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NAPA Auto Parts GRANDVIEW
844 Grandview Ave
Columbus,  OH  43215-1124
(614) 488-3176
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NAPA Muffler

NAPA Muffler

Part #: EXH 21438
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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Stainless Steel Body w/ Aluminized Pipe & Heat Shields For Durability.


  • 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

Shape Oval
Muffler Outlet Connection Type 2 Bolt Welded Flange
Main Body Width 9.750 in
Inlet Count Single
Inlet Location Offset
VMRS Code 043003001
Body Length 20.000 in
Inlet Diameter 2.00 in
Outlet Connection Type Welded Flange
Outlet Count Single
SDS Required No
Finish Aluminized
Inlet Configuration Offset
Muffler Material Stainless Steel
Total Length 24.750 in
Reversible No
Universal Or Specific Fit Specific
Body Shape Oval
Hanger Included Yes
Inlet Connection Type Pipe Connection
Muffler Outlet Diameter Designation O.D. 2 Bolt Welded Flange
Manufacturer Part Number 21438
Overall Length 24.75 in
Tunable No
Material Stainless Steel
Muffler Inlet Diameter Designation 2 in. O.D. Pipe Connection
Inlet Diameter Designation Inside Diameter
Brand NAPA
Body Width 9.75 in
Muffler Inlet Diameter 1 (in) 2"
Body Material Stainless Steel
Contents 1 Muffler
Inlet Inside Diameter 2.000 in
Muffler Inlet Connection Type Pipe Connection
Outlet Location Center
Body Height 4.25 in
Outlet Configuration Center
Grade Type Premium

Safety Information

Vehicle Fitment Guide

Product Reviews