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Choose your Engine for your 2003 Infiniti QX4

  • 6 Cyl 3.5L

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  • Bosal
    Bosal
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    Original Performance
  • Walker Exhaust
    Walker Exhaust

Showing Products For 2003 Infiniti QX4 Exhaust Muffler Assembly

Below are all the different brands and applications for 2003 Infiniti QX4 Exhaust Muffler Assembly

Showing 1 - 5 of 5 Products for Exhaust Muffler Assembly.

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Bosal
2003 Infiniti QX4 Exhaust Muffler Assembly - Front 6 Cyl 3.5L Bosal - BRExhaust Direct-Fit Exhaust Muffler Assembly

P311-504EDCC    283-713  New

Qty:
In Stock & Ready to Ship
$230.96
Bosal Exhaust Muffler Assembly  Front
  • Exhaust Muffler Assembly
  • Front Silencer Includes Intermediate Pipes
  • Exhaust Muffler Assembly
  • BRExhaust Direct-Fit Exhaust Muffler Assembly
  • Product Attributes:
    • Body Height: 6.25
    • Body Length: 16.75
    • Body Width: 10.5
    • Inlet Main Diameter: 1.75
    • Muffler Material: Aluminized Steel
    • Muffler Shape: Oval
    • Outlet Flange Bolt Hole Count: 2
    • Outlet Main Diameter: 2.125
    • Pipe Material: Aluminized Steel
  • This BRExhaust muffler assembly is constructed by one of the leading OE suppliers to provide OE-style performance and maintain a factory-like sound. The direct-fit configuration allows for easy, bolt-on installation with no modifications required. The component is designed to offer corrosion protection in addition to optimal noise reduction and low backpressure. Built from 16-gauge steel tubing and fully aluminized, these mufflers feature an OE-style direct fit configuration compatible with your import or domestic vehicle—while the interior design of the muffler box ensures quiet performance.
Brand: Bosal
Position: Front
Additional Fitment Information:
Vehicle Position Block Engine CID CC
2003 - Infiniti QX4 Front V 6 Cyl 3.5L - 3498
Walker Exhaust
2003 Infiniti QX4 Exhaust Muffler Assembly - Front 6 Cyl 3.5L Walker Exhaust - Walker Quiet-Flow SS Muffler Assembly

P311-56864DD    54377  New

283-713 , 288-873 , 53393 , 53394 , 54378 , 7450 , 7686

Qty:
In Stock & Ready to Ship
$135.71
Walker Exhaust Exhaust Muffler Assembly  Front
  • Quiet-Flow Exhaust Muffler Assembly
  • Premium Limited Lifetime Warranty If welded assembly, replace all required parts
  • Quiet-Flow SS, Aluminized, Inlet - 1.75 Offset, Outlet - Offset
  • Walker Quiet-Flow SS Muffler Assembly
  • Product Attributes:
    • Body Diameter: 11
    • Body Height: 5.5
    • Body Length: 18
    • Body Width: 11
    • Grade Type: Regular
    • Inlet 1 Inside Diameter: 1.75
    • Inlet 1 Type: Pipe Connection
    • Inlet 2 Inside Diameter: 1.75
    • Inlet 2 Type: Pipe Connection
    • Inlet Configuration: Offset
    • Inlet Inside Diameter: 1.75
    • Inlet Quantity: 2
    • Inlet Type: Pipe Connection
    • Muffler Shape: Oval
    • Muffler Type: Combination
    • Outlet 1 Outside Diameter: 2.1
    • Outlet 1 Type: 2 Bolt Welded Flange
    • Outlet Configuration: Offset
    • Outlet Type: 2 Bolt Welded Flange
    • Overall Length: 37.125
    • Shape: Oval
  • Combining the only broad-market stainless-steel construction with a direct fit OE-style replacement, Walker® Quiet-Flow® SS muffler assemblies deliver longer life than typical aluminized mufflers and are available for domestic and foreign vehicles.
Brand: Walker Exhaust
Position: Front
Additional Fitment Information:
Vehicle Position Block Engine CID CC
2003 - Infiniti QX4 Front V 6 Cyl 3.5L - 3498
Walker Exhaust
2003 Infiniti QX4 Exhaust Muffler Assembly - Rear 6 Cyl 3.5L Walker Exhaust - Walker Quiet-Flow SS Muffler Assembly

P311-5677B9A    54378  New

278-713 , 54168 , 54377 , 7686

Qty:
In Stock & Ready to Ship
$91.04
Walker Exhaust Exhaust Muffler Assembly  Rear
  • Quiet-Flow Exhaust Muffler Assembly
  • Premium Limited Lifetime Warranty
  • Quiet-Flow SS, Aluminized, Inlet - Center, Outlet - Center
  • Walker Quiet-Flow SS Muffler Assembly
  • Product Attributes:
    • Body Diameter: 5
    • Body Height: 5
    • Body Width: 5
    • Grade Type: Regular
    • Inlet 1 Outside Diameter: 2.1
    • Inlet 1 Type: 2 Bolt Welded Flange
    • Inlet Configuration: Center
    • Inlet Outside Diameter: 2.1
    • Inlet Type: 2 Bolt Welded Flange
    • Muffler Shape: Round
    • Muffler Type: Combination
    • Outlet 1 Outside Diameter: 2.25
    • Outlet 1 Type: Pipe Connection
    • Outlet Configuration: Center
    • Outlet Type: Pipe Connection
    • Overall Length: 46.5
    • Shape: Round
  • Combining the only broad-market stainless-steel construction with a direct fit OE-style replacement, Walker® Quiet-Flow® SS muffler assemblies deliver longer life than typical aluminized mufflers and are available for domestic and foreign vehicles.
Brand: Walker Exhaust
Position: Rear
Additional Fitment Information:
Vehicle Position Block Engine CID CC
2003 - Infiniti QX4 Rear V 6 Cyl 3.5L - 3498
Original Performance
2003 Infiniti QX4 Exhaust Muffler Assembly - Rear Original Performance

P311-0A7DC80    OPMMN4003  New

203504W020 , 2103-59028-4 , 283-713 , WK54377

Qty:
In Stock & Ready to Ship
$59.47
  • with Fed. & Calif. Emiss.
  • Product Attributes:
    • Inlet Dia. (in): 2.13
    • Outlet Dia. (in): 2.24
Brand: Original Performance
Position: Rear
Additional Fitment Information:
Vehicle Position
2003 - Infiniti QX4 Rear
Original Performance
2003 Infiniti QX4 Exhaust Muffler Assembly - Center Original Performance

P311-07C19A0    OPMMN4011  New

201005W014 , 2103-59444-6 , 283-713 , WK53393 , WK53394 , WK54377

Qty:
In Stock & Ready to Ship
$136.79
  • with Fed. & Calif. Emiss.
  • Product Attributes:
    • Inlet Dia. (in): 2.17
    • Outlet Dia. (in): 1.77
Brand: Original Performance
Position: Center
Additional Fitment Information:
Vehicle Position
2003 - Infiniti QX4 Center

Showing 1 - 5 of 5 Products for Exhaust Muffler Assembly.