Peterbilt 357/378 Exhaust Kits

Peterbilt 357/378 Exhaust Kits

Peterbilt 357/378 Exhaust Kits

Make upgrading your exhaust a breeze with Peterbilt 378 aftermarket exhaust kits. Shop for custom, chrome, and aftermarket exhaust kits, designed to fit your Peterbilt. We have exhaust kits and parts that will fit your big rig and budget.
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  • BESTfit 8-5 X 114 Inch Chrome Exhaust Kit W/ Bull Hauler Stacks, Long 90S & Chrome Tapered Y-Pipe BESTfit 8-5 X 114 Inch Chrome Exhaust Kit W/ Bull Hauler Stacks, Long 90S & Chrome Tapered Y-Pipe
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    BESTfit 8-5 X 114 Inch Chrome Exhaust Kit W/ Bull Hauler Stacks, Long 90S & Chrome Tapered Y-Pipe

    BESTFIT TRUCK PARTS

    $4,273.99
    BESTfit Chrome 8 Inch Exhaust Kit With 52 Inch Spool Fits Peterbilt 378 & 379Introducing BESTfit CHROME EXHAUST KITS! These Kits Are Installer-Friendly, Produced With All High Quality Components, Offer The Best Tee Pipe Options In The Industry, And Have...
    $4,273.99
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  • BESTfit 8 X 114 Inch Chrome Exhaust Kit With Miter Tops, Unibilt, Long 90s & 8 Inch Y-Pipe  For Peterbilt 378, 379, 389 BESTfit 8 X 114 Inch Chrome Exhaust Kit With Miter Tops, Unibilt, Long 90s & 8 Inch Y-Pipe  For Peterbilt 378, 379, 389
    Add to Cart

    BESTfit 8 X 114 Inch Chrome Exhaust Kit With Miter Tops, Unibilt, Long 90s & 8 Inch Y-Pipe For Peterbilt 378, 379, 389

    BESTFIT TRUCK PARTS

    $3,923.99
    BESTfit Chrome 8 Inch Exhaust Kit With 55 Inch Spool Fits Peterbilt * Made Of High Quality Chrome-Plated Steel* Sleeper Type: Unibilt* Top Cut: Miter Top* Length: 114 Inches* Kit Includes: - Miter Top Stack (2) - 55 Inch Center Spools (2) - 8...
    $3,923.99
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  • BESTfit 8 To 5 X 114 Inch Chrome Exhaust Kit With Miter Stacks, Long 90s, Unibilt & Tapered Y-Pipe  For Peterbilt 378, 379, 389 BESTfit 8 To 5 X 114 Inch Chrome Exhaust Kit With Miter Stacks, Long 90s, Unibilt & Tapered Y-Pipe  For Peterbilt 378, 379, 389
    Add to Cart

    BESTfit 8 To 5 X 114 Inch Chrome Exhaust Kit With Miter Stacks, Long 90s, Unibilt & Tapered Y-Pipe For Peterbilt 378, 379, 389

    BESTFIT TRUCK PARTS

    $3,552.99
    BESTfit Chrome 8 Inch Exhaust Kit With 55 Inch Spool Fits Peterbilt * Made Of High Quality Chrome-Plated Steel* Sleeper Type: Unibilt* Top Cut: Miter Top* Length: 114 Inches* Kit Includes: - Miter Top Stack (2) - 55 Inch Center Spools (2) - 8...
    $3,552.99
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    $3,552.99
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  • BESTfit 8 X 114 Inch Chrome Exhaust Kit With Miter Tops, Long 90s & 8 Inch Y-Pipe  For Peterbilt 378, 379, 389 BESTfit 8 X 114 Inch Chrome Exhaust Kit With Miter Tops, Long 90s & 8 Inch Y-Pipe  For Peterbilt 378, 379, 389
    Add to Cart

    BESTfit 8 X 114 Inch Chrome Exhaust Kit With Miter Tops, Long 90s & 8 Inch Y-Pipe For Peterbilt 378, 379, 389

    BESTFIT TRUCK PARTS

    $3,878.99
    BESTfit Chrome 8 Inch Exhaust Kit With 55 Inch Spool Fits Peterbilt * Made Of High Quality Chrome-Plated Steel* Sleeper Type: Standard* Top Cut: Miter Top* Length: 114 Inches* Kit Includes: - Miter Top Stack (2) - 55 Inch Center Spools (2) - 8...
    $3,878.99
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    $3,878.99
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  • BESTfit 8 X 114 Inch Chrome Exhaust Kit W/ Miter Stacks, Long 90S & 8 Inch Y-Pipe BESTfit 8 X 114 Inch Chrome Exhaust Kit W/ Miter Stacks, Long 90S & 8 Inch Y-Pipe
    Add to Cart

    BESTfit 8 X 114 Inch Chrome Exhaust Kit W/ Miter Stacks, Long 90S & 8 Inch Y-Pipe

    BESTFIT TRUCK PARTS

    $4,395.99
    BESTfit Chrome 8 Inch Exhaust Kit With 52 Inch Spool Fits Peterbilt 378 & 379Introducing BESTfit CHROME EXHAUST KITS! These Kits Are Installer-Friendly, Produced With All High Quality Components, Offer The Best Tee Pipe Options In The Industry, And Have...
    $4,395.99
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    Qty in Cart: 0
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    $4,395.99
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  • BESTfit 8 To 5 X 114 Inch Chrome Exhaust Kit With Miter Stacks, Long 90s & Y-Pipe  For Peterbilt 378, 379, 389 BESTfit 8 To 5 X 114 Inch Chrome Exhaust Kit With Miter Stacks, Long 90s & Y-Pipe  For Peterbilt 378, 379, 389
    Add to Cart

    BESTfit 8 To 5 X 114 Inch Chrome Exhaust Kit With Miter Stacks, Long 90s & Y-Pipe For Peterbilt 378, 379, 389

    BESTFIT TRUCK PARTS

    $3,523.99
    BESTfit Chrome 8 Inch Exhaust Kit With 55 Inch Spool Fits Peterbilt * High Quality Exhaust Kit* Kit Includes: - (2) Miter Top Stack - (2) 55 Center Spools - (2) 8 Inch To 5 Inch Long Drop Elbows - (4) Exhaust Brackets - (8) Exhaust Bushings* Made Of...
    $3,523.99
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  • BESTfit 8-5 X 114 Inch Chrome Exhaust Kit W/ Miter Stacks, Long 90S & Chrome Tapered Y-Pipe BESTfit 8-5 X 114 Inch Chrome Exhaust Kit W/ Miter Stacks, Long 90S & Chrome Tapered Y-Pipe
    Add to Cart

    BESTfit 8-5 X 114 Inch Chrome Exhaust Kit W/ Miter Stacks, Long 90S & Chrome Tapered Y-Pipe

    BESTFIT TRUCK PARTS

    $4,132.99
    BESTfit Chrome 8 Inch Exhaust Kit With 52 Inch Spool Fits Peterbilt 378 & 379Introducing BESTfit CHROME EXHAUST KITS! These Kits Are Installer-Friendly, Produced With All High Quality Components, Offer The Best Tee Pipe Options In The Industry, And Have...
    $4,132.99
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    Qty in Cart: 0
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    $4,132.99
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  • BESTfit 8 X 114 Inch Chrome Exhaust Kit With Flat Top Stacks, Long 90s, Unibilt, & 8 Inch Y-Pipe  For Peterbilt 378, 379, 389 BESTfit 8 X 114 Inch Chrome Exhaust Kit With Flat Top Stacks, Long 90s, Unibilt, & 8 Inch Y-Pipe  For Peterbilt 378, 379, 389
    Add to Cart

    BESTfit 8 X 114 Inch Chrome Exhaust Kit With Flat Top Stacks, Long 90s, Unibilt, & 8 Inch Y-Pipe For Peterbilt 378, 379, 389

    BESTFIT TRUCK PARTS

    $3,923.99
    BESTfit Chrome 8 Inch Exhaust Kit With 55 Inch Spool Fits Peterbilt * Made Of High Quality Chrome-Plated Steel* Sleeper Type: Unibilt* Top Cut: Flat Top* Length: 114 Inches* Kit Includes: - Flat Top Stack (2) - 55 Inch Center Spools (2) - 8 Inch...
    $3,923.99
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    Qty in Cart: 0
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    $3,923.99
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  • BESTfit 8 To 5 X 114 Inch Chrome Exhaust Kit With Flat Top Stacks, Long 90s, Unibilt & Tapered Y-Pipe  For Peterbilt 378, 379, 389 BESTfit 8 To 5 X 114 Inch Chrome Exhaust Kit With Flat Top Stacks, Long 90s, Unibilt & Tapered Y-Pipe  For Peterbilt 378, 379, 389
    Add to Cart

    BESTfit 8 To 5 X 114 Inch Chrome Exhaust Kit With Flat Top Stacks, Long 90s, Unibilt & Tapered Y-Pipe For Peterbilt 378, 379, 389

    BESTFIT TRUCK PARTS

    $3,552.99
    BESTfit Chrome 8 Inch Exhaust Kit With 55 Inch Spool Fits Peterbilt * Made Of High Quality Chrome-Plated Steel* Sleeper Type: Unibilt* Top Cut: Flat Top* Kit Includes: - Flat Top Stack (2) - 55 Inch Center Spools (2) - 8 Inch To 5 Inch Long Drop...
    $3,552.99
    Add to Cart
    Qty in Cart: 0
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    $3,552.99
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  • BESTfit 8 X 114 Inch Chrome Exhaust Kit With Flat Top Stacks, Long 90s & 8 Inch Y-Pipe  For Peterbilt 378, 379, 389 BESTfit 8 X 114 Inch Chrome Exhaust Kit With Flat Top Stacks, Long 90s & 8 Inch Y-Pipe  For Peterbilt 378, 379, 389
    Add to Cart

    BESTfit 8 X 114 Inch Chrome Exhaust Kit With Flat Top Stacks, Long 90s & 8 Inch Y-Pipe For Peterbilt 378, 379, 389

    BESTFIT TRUCK PARTS

    $3,878.99
    BESTfit Chrome 8 Inch Exhaust Kit With 55 Inch Spool Fits Peterbilt * Made Of High Quality Chrome-Plated Steel* Sleeper Type: Standard* Top Cut: Flat Top* Length: 114 Inches* Kit Includes: - Flat Top Stack (2) - 55 Inch Center Spools (2) - 8...
    $3,878.99
    Add to Cart
    Qty in Cart: 0
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    Price:
    $3,878.99
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  • BESTfit 8 X 114 Inch Chrome Exhaust Kit W/ Flat Top Stacks, Long 90S & 8 Inch Y-Pipe BESTfit 8 X 114 Inch Chrome Exhaust Kit W/ Flat Top Stacks, Long 90S & 8 Inch Y-Pipe
    Add to Cart

    BESTfit 8 X 114 Inch Chrome Exhaust Kit W/ Flat Top Stacks, Long 90S & 8 Inch Y-Pipe

    BESTFIT TRUCK PARTS

    $4,395.99
    BESTfit Chrome 8 Inch Exhaust Kit With 52 Inch Spool Fits Peterbilt 378 & 379Introducing BESTfit CHROME EXHAUST KITS! These Kits Are Installer-Friendly, Produced With All High Quality Components, Offer The Best Tee Pipe Options In The Industry, And Have...
    $4,395.99
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $4,395.99
    Subtotal:
  • BESTfit 8 To 5 X 114 Inch Chrome Exhaust Kit With Flat Top Stacks, Long 90s & Tapered Y-Pipe  For Peterbilt 378, 379, 389 BESTfit 8 To 5 X 114 Inch Chrome Exhaust Kit With Flat Top Stacks, Long 90s & Tapered Y-Pipe  For Peterbilt 378, 379, 389
    Add to Cart

    BESTfit 8 To 5 X 114 Inch Chrome Exhaust Kit With Flat Top Stacks, Long 90s & Tapered Y-Pipe For Peterbilt 378, 379, 389

    BESTFIT TRUCK PARTS

    $3,523.99
    BESTfit Chrome 8 Inch Exhaust Kit With 55 Inch Spool Fits Peterbilt * Made Of High Quality Chrome-Plated Steel* Sleeper Type: Standard* Top Cut: Flat Top* Length: 114 Inches* Kit Includes: - Flat Top Stack (2) - 55 Inch Center Spools (2) - 8...
    $3,523.99
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $3,523.99
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