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Columbus,  OH  43215-1124
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NAPA Muffler

NAPA Muffler

Part #: EXH 21745
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 Delivers Optimal OE-Style Fit, Appearance, And Dependability In Aftermarket Emissions Control Parts.


  • 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 Material Stainless Steel
Reversible No
Body Shape Oval
Inlet Connection Type Welded Flange
Outlet Diameter 2.75 in
Inlet Count Single
Manufacturer Part Number 21745
Overall Length 23.00 in
VMRS Code 043003001
Material Stainless Steel
Muffler Inlet Diameter Designation 2 Bolt Welded Flange
Brand NAPA
Body Width 9.00 in
Contents 1 Muffler
Body Length 13.00 in
Outlet Diameter Designation Outside Diameter
Outlet Connection Type Tip
Body Height 7.00 in
Outlet Count Single
Outlet Configuration Offset
SDS Required No
Finish Natural
Grade Type Premium
Inlet Configuration Offset

Safety Information

Vehicle Fitment Guide

Product Reviews