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Part #: 18449

Walker 18449 Exhaust Muffler

SoundFX Direct Fit
66 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
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In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
SoundFX Direct Fit
Fitment: Chrysler, Dodge, and Plymouth, 600, Aries, Challenger, LeBaron, Rampage, and Reliant
Easy Returns — Return within 60 days for a full refund
Fast Shipping — Most orders ship same business day before 1pm CST

Walker SoundFX Direct Fit Muffler 18449

Walker SoundFX Direct Fit muffler 18449 is a specific-fit exhaust muffler built for select Dodge, Plymouth, and Chrysler applications. It uses aluminized steel construction for improved service life versus low-carbon steel and is shaped for a direct replacement on vehicles that need a round, offset-inlet, offset-outlet muffler.

Key Features

  • Part number 18449 from Walker SoundFX Direct Fit
  • Specific-fit exhaust muffler for select Chrysler, Dodge, and Plymouth vehicles
  • 100% aluminized steel body for corrosion resistance and longer service life
  • Round, combination muffler design with 1.875 in. inlet and outlet diameters
  • Offset inlet and offset outlet configuration for direct-fit replacement
  • Mechanical interior joints and spun-locked heads for added durability
  • Body dimensions: 5 in. width, 5 in. height, 19 in. body length, 25.5 in. overall length

Product Details

Walker SoundFX Direct Fit is a product line focused on OE-style exhaust replacement with a clean appearance and controlled acoustics. This muffler follows the direct-fit format for easier matching to the original exhaust layout, making it a practical choice for restoring exhaust function on vehicles such as the Dodge Aries, Plymouth Reliant, Chrysler LeBaron, Dodge 600, Dodge Rampage, and Dodge Challenger. Part number 18449 is built with aluminized steel and a steel body to support long-term exhaust service in everyday driving conditions.

This part cross-references AP Exhaust 9206 for the same application.

What It Helps Fix

  • Exhaust noise from a rusted or damaged muffler
  • Restricted exhaust flow caused by internal muffler deterioration
  • Fitment issues when replacing an original offset muffler
  • Visible corrosion on an aging exhaust component
  • Loss of factory-style exhaust tone on select classic vehicles

Installation Notes

Fits 1981-1989 Dodge Aries, N/A. Fits 1981-1989 Plymouth Reliant, N/A. Fits 1982-1986 Chrysler LeBaron, N/A. Fits 1984-1986 Dodge 600, N/A. Fits 1982-1984 Dodge Rampage, N/A. Fits 1970-1974 Dodge Challenger, N/A.

Verify inlet and outlet diameter, offset configuration, and overall length against the original muffler before installation. This muffler uses pipe-connection inlet and tip-style outlet connections with a 1.875 in. inside diameter at the inlet and 1.875 in. outside diameter at the outlet. Professional exhaust installation is recommended for proper alignment and sealing.

Quality Assurance

Walker builds SoundFX Direct Fit mufflers with aluminized steel, mechanical interior joints, and spun-locked heads to support durability and consistent fit. Part number 18449 is engineered as a direct replacement for select factory exhaust applications.

BrandWalker
Part Number18449
PositionSoundFX Direct Fit
Universal Or Specific FitSpecific
ShapeRound
Grade TypeRegular
Inlet Inside Diameter1.875
Body Width5
Inlet Quantity1
Outlet Quantity1
ReversibleNo
TunableNo
Overall Length25.5
Body Height5
Body Length19
Body MaterialSteel
FinishAluminized
Inlet 1 Inside Diameter1.875
Inlet 1 TypePipe connection
Inlet ConfigurationOffset
Inlet Offset1.25
Inlet TypePipe connection
Muffler TypeCombination
Outlet 1 Outside Diameter1.875
Outlet 1 TypeTip
Outlet ConfigurationOffset
Outlet Outside Diameter1.875
Outlet TypeTip

This part fits 66 vehicles. Search below:

YearMakeModelSubmodel# DoorsLitersCylindersPositionNotes
1989DodgeAries2.2LL4N/ASoundFX Direct Fit
1989DodgeAries2.5LL4N/ASoundFX Direct Fit
1989PlymouthReliant2.2LL4N/ASoundFX Direct Fit
1989PlymouthReliant2.5LL4N/ASoundFX Direct Fit
1988DodgeAries2.2LL4N/ASoundFX Direct Fit
1988PlymouthReliant2.2LL4N/ASoundFX Direct Fit
1987DodgeAries2.2LL4N/ASoundFX Direct Fit
1987PlymouthReliant2.2LL4N/ASoundFX Direct Fit
1986ChryslerLeBaronBase2.2LL4N/ASoundFX Direct Fit
1986ChryslerLeBaronMark Cross2.5LL4N/ASoundFX Direct Fit
1986ChryslerLeBaronBase2.5LL4N/ASoundFX Direct Fit
1986Dodge6002 Door2.2LL4N/ASoundFX Direct Fit
1986Dodge6002 Door2.5LL4N/ASoundFX Direct Fit
1986DodgeAries2.5LL4N/ASoundFX Direct Fit
1986DodgeAriesBase2.2LL4N/ASoundFX Direct Fit
1986DodgeAriesLE2.2LL4N/ASoundFX Direct Fit
1986DodgeAriesSE2.2LL4N/ASoundFX Direct Fit
1986PlymouthReliant2.2LL4N/ASoundFX Direct Fit
1986PlymouthReliant2.5LL4N/ASoundFX Direct Fit
1985ChryslerLeBaronBase2.2LL4N/ASoundFX Direct Fit
1985ChryslerLeBaronMark Cross2.2LL4N/ASoundFX Direct Fit
1985ChryslerLeBaronMark Cross2.6LL4N/ASoundFX Direct Fit
1985ChryslerLeBaronBase2.6LL4N/ASoundFX Direct Fit
1985Dodge6002 Door2.6LL4N/ASoundFX Direct Fit
1985Dodge6002 Door2.2LL4N/ASoundFX Direct Fit
1985DodgeAries2.2LL4N/ASoundFX Direct Fit
1985DodgeAries2.6LL4N/ASoundFX Direct Fit
1985PlymouthReliant2.2LL4N/ASoundFX Direct Fit
1985PlymouthReliant2.6LL4N/ASoundFX Direct Fit
1984ChryslerLeBaron2.6LL4N/ASoundFX Direct Fit
1984ChryslerLeBaron2.2LL4N/ASoundFX Direct Fit
1984Dodge6002 Door2.6LL4N/ASoundFX Direct Fit
1984Dodge6002 Door2.2LL4N/ASoundFX Direct Fit
1984DodgeAries2.2LL4N/ASoundFX Direct Fit
1984DodgeAries2.6LL4N/ASoundFX Direct Fit
1984DodgeRampage2.2LL4N/ASoundFX Direct Fit
1984PlymouthReliant2.6LL4N/ASoundFX Direct Fit
1984PlymouthReliant2.2LL4N/ASoundFX Direct Fit
1983ChryslerLeBaron2.6LL4N/ASoundFX Direct Fit
1983ChryslerLeBaron2.2LL4N/ASoundFX Direct Fit
1983DodgeAries2.2LL4N/ASoundFX Direct Fit
1983DodgeAries2.6LL4N/ASoundFX Direct Fit
1983DodgeRampage2.2LL4N/ASoundFX Direct Fit
1983PlymouthReliant2.6LL4N/ASoundFX Direct Fit
1983PlymouthReliant2.2LL4N/ASoundFX Direct Fit
1982ChryslerLeBaron2.2LL4N/ASoundFX Direct Fit
1982ChryslerLeBaron2.6LL4N/ASoundFX Direct Fit
1982DodgeAries2.6LL4N/ASoundFX Direct Fit
1982DodgeAries2.2LL4N/ASoundFX Direct Fit
1982DodgeRampage2.2LL4N/ASoundFX Direct Fit
1982PlymouthReliant2.6LL4N/ASoundFX Direct Fit
1982PlymouthReliant2.2LL4N/ASoundFX Direct Fit
1981DodgeAries2.6LL4N/ASoundFX Direct Fit
1981DodgeAries2.2LL4N/ASoundFX Direct Fit
1981PlymouthReliant2.6LL4N/ASoundFX Direct Fit
1981PlymouthReliant2.2LL4N/ASoundFX Direct Fit
1974DodgeChallenger5.2LV8N/ASoundFX Direct Fit
1973DodgeChallenger5.2LV8N/ASoundFX Direct Fit
1972DodgeChallenger5.2LV8N/ASoundFX Direct Fit
1972DodgeChallenger3.7LL6N/ASoundFX Direct Fit
1971DodgeChallenger3.2LL6N/ASoundFX Direct Fit
1971DodgeChallenger3.7LL6N/ASoundFX Direct Fit
1971DodgeChallengerBase5.2LV8N/ASoundFX Direct Fit
1970DodgeChallenger3.2LL6N/ASoundFX Direct Fit
1970DodgeChallenger3.7LL6N/ASoundFX Direct Fit
1970DodgeChallengerBase5.2LV8N/ASoundFX Direct Fit

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

3134322433017000207000897001059206

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.