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NAPA Muffler

NAPA Muffler

Part #: EXH 21432
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 Pipe Connection
Main Body Width 11.000 in
Inlet Count Single
Inlet Location Center
VMRS Code 043003001
Body Length 25.000 in
Outlet Diameter Designation Inside Diameter
Outlet Connection Type Pipe Connection
Outlet Count Single
SDS Required No
Finish Aluminized
Inlet Configuration Centered
Muffler Material Stainless Steel
Total Length 30.125 in
Reversible No
Universal Or Specific Fit Specific
Body Shape Oval
Hanger Included No
Inlet Connection Type Welded Flange
Muffler Outlet Diameter Designation 2 1/4" I.D. Pipe Connection
Outlet Diameter 2.25 in
Manufacturer Part Number 21432
Overall Length 30.125 in
Tunable No
Material Stainless Steel
Muffler Inlet Diameter Designation 2 Bolt Welded Flange
Brand NAPA
Body Width 11.00 in
Body Material Stainless Steel
Contents 1 Muffler
Outlet Inside Diameter 2.250 in
Muffler Inlet Connection Type 2 Bolt Welded Flange
Outlet Location Offset
Body Height 5.50 in
Outlet Configuration Offset
Grade Type Premium

Safety Information

Vehicle Fitment Guide

Product Reviews