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The Following brands are available based on your search.

  • Flowmaster
    Flowmaster
  • Walker
    Walker

Best Selling Genuine Hummer Mufflers

  • We Stock the following top leading brands, including Walker, Flowmaster
  • Constantly Updated Inventory of Hummer Replacement Muffler Parts

We stock Muffler parts for most Hummer models, including H2.

Walker
2003 Hummer H2 Exhaust Muffler 8 Cyl 6.0L Walker - Walker Quiet-Flow SS Muffler

P311-2435302    21431  New

Qty:
$97.69
Walker Exhaust Muffler
  • Premium - Limited Lifetime Warranty; If welded assembly, replace all required parts.; Single Outlet Muffler replaces Dual Outlet Muffler.
  • Walker Quiet-Flow SS Muffler
  • Product Attributes:
    • Automotive Item Grade: Oem Standard Part
    • Fitment: Direct Oe Replacement
    • Max Year Covered: 2006
    • Min Year Covered: 2001
    • Most Popular Make / Model: Gmc Yukon
    • Most Popular Year: 2003
    • Muffler Body Height: 7.000
    • Muffler Body Length: 24.000
    • Muffler Body Material: Stainless Steel
    • Muffler Body Width: 9.000
    • Muffler Inlet Configuration: Offset
    • Muffler Inlet Connection Type: Pipe Connection
    • Muffler Inlet Count: 2
    • Muffler Inlet Diameter 1: 2.500
    • Muffler Inlet Diameter Designation: Inside Diameter
    • Muffler Outlet Configuration: Offset
    • Muffler Outlet Connection Type: Pipe Connection
    • Muffler Outlet Count: 1
    • Muffler Outlet Diameter: 2.625
    • Muffler Outlet Diameter Designation: Inside Diameter
    • Muffler Overall Length: 28.000
    • Muffler Reversible: No
    • Muffler Shape: Oval
    • Muffler Type: Combination
    • Product Grade: Economy
    • Total Part VIO: 497757
Brand: Walker
Additional Fitment Information:
Vehicle Block Engine CID CC
2003 - Hummer H2 V 8 Cyl 6.0L 364 5967
Flowmaster
2005 Hummer H2 Exhaust Muffler Flowmaster - 50 Series(TM) Big Block Muffler

P311-3155E83    527504  New

Qty:
$214.58
Flowmaster Exhaust Muffler
  • 2.75in.IN(D)/2.5in.(D)OUT 50 SERIES BB
  • 2.75 in. Dual Inlet/2.5 in. Dual Outlet; Case Dimensions 5 in. x 12 in. x 22 in.; 28 in. Overall Length; Aluminized Steel
  • 50 Series(TM) Big Block Muffler
  • Product Attributes:
    • Automotive Item Grade: High Performance
    • Body Height: 5.000 In.
    • Body Length: 22.000 In.
    • Body Width: 12.000 In.
    • Color: Black
    • Fitment: Universal
    • Inlet Connection Type: Pipe
    • Inlet Diameter: 2.750 In.
    • Inlet Inside Diameter: 2.750 In.
    • Inlet Position: Dual
    • Inlet Type: Dual
    • Main Piping Diameter: 2.750 In.
    • Material: Aluminized Steel
    • Mount Type: Uses New Hangers (not Included)
    • Muffler Series: 50 Series Big Block
    • Muffler Type: Reflection
    • Outlet Connection Type: Pipe
    • Outlet Diameter: 2.500 In.
    • Outlet Outside Diameter: 2.500 In.
    • Outlet Position: Dual
    • Outlet Type: Dual Outlet
    • Overall Length: 28.000 In.
    • Shape: Oval
    • Sound Level: Mild
    • Tip Quantity: 0
    • Title: Flowmaster 527504 50 Big Block Muffler - 2.75 Dual In / 2.50 Dual Out - Mild Sound
    • WARNING CA Proposition 65: No
  • The 50 Series Big Block muffler is made for more than just big cubic inch engine applications. Its large case size with internal tuning chamber provides mileage and power gains along with maximum sound control for a quiet interior tone, even under heavy loads. Well suited to heavy duty vehicles such as full size trucks, SUV's, RVs, and tow vehicles. Constructed of 16 gauge aluminized steel and fully MIG welded for maximum durability.
  • Suggested Purchase Quantity: 2
    • Most jobs typically require 2 of this item.
Brand: Flowmaster
Additional Fitment Information:
Vehicle
2005 - Hummer H2