Welcome to
Unitrans

Log in to
access your account.

New Customer ?

My Account

Cart

1977 Pontiac Catalina
Unitrans | Loading
New Search
Filter Your Search
  • Diagram
  • Brand
  • Part type
  • Label
  • Engine
  • SubModel
  • BodyStyle

Can not find
what you are
looking for?

Click here
to make a request

Unitrans

Search Results

Show filters

Diagram WAL_13_01594

Diagram WAL_13_01591

Diagram WAL_13_01593

Diagram WAL_13_01587

Diagram WAL_13_01585

Diagram WAL_13_01592

Diagram WAL_13_01590

Exhaust Muffler
18141 | Exhaust Muffler | Walker Exhaust

18141 Walker Exhaust
Walker SoundFX Universal Muffler


Vehicle specific

Qualifier

Modifications and/or Additional Parts May Be Required for Installation

Quantity per vehicle

1

Fits on

  • Only submodels with ...
    • V8   6.6L   -CC   403CID   3.39 Inches   86.0 mm   0  
$68.56
In stock
Item added to cart
18141 | Exhaust Muffler | Walker Exhaust

18141 Walker Exhaust
Walker SoundFX Universal Muffler


Vehicle specific

Qualifier

Modifications and/or Additional Parts May Be Required for Installation

Quantity per vehicle

1

Fits on

  • Only submodels with ...
    • V8   6.6L   -CC   400CID   3.76 Inches   95.5 mm   0  
$68.56
In stock
Item added to cart
18172 | Exhaust Muffler | Walker Exhaust

18172 Walker Exhaust
Walker SoundFX Universal Muffler


Vehicle specific

Qualifier

Modifications and/or Additional Parts May Be Required for Installation

Quantity per vehicle

1

Fits on

  • Base
    • V8   5.7L   -CC   350CID   3.39 Inches   86.0 mm   0   Oldsmobile   [R]  
    • V8   5.7L   -CC   350CID   3.39 Inches   86.0 mm   0   Oldsmobile   [R]  
    • Sedan  
    • Coupe  
  • Safari
    • V8   5.7L   -CC   350CID   3.39 Inches   86.0 mm   0  
    • Wagon  
Item on special order.
Please call us
1 800-361-4260
or make a request.
Item added to cart
18172 | Exhaust Muffler | Walker Exhaust

18172 Walker Exhaust
Walker SoundFX Universal Muffler


Vehicle specific

Qualifier

Modifications and/or Additional Parts May Be Required for Installation

Quantity per vehicle

1

Fits on

  • Base
    • V6   3.8L   3800CC   231CID   3.40 Inches   86.4 mm   0  
    • V6   3.8L   -CC   231CID   3.42 Inches   86.8 mm   0  
  • Other submodels with ...
    • V8   4.9L   -CC   301CID   3.00 Inches   76.2 mm   0  
Item on special order.
Please call us
1 800-361-4260
or make a request.
Item added to cart
18172 | Exhaust Muffler | Walker Exhaust

18172 Walker Exhaust
Walker SoundFX Universal Muffler


Vehicle specific

Qualifier

Modifications and/or Additional Parts May Be Required for Installation

Quantity per vehicle

1

Fits on

  • Only submodels with ...
    • L6   4.1L   -CC   250CID   U/K Inches   U/K mm   0  
Item on special order.
Please call us
1 800-361-4260
or make a request.
Item added to cart
18172 | Exhaust Muffler | Walker Exhaust

18172 Walker Exhaust
Walker SoundFX Universal Muffler


Vehicle specific

Qualifier

Modifications and/or Additional Parts May Be Required for Installation

Quantity per vehicle

1

Fits on

  • Base
    • V8   5.7L   5733CC   350CID   3.75 Inches   95.3 mm   0   [P]  
    • V8   5.7L   5733CC   350CID   3.75 Inches   95.3 mm   0   [P]  
    • Sedan  
    • Coupe  
Item on special order.
Please call us
1 800-361-4260
or make a request.
Item added to cart
18234 | Exhaust Muffler | Walker Exhaust

18234 Walker Exhaust
Walker SoundFX Direct Fit Muffler


Vehicle specific

Quantity per vehicle

1

Fits on

  • Base
    • V8   5.7L   -CC   350CID   3.39 Inches   86.0 mm   0   Oldsmobile   [R]  
    • V8   5.7L   -CC   350CID   3.39 Inches   86.0 mm   0   Oldsmobile   [R]  
    • Sedan  
    • Coupe  
  • Safari
    • V8   5.7L   -CC   350CID   3.39 Inches   86.0 mm   0  
    • Wagon  
$77.74
Additional lead times may
apply for this item
Item added to cart
18234 | Exhaust Muffler | Walker Exhaust

18234 Walker Exhaust
Walker SoundFX Direct Fit Muffler


Vehicle specific

Quantity per vehicle

1

Fits on

  • Base
    • V6   3.8L   3800CC   231CID   3.40 Inches   86.4 mm   0  
    • V6   3.8L   -CC   231CID   3.42 Inches   86.8 mm   0  
  • Other submodels with ...
    • V8   4.9L   -CC   301CID   3.00 Inches   76.2 mm   0  
$77.74
Additional lead times may
apply for this item
Item added to cart
18234 | Exhaust Muffler | Walker Exhaust

18234 Walker Exhaust
Walker SoundFX Direct Fit Muffler


Vehicle specific

Quantity per vehicle

1

Fits on

  • Only submodels with ...
    • L6   4.1L   -CC   250CID   U/K Inches   U/K mm   0  
$77.74
Additional lead times may
apply for this item
Item added to cart
18234 | Exhaust Muffler | Walker Exhaust

18234 Walker Exhaust
Walker SoundFX Direct Fit Muffler


Vehicle specific

Quantity per vehicle

1

Fits on

  • Base
    • V8   5.7L   5733CC   350CID   3.75 Inches   95.3 mm   0   [P]  
    • V8   5.7L   5733CC   350CID   3.75 Inches   95.3 mm   0   [P]  
    • Sedan  
    • Coupe  
$77.74
Additional lead times may
apply for this item
Item added to cart
18235 | Exhaust Muffler | Walker Exhaust

18235 Walker Exhaust
Walker SoundFX Direct Fit Muffler


Vehicle specific

Qualifier

If welded assembly, replace all required parts

Quantity per vehicle

1

Fits on

  • Only submodels with ...
    • V8   6.6L   -CC   403CID   3.39 Inches   86.0 mm   0  
$78.40
In stock
Item added to cart
18235 | Exhaust Muffler | Walker Exhaust

18235 Walker Exhaust
Walker SoundFX Direct Fit Muffler


Vehicle specific

Qualifier

If welded assembly, replace all required parts

Quantity per vehicle

1

Fits on

  • Only submodels with ...
    • V8   6.6L   -CC   400CID   3.76 Inches   95.5 mm   0  
$78.40
In stock
Item added to cart
22317 | Exhaust Muffler | Walker Exhaust

22317 Walker Exhaust
Walker Quiet-Flow SS Muffler


Vehicle specific

Qualifier

Premium | Limited Lifetime Warranty | If welded assembly, replace all required parts

Quantity per vehicle

1

Fits on

  • Only submodels with ...
    • V8   6.6L   -CC   403CID   3.39 Inches   86.0 mm   0  
$128.56
Additional lead times may
apply for this item
Item added to cart
22317 | Exhaust Muffler | Walker Exhaust

22317 Walker Exhaust
Walker Quiet-Flow SS Muffler


Vehicle specific

Qualifier

Premium | Limited Lifetime Warranty | If welded assembly, replace all required parts

Quantity per vehicle

1

Fits on

  • Only submodels with ...
    • V8   6.6L   -CC   400CID   3.76 Inches   95.5 mm   0  
$128.56
Additional lead times may
apply for this item
Item added to cart

Reset

Show All

Collapse all

Scroll Top