance exhaust systems and respected for design, innovation and engineering.

  • Increases torque and horsepower
  • 3-year warranty for aluminized steel, lifetime warranty for stainless steel
  • Finish is black
  • Fully MIG-welded for maximum strength
  • Come in stainless steel and 16-gauge aluminized steel
  • Distinct, very aggressive tone with moderate interior sound
  • Fabricated utilizing patented Delta Flow process and 2-chamber design
  • Quick and easy installation
  • Primarily designed for and used on performance vehicles and street rods
  • Dyno-tested

Flowmaster Super 40 Series Muffler - Black, Stainless Steel, Minor Modifications

Best Seller
$98.98 $129.39 You Save $30.41 (24%)
Add to Cart
Availability: In Stock
Only from APW Rewards
  • Brand SKU#: Flowmaster 852546
  • Series: Flowmaster Super 40 Series
  • Material: Stainless Steel
  • Color/Finish: Black
  • Product Fit: Minor Modifications
  • Quantity Sold: Sold Individually
  • Sound Level: Aggressive
  • Recommended Use: Performance
  • Anticipated Ship Out Time: 1-2 Business Days
  • Attachment Style: Clamp-On or Weld-On (Recommended)
  • Body Length: 13.5 in.
  • Case Shape: Oval
  • Height: 5 in.
  • Inlet Location: Offset
  • Inlet Quantity: Single
  • Inlet Size: 2.5 in.
  • Internal Construction: Chambered
  • Notes: Minor Modifications
  • Outlet Location: Center
  • Outlet Quantity: Single
  • Outlet Size: 2.5 in.
  • Overall Length: 19.5 in.
  • Warranty: Lifetime Flowmaster Limited Warranty
  • Width: 10 in.
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Fits the following 2003 Toyota Tundra Submodels

  • All Engines | All Submodels
See more

Flowmaster Super 40 Series Muffler - Black, Aluminized Steel, Minor Modifications

$94.44 $123.45 You Save $29.01 (23%)
Add to Cart
Availability: In Stock
Only from APW Rewards
  • Brand SKU#: Flowmaster 952546
  • Series: Flowmaster Super 40 Series
  • Material: Aluminized Steel
  • Color/Finish: Black
  • Product Fit: Minor Modifications
  • Quantity Sold: Sold Individually
  • Sound Level: Aggressive
  • Recommended Use: Performance
  • Anticipated Ship Out Time: 1-2 Business Days
  • Attachment Style: Clamp-On or Weld-On (Recommended)
  • Body Length: 13.5 in.
  • Case Shape: Oval
  • Height: 5 in.
  • Inlet Location: Offset
  • Inlet Quantity: Single
  • Inlet Size: 2.5 in.
  • Internal Construction: Chambered
  • Notes: Minor Modifications
  • Outlet Location: Center
  • Outlet Quantity: Single
  • Outlet Size: 2.5 in.
  • Overall Length: 19.5 in.
  • Warranty: 3-year Flowmaster limited warranty
  • Width: 10 in.
See more

Fits the following 2003 Toyota Tundra Submodels

  • All Engines | All Submodels
See more

Flowmaster - 40 Series Delta Flow Mufflers

FLOWMASTER – 40 SERIES DELTA FLOW MUFFLERS

Flowmaster’s 40 Series Delta Flow mufflers give your daily driver a noticeable edge with a deep, aggressive tone while still keeping it quieter on the inside. Flowmaster, known as ‘the exhaust technology company,’ is a leading manufacturer of high performance exhaust systems and respected for design, innovation and engineering.

  • Increases torque and horsepower
  • 3-year warranty for aluminized steel, lifetime warranty for stainless steel
  • Fully MIG-welded for maximum strength
  • Come in stainless steel and 16-gauge aluminized steel
  • Distinct, aggressive tone with reduced interior sound
  • Fabricated utilizing patented Delta Flow process and 2-chamber design
  • Quick and easy installation
  • For passenger cars
  • Dyno-tested

Flowmaster 40 Series Delta Flow Muffler - Gray, Stainless Steel, Minor Modifications

$108.08 $141.28 You Save $33.20 (23%)
Add to Cart
Availability: In Stock
Only from APW Rewards
  • Brand SKU#: Flowmaster 842541
  • Series: Flowmaster 40 Series Delta Flow
  • Material: Stainless Steel
  • Color/Finish: Gray
  • Product Fit: Minor Modifications
  • Quantity Sold: Sold Individually
  • Sound Level: Aggressive
  • Recommended Use: Performance
  • Anticipated Ship Out Time: 1-2 Business Days
  • Attachment Style: Clamp-On or Weld-On (Recommended)
  • Body Length: 13 in.
  • Case Shape: Oval
  • Height: 4 in.
  • Inlet Location: Offset
  • Inlet Quantity: Single
  • Inlet Size: 2.5 in.
  • Internal Construction: Chambered
  • Outlet Location: Center
  • Outlet Quantity: Single
  • Outlet Size: 2.5 in.
  • Overall Length: 19 in.
  • Warranty: Lifetime Flowmaster Limited Warranty
  • Width: 9.75 in.
See more

Fits the following 2003 Toyota Tundra Submodels

  • 6 Cyl 3.4L | Base, SR5
  • 8 Cyl 4.7L | Limited, SR5
See more

Flowmaster 40 Series Delta Flow Muffler - Gray, Aluminized Steel, Minor Modifications

$94.44 $123.45 You Save $29.01 (23%)
Add to Cart
Availability: In Stock
Only from APW Rewards
  • Brand SKU#: Flowmaster 942541
  • Series: Flowmaster 40 Series Delta Flow
  • Material: Aluminized Steel
  • Color/Finish: Gray
  • Product Fit: Minor Modifications
  • Quantity Sold: Sold Individually
  • Sound Level: Aggressive
  • Recommended Use: Performance
  • Anticipated Ship Out Time: 1-2 Business Days
  • Attachment Style: Clamp-On or Weld-On (Recommended)
  • Body Length: 13 in.
  • Case Shape: Oval
  • Height: 4 in.
  • Inlet Location: Offset
  • Inlet Quantity: Single
  • Inlet Size: 2.5 in.
  • Internal Construction: Chambered
  • Outlet Location: Center
  • Outlet Quantity: Single
  • Outlet Size: 2.5 in.
  • Overall Length: 19 in.
  • Warranty: 3-year Flowmaster limited warranty
  • Width: 9.75 in.
See more

Fits the following 2003 Toyota Tundra Submodels

  • All Engines | All Submodels
See more

Flowmaster - Super 44 Series Delta Flow Mufflers

FLOWMASTER – SUPER 44 SERIES DELTA FLOW MUFFLERS

Flowmaster’s Super 44 Series Delta Flow mufflers will make you stand out in a crowd (but might not make you a favorite with your neighbors) – surely one of the reasons they’re a top choice for high horsepower performance vehicles. Flowmaster, known as ‘the exhaust technology company,’ is a leading manufacturer of high performance exhaust systems and respected for design, innovation and engineering.

  • Increases torque and horsepower
  • 3-year warranty for aluminized steel, lifetime warranty for stainless steel
  • Fully MIG-welded for maximum strength
  • Come in stainless steel and 16-gauge aluminized steel
  • Distinct, super aggressive tone – the most aggressive of Flowmaster’s line-up
  • Doesn’t have any internal packing that can be blown out
  • Fabricated utilizing patented Delta Flow process and 2-chamber design
  • Quick and easy installation
  • Primarily designed for and used on high horsepower performance vehicles
  • Dyno-tested

Flowmaster Super 44 Series Muffler - Black, Stainless Steel, Minor Modifications

$94.44 $123.45 You Save $29.01 (23%)
Add to Cart
Availability: In Stock
Only from APW Rewards
  • Brand SKU#: Flowmaster 842546
  • Series: Flowmaster Super 44 Series
  • Material: Stainless Steel
  • Color/Finish: Black
  • Product Fit: Minor Modifications
  • Quantity Sold: Sold Individually
  • Sound Level: Aggressive
  • Recommended Use: Performance
  • Anticipated Ship Out Time: 1-2 Business Days
  • Attachment Style: Clamp-On or Weld-On (Recommended)
  • Body Length: 13 in.
  • Case Shape: Oval
  • Height: 4 in.
  • Inlet Location: Offset
  • Inlet Quantity: Single
  • Inlet Size: 2.5 in.
  • Internal Construction: Chambered
  • Outlet Location: Center
  • Outlet Quantity: Single
  • Outlet Size: 2.5 in.
  • Overall Length: 19 in.
  • Warranty: Lifetime Flowmaster Limited Warranty
  • Width: 9.75 in.
See more

Fits the following 2003 Toyota Tundra Submodels

  • All Engines | All Submodels
See more

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