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NAPA Muffler

NAPA Muffler

Part #: EXH 55544
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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DYNOMAX Premium Pre-Bent Pipe Is Manufactured w/ Precision Benders, & Then Fixture Checked, Insuring Every Part Is A Perfect Fit, Providing Quick & Easy Installation


  • OE-Style Domed Heads Help Reduce Radiated Noise Compared To Flat Heads. Spun-Locked Heads To Help Prevent Rupture
  • NAPA, w/ The Capability To Combine Industry-Leading Coverage w/ A Direct Fit OE-Style Replacement, 100% Structural Stainless Steel Muffler, Which Provides Over Three Times The Average Lifespan Of Competitors' Aluminized Replacement Mufflers.
  • In Addition To NAPA's Renowned Precision Fit, Superior Flow, & OE-Style Sound, These Mufflers Feature 409 Stainless Steel Heads, Shell, Bushings, Louvered Tubes & Partitions.
  • Quiet-Flow SS Is Available For A Vast Majority Of Top-Selling Domestic & Foreign-Nameplate Applications.
  • 100% Structural Stainless Steel Construction.
  • 3X The Life Expectancy Vs. Typical Aluminized Mufflers
  • OE-Style Louvered Tube Technology Lowers Noise Level For Premium OE-Style Sound Compared To Straight Performance Tubes
  • Precise OE-Style Routing & Hanger Positions For Quick & Easy Installation
  • Comprehensive Internal Drainage System For Corrosion Resistance
  • Limited Lifetime Warranty & Exclusive 90-Day Safe & Sound Guarantee.

Specifications

Muffler Outlet Connection Type 2 Bolt Welded Flange
Body Configuration Offset Inlet - Center Outlet
Inlet Count Single
VMRS Code 043-003-000
Muffler Inlet I.D. 2 1/4 in.
Body Length 27.00 in
Outlet Diameter Designation Outside Diameter
Body Diameter 11.00 in
Inlet Diameter 2.375 in
Outlet Connection Type Welded Flange
Outlet Count Single
Muffler Outlet I.D. 2 1/4 in
SDS Required No
Finish Aluminized
Inlet Configuration Offset
Muffler Material Stainless Steel
Reversible No
Body Shape Oval
Inlet Connection Type Pipe Connection
Muffler Outlet Diameter Designation O.D. 2 Bolt Welded Flange
Outlet Diameter 2.25 in
Manufacturer Part Number 55544
Overall Length 50.875 in
Material Stainless Steel
Muffler Inlet Diameter Designation 2 3/8 in. I.D. Pipe Connection
Muffler Shell Overall Length 52 in.
Inlet Diameter Designation Inside Diameter
Brand NAPA
Body Width 11.00 in
Muffler Inlet Diameter 1 (in) 2 3/8"
Contents 1 Muffler
Muffler Inlet Connection Type Pipe Connection
Body Height 5.50 in
Outlet Configuration Offset
Grade Type Premium

Safety Information

Vehicle Fitment Guide

Product Reviews