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NAPA Exhaust Muffler

NAPA Exhaust Muffler

Part #: EXH 55749
Line: NAPA Exhaust
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Features & Benefits

Warranty: Standard : Limited Lifetime, Replacement Will Be Issued for Unit that Proves Defective During Normal Use on the Vehicle on Which It Was Originally Installed. Extended Only to the Owner of the Vehicle on Which the Unit is Installed-Not Transferable.

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NAPA® Quiet-Flow® SS muffler assemblies feature 100% stainless steel construction for durability and corrosion resistance with a direct-fit, bolt-on design that includes hangers, brackets and pipe routings for easy installation.


  • CORROSION RESISTANT -- Features 100% stainless-steel construction paired with an internal drainage system to reduce moisture collection and rust-out
  • FACTORY SOUND – Unique internal tube design lowers noise levels while domed heads help reduce radiated noise for premium factory-style sound compared to straight perforated tubes
  • DIRECT-FIT MUFFLER ASSEMBLY -- Direct-fit bolt-on replacement solution with OE-style hangers, brackets and pipe routings for easy installation and doesn’t require specialized fabrication and/or welding
  • DURABLE-- Internal partitions and mechanically joined tubes allow expansion and contraction during temperature changes to minimize distortion while spun-locked heads and OE-style spot welds provide durability
  • BUY WITH CONFIDENCE -- Comes with NAPA’s limited lifetime warranty

Specifications

Body Shape Oval
Outlet Diameter 2.50 in
Inlet Count Single
Manufacturer Part Number 55749
Overall Length 51.030 in
Sub Brand Exhaust
VMRS Code 043003001
Material Stainless Steel
Inlet Diameter Designation Inside Diameter
Brand NAPA
Body Width 9.75 in
Contents 1 Muffler
Body Length 17.00 in
Outlet Diameter Designation Outside Diameter
Body Diameter 4.25
Inlet Diameter 3.00 in
Body Height 4.25 in
California Air Resources Board (CARB) Certified No
Outlet Count Single
Outlet Configuration Offset
SDS Required No
Grade Type Premium
Inlet Configuration Offset

Safety Information

Vehicle Fitment Guide

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