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 X 108 Inch Chrome Exhaust Kit With Miter Stacks, Long 90s, Quiet Spool & 8 Inch Y-Pipe  For Peterbilt 378, 379, 389 BESTfit 8 X 108 Inch Chrome Exhaust Kit With Miter Stacks, Long 90s, Quiet Spool & 8 Inch Y-Pipe  For Peterbilt 378, 379, 389
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    BESTfit 8 X 108 Inch Chrome Exhaust Kit With Miter Stacks, Long 90s, Quiet Spool & 8 Inch Y-Pipe For Peterbilt 378, 379, 389

    BESTFIT TRUCK PARTS

    $4,107.99
    BESTfit Chrome 8 Inch Exhaust Kit With 55 Inch Spool Fits Peterbilt 378 & 379 * Made Of High Quality Chrome-Plated Steel* Sleeper Type: Standard* Top Cut: Miter Top* Length: 108 Inches* 55 Inch Quiet Spools* Kit Includes: - Miter Top Stack (2) -...
    $4,107.99
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  • BESTfit 8 X 108 Inch Chrome Exhaust Kit W/ Miter Stacks, Long 90S & 8 Inch Y-Pipe BESTfit 8 X 108 Inch Chrome Exhaust Kit W/ Miter Stacks, Long 90S & 8 Inch Y-Pipe
    Add to Cart

    BESTfit 8 X 108 Inch Chrome Exhaust Kit W/ Miter Stacks, Long 90S & 8 Inch Y-Pipe

    BESTFIT TRUCK PARTS

    $4,326.99
    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...
    $4,326.99
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  • BESTfit 8 To 5 X 108 Inch Chrome Exhaust Kit With Miter Stacks, Long 90s, Quiet Spool & Tapered Y-Pipe  For Peterbilt 378, 379, 389 BESTfit 8 To 5 X 108 Inch Chrome Exhaust Kit With Miter Stacks, Long 90s, Quiet Spool & Tapered Y-Pipe  For Peterbilt 378, 379, 389
    Add to Cart

    BESTfit 8 To 5 X 108 Inch Chrome Exhaust Kit With Miter Stacks, Long 90s, Quiet Spool & Tapered Y-Pipe For Peterbilt 378, 379, 389

    BESTFIT TRUCK PARTS

    $3,746.99
    BESTfit Chrome 8 Inch Exhaust Kit With 55 Inch Spool Fits Peterbilt 378 & 379 * Made Of High Quality Chrome-Plated Steel* Sleeper Type: Standard* Top Cut: Miter Top* Length: 108 Inches* 55 Inch Quiet Spools* Kit Includes: - Miter Top Stack (2) -...
    $3,746.99
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  • BESTfit 8 X 108 Inch Chrome Exhaust Kit With Flat Top Stacks, Long 90s, Quiet Spool, Unibilt & 8 Inch Y-Pipe  For Peterbilt 378, 379, 389 BESTfit 8 X 108 Inch Chrome Exhaust Kit With Flat Top Stacks, Long 90s, Quiet Spool, Unibilt & 8 Inch Y-Pipe  For Peterbilt 378, 379, 389
    Add to Cart

    BESTfit 8 X 108 Inch Chrome Exhaust Kit With Flat Top Stacks, Long 90s, Quiet Spool, Unibilt & 8 Inch Y-Pipe For Peterbilt 378, 379, 389

    BESTFIT TRUCK PARTS

    $4,326.99
    BESTfit Chrome 8 Inch Exhaust Kit With 55 Inch Spool Fits Peterbilt 378 & 379 * Made Of High Quality Chrome-Plated Steel* Sleeper Type: Unibilt* Top Cut: Flat Top* Length: 108 Inches* 55 Inch Quiet Spools* Kit Includes: - Flat Top Stack (2) -...
    $4,326.99
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    $4,326.99
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  • BESTfit 8 To 5 X 108 Inch Chrome Exhaust Kit With Flat Top Stacks, Long 90s, Quiet Spool, Unibilt, & Tapered Y-Pipe  For Peterbilt 378, 379, 389 BESTfit 8 To 5 X 108 Inch Chrome Exhaust Kit With Flat Top Stacks, Long 90s, Quiet Spool, Unibilt, & Tapered Y-Pipe  For Peterbilt 378, 379, 389
    Add to Cart

    BESTfit 8 To 5 X 108 Inch Chrome Exhaust Kit With Flat Top Stacks, Long 90s, Quiet Spool, Unibilt, & Tapered Y-Pipe For Peterbilt 378, 379, 389

    BESTFIT TRUCK PARTS

    $4,061.99
    BESTfit Chrome 8 Inch Exhaust Kit With 55 Inch Spool Fits Peterbilt 378 & 379 * Made Of High Quality Chrome-Plated Steel* Sleeper Type: Unibilt* Top Cut: Flat Top* Length: 108 Inches* 55 Inch Quiet Spools* Kit Includes: - Flat Top Stack (2) -...
    $4,061.99
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    $4,061.99
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  • BESTfit 8 To 5 X 108 Inch Chrome Exhaust Kit With Flat Top Stacks, Long 90s & 8 Inch Y-Pipe  For Peterbilt 378, 379, 389 BESTfit 8 To 5 X 108 Inch Chrome Exhaust Kit With Flat Top Stacks, Long 90s & 8 Inch Y-Pipe  For Peterbilt 378, 379, 389
    Add to Cart

    BESTfit 8 To 5 X 108 Inch Chrome Exhaust Kit With Flat Top Stacks, Long 90s & 8 Inch Y-Pipe For Peterbilt 378, 379, 389

    BESTFIT TRUCK PARTS

    $4,107.99
    BESTfit Chrome 8 Inch Exhaust Kit With 55 Inch Spool Fits Peterbilt 378 & 379 * Made Of High Quality Chrome-Plated Steel* Sleeper Type: Standard* Top Cut: Flat Top* Length: 108 Inches* Kit Includes: - Flat Top Stack (2) - 55 Inch Center Spools (2) ...
    $4,107.99
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  • BESTfit 8-5 X 108 Inch Chrome Exhaust Kit With Flat Top Stacks, Long 90s & 8 Inch Y-Pipe  For Peterbilt 378, 379 BESTfit 8-5 X 108 Inch Chrome Exhaust Kit With Flat Top Stacks, Long 90s & 8 Inch Y-Pipe  For Peterbilt 378, 379
    Add to Cart

    BESTfit 8-5 X 108 Inch Chrome Exhaust Kit With Flat Top Stacks, Long 90s & 8 Inch Y-Pipe For Peterbilt 378, 379

    BESTFIT TRUCK PARTS

    $4,107.99
    BESTfit Chrome 8 Inch Exhaust Kit With 52 Inch Spool Fits Peterbilt 378 & 379 * Made Of High Quality Chrome-Plated Steel* Sleeper Type: Standard* Top Cut: Flat Top* Length: 108 Inches* Long Drop Elbows* 52 Inch Quiet Spools* Kit Includes: - Flat Top...
    $4,107.99
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    $4,107.99
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  • BESTfit 8 To 5 X 108 Inch Chrome Exhaust Kit With Flat Top Stacks, Long 90s & Tapered Y-Pipe  For Peterbilt 378, 379, 389 BESTfit 8 To 5 X 108 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 108 Inch Chrome Exhaust Kit With Flat Top Stacks, Long 90s & Tapered Y-Pipe For Peterbilt 378, 379, 389

    BESTFIT TRUCK PARTS

    $3,746.99
    BESTfit Chrome 8 Inch Exhaust Kit With 55 Inch Spool Fits Peterbilt 378 & 379 * Made Of High Quality Chrome-Plated Steel* Sleeper Type: Standard* Top Cut: Flat Top* Length: 108 Inches* Kit Includes: - Flat Top Stack (2) - 55 Inch Center Spools (2) ...
    $3,746.99
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    $3,746.99
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  • BESTfit 8-5 X 108 Inch Chrome Exhaust Kit With Flat Top Stacks, Long 90s & Chrome Tapered Y-Pipe For Pete 378, 379 1988-2003 BESTfit 8-5 X 108 Inch Chrome Exhaust Kit With Flat Top Stacks, Long 90s & Chrome Tapered Y-Pipe For Pete 378, 379 1988-2003
    Add to Cart

    BESTfit 8-5 X 108 Inch Chrome Exhaust Kit With Flat Top Stacks, Long 90s & Chrome Tapered Y-Pipe For Pete 378, 379 1988-2003

    BESTFIT TRUCK PARTS

    $3,583.99
    BESTfit Chrome 8 Inch Exhaust Kit With 52 Inch Spool Fits Peterbilt 378 & 379 * Made Of High Quality Chrome-Plated Steel* Sleeper Type: Standard* Top Cut: Flat Top* Length: 108 Inches* Long Drop Elbows* 52 Inch Quiet Spools* Kit Includes: - Flat Top...
    $3,583.99
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    $3,583.99
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  • BESTfit 7-5 X 96 Inch Chrome Exhaust Kit W/ West Coast Turnout Stacks, Long 90S & 7 Inch Y-Pipe BESTfit 7-5 X 96 Inch Chrome Exhaust Kit W/ West Coast Turnout Stacks, Long 90S & 7 Inch Y-Pipe
    Add to Cart

    BESTfit 7-5 X 96 Inch Chrome Exhaust Kit W/ West Coast Turnout Stacks, Long 90S & 7 Inch Y-Pipe

    BESTFIT TRUCK PARTS

    $3,804.99
    BESTfit Chrome 7 Inch Exhaust Kit With 55 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...
    $3,804.99
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    $3,804.99
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  • BESTfit 7-5 X 96 Inch Chrome Exhaust Kit W/ West Coast Turnout Stacks, Long 90S, 7 Inch Y-Pipe BESTfit 7-5 X 96 Inch Chrome Exhaust Kit W/ West Coast Turnout Stacks, Long 90S, 7 Inch Y-Pipe
    Add to Cart

    BESTfit 7-5 X 96 Inch Chrome Exhaust Kit W/ West Coast Turnout Stacks, Long 90S, 7 Inch Y-Pipe

    BESTFIT TRUCK PARTS

    $3,804.99
    BESTfit Chrome 7 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...
    $3,804.99
    Add to Cart
    Qty in Cart: 0
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    $3,804.99
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  • BESTfit 7-5 X 96 Inch Chrome Exhaust Kit W/ West Coast Turnout Stacks, Quiet Spools, Long 90S & Chrome Tapered Y-Pipe BESTfit 7-5 X 96 Inch Chrome Exhaust Kit W/ West Coast Turnout Stacks, Quiet Spools, Long 90S & Chrome Tapered Y-Pipe
    Add to Cart

    BESTfit 7-5 X 96 Inch Chrome Exhaust Kit W/ West Coast Turnout Stacks, Quiet Spools, Long 90S & Chrome Tapered Y-Pipe

    BESTFIT TRUCK PARTS

    $3,575.99
    BESTfit Chrome 7 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...
    $3,575.99
    Add to Cart
    Qty in Cart: 0
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    $3,575.99
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