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.
  • Product
  • Qty in Cart
  • Quantity
  • Price
  • Subtotal
  • On Sale
    BESTfit 7-5 X 114 Inch Chrome Exhaust Kit W/  Miter Cut Top Stack  Long Drop Elbows No Tee Peterbilt (1987-2003) 52 Inch Quiet Spools Non-Unibilt BESTfit 7-5 X 114 Inch Chrome Exhaust Kit W/  Miter Cut Top Stack  Long Drop Elbows No Tee Peterbilt (1987-2003) 52 Inch Quiet Spools Non-Unibilt
    Add to Cart

    BESTfit 7-5 X 114 Inch Chrome Exhaust Kit W/ Miter Cut Top Stack Long Drop Elbows No Tee Peterbilt (1987-2003) 52 Inch Quiet Spools Non-Unibilt

    BESTFIT TRUCK PARTS

    Now: $2,836.79
    Was: $3,151.99
    Chrome 7 Inch Exhaust Kit With 52 Inch Spool & Long Drop 90 Degree Elbows  - Made Of High Quality Chrome-Plated Steel - Length 114 Inch - 2- 09-08706001- 7 O.D. X 60 Miter Chrome Top Stack  - 2- 09-0837052- Exhaust Quiet Spool 7 Inch...
    Now: $2,836.79
    Was: $3,151.99
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $2,836.79
    Was: $3,151.99
    Subtotal:
  • On Sale
    BESTfit 7-5 X 114 Inch Chrome Exhaust Kit W/  Flat Top Top Stack  Long 90S & Chrome Tapered Y-Pipe 5 Inch Taper Lock Chrome Tee Peterbilt (1987-2003) 52 Inch Quiet Spools Unibilt BESTfit 7-5 X 114 Inch Chrome Exhaust Kit W/  Flat Top Top Stack  Long 90S & Chrome Tapered Y-Pipe 5 Inch Taper Lock Chrome Tee Peterbilt (1987-2003) 52 Inch Quiet Spools Unibilt
    Add to Cart

    BESTfit 7-5 X 114 Inch Chrome Exhaust Kit W/ Flat Top Top Stack Long 90S & Chrome Tapered Y-Pipe 5 Inch Taper Lock Chrome Tee Peterbilt (1987-2003) 52 Inch Quiet Spools Unibilt

    BESTFIT TRUCK PARTS

    Now: $3,711.59
    Was: $4,123.99
    BESTfit Chrome 7 Inch Exhaust Kit With 52 Inch Spool Fits Peterbilt 378 & 379  - Made Of High Quality Chrome-Plated Steel - Sleeper Type: Unibilt - Top Cut: Flat Top - Length: 114 Inches - Long Drop Elbows - 52 Inch Quiet...
    Now: $3,711.59
    Was: $4,123.99
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $3,711.59
    Was: $4,123.99
    Subtotal:
  • On Sale
    BESTfit 7-5 X 114 Inch Chrome Exhaust Kit W/  West Coast Turn Top Stack  Long Drop Elbows No Tee Peterbilt (2005-Newer) 55 Inch Quiet Spools Non-Unibilt BESTfit 7-5 X 114 Inch Chrome Exhaust Kit W/  West Coast Turn Top Stack  Long Drop Elbows No Tee Peterbilt (2005-Newer) 55 Inch Quiet Spools Non-Unibilt
    Add to Cart

    BESTfit 7-5 X 114 Inch Chrome Exhaust Kit W/ West Coast Turn Top Stack Long Drop Elbows No Tee Peterbilt (2005-Newer) 55 Inch Quiet Spools Non-Unibilt

    BESTFIT TRUCK PARTS

    Now: $3,067.19
    Was: $3,407.99
    Chrome 7 Inch Exhaust Kit With 55 Inch Spool & Long Drop 90 Degree Elbows  - Made Of High Quality Chrome-Plated Steel - Length 114 Inch - 2- 09-08706008- 7 O.D. X 60 West Coast Chrome Top Stack  - 2- 09-0837055- Exhaust Quiet Spool 7...
    Now: $3,067.19
    Was: $3,407.99
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $3,067.19
    Was: $3,407.99
    Subtotal:
  • On Sale
    BESTfit 7 X 114 Inch Chrome Exhaust Kit W/  Miter Cut Top Stack   Long 90S & 7 Inch Y-Pipe 7 Inch Taper Lock Chrome Tee Peterbilt (2005-Newer) 55 Inch Quiet Spools Unibilt BESTfit 7 X 114 Inch Chrome Exhaust Kit W/  Miter Cut Top Stack   Long 90S & 7 Inch Y-Pipe 7 Inch Taper Lock Chrome Tee Peterbilt (2005-Newer) 55 Inch Quiet Spools Unibilt
    Add to Cart

    BESTfit 7 X 114 Inch Chrome Exhaust Kit W/ Miter Cut Top Stack Long 90S & 7 Inch Y-Pipe 7 Inch Taper Lock Chrome Tee Peterbilt (2005-Newer) 55 Inch Quiet Spools Unibilt

    BESTFIT TRUCK PARTS

    Now: $3,939.29
    Was: $4,376.99
    BESTfit Chrome 7 Inch Exhaust Kit With 55 Inch Spool Fits Peterbilt 378 & 379  - Made Of High Quality Chrome-Plated Steel - Sleeper Type: Unibilt - Top Cut: Miter Top - Length: 114 Inches - Long Drop Elbows - 55 Inch Quiet...
    Now: $3,939.29
    Was: $4,376.99
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $3,939.29
    Was: $4,376.99
    Subtotal:
  • On Sale
    BESTfit 7-5 X 114 Inch Chrome Exhaust Kit W/  Miter Cut Top Stack  Long 90S & Chrome Tapered Y-Pipe 5 Inch Taper Lock Chrome Tee Peterbilt (2005-Newer) 55 Inch Quiet Spools Non-Unibilt BESTfit 7-5 X 114 Inch Chrome Exhaust Kit W/  Miter Cut Top Stack  Long 90S & Chrome Tapered Y-Pipe 5 Inch Taper Lock Chrome Tee Peterbilt (2005-Newer) 55 Inch Quiet Spools Non-Unibilt
    Add to Cart

    BESTfit 7-5 X 114 Inch Chrome Exhaust Kit W/ Miter Cut Top Stack Long 90S & Chrome Tapered Y-Pipe 5 Inch Taper Lock Chrome Tee Peterbilt (2005-Newer) 55 Inch Quiet Spools Non-Unibilt

    BESTFIT TRUCK PARTS

    Now: $3,408.29
    Was: $3,786.99
    BESTfit Chrome 7 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: 114 Inches - Long Drop Elbows - 55 Inch Quiet...
    Now: $3,408.29
    Was: $3,786.99
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $3,408.29
    Was: $3,786.99
    Subtotal:
  • On Sale
    BESTfit 7 X 114 Inch Chrome Exhaust Kit W/  Flat Top Top Stack   Long 90S & 7 Inch Y-Pipe 7 Inch Taper Lock Chrome Tee Peterbilt (1987-2003) 52 Inch Quiet Spools Non-Unibilt BESTfit 7 X 114 Inch Chrome Exhaust Kit W/  Flat Top Top Stack   Long 90S & 7 Inch Y-Pipe 7 Inch Taper Lock Chrome Tee Peterbilt (1987-2003) 52 Inch Quiet Spools Non-Unibilt
    Add to Cart

    BESTfit 7 X 114 Inch Chrome Exhaust Kit W/ Flat Top Top Stack Long 90S & 7 Inch Y-Pipe 7 Inch Taper Lock Chrome Tee Peterbilt (1987-2003) 52 Inch Quiet Spools Non-Unibilt

    BESTFIT TRUCK PARTS

    Now: $3,722.39
    Was: $4,135.99
    BESTfit Chrome 7 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: 114 Inches - Long Drop Elbows - 52 Inch Quiet...
    Now: $3,722.39
    Was: $4,135.99
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $3,722.39
    Was: $4,135.99
    Subtotal:
  • On Sale
    BESTfit 7-5 X 114 Inch Chrome Exhaust Kit W/  Miter Cut Top Stack  OE Style Elbows  Peterbilt 378, 379, 389 Glider (2005-Newer) 55 Inch Quiet Spools Unibilt BESTfit 7-5 X 114 Inch Chrome Exhaust Kit W/  Miter Cut Top Stack  OE Style Elbows  Peterbilt 378, 379, 389 Glider (2005-Newer) 55 Inch Quiet Spools Unibilt
    Add to Cart

    BESTfit 7-5 X 114 Inch Chrome Exhaust Kit W/ Miter Cut Top Stack OE Style Elbows Peterbilt 378, 379, 389 Glider (2005-Newer) 55 Inch Quiet Spools Unibilt

    BESTFIT TRUCK PARTS

    Now: $2,835.89
    Was: $3,150.99
    BESTfit Chrome 7 Inch Exhaust Kit With 55 Inch Spool Fits Peterbilt 378 & 379  - Made Of High Quality Chrome Steel - Sleeper Type: Unibilt - Top Cut: Miter Top - Length: 114 Inches - Peterbilt Style Elbows - 55 Inch Quiet...
    Now: $2,835.89
    Was: $3,150.99
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $2,835.89
    Was: $3,150.99
    Subtotal:
  • On Sale
    BESTfit 7-5 X 114 Inch Chrome Exhaust Kit W/  Flat Top Top Stack  Long Drop Elbows No Tee Peterbilt (1987-2003) 52 Inch Quiet Spools Unibilt BESTfit 7-5 X 114 Inch Chrome Exhaust Kit W/  Flat Top Top Stack  Long Drop Elbows No Tee Peterbilt (1987-2003) 52 Inch Quiet Spools Unibilt
    Add to Cart

    BESTfit 7-5 X 114 Inch Chrome Exhaust Kit W/ Flat Top Top Stack Long Drop Elbows No Tee Peterbilt (1987-2003) 52 Inch Quiet Spools Unibilt

    BESTFIT TRUCK PARTS

    Now: $3,005.99
    Was: $3,339.99
    Chrome 7 Inch Exhaust Kit With 52 Inch Spool & Long Drop 90 Degree Elbows  - Made Of High Quality Chrome-Plated Steel - Length 114 Inch - 4 - 01-0800700- Wide Angled Clamp 7 Inch Peterbilt Chrome-Plated Stainless Steel - 2 -...
    Now: $3,005.99
    Was: $3,339.99
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $3,005.99
    Was: $3,339.99
    Subtotal:
  • On Sale
    BESTfit 7-5 X 114 Inch Chrome Exhaust Kit W/  West Coast Turn Top Stack  OE Style Elbows  Peterbilt 378, 379 (1987-2003) 52 Inch Quiet Spools Non-Unibilt BESTfit 7-5 X 114 Inch Chrome Exhaust Kit W/  West Coast Turn Top Stack  OE Style Elbows  Peterbilt 378, 379 (1987-2003) 52 Inch Quiet Spools Non-Unibilt
    Add to Cart

    BESTfit 7-5 X 114 Inch Chrome Exhaust Kit W/ West Coast Turn Top Stack OE Style Elbows Peterbilt 378, 379 (1987-2003) 52 Inch Quiet Spools Non-Unibilt

    BESTFIT TRUCK PARTS

    Now: $2,753.09
    Was: $3,058.99
    BESTfit Chrome 7 Inch Exhaust Kit With 52 Inch Spool Fits Peterbilt 378 & 379  - Made Of High Quality Chrome Steel - Sleeper Type: Standard - Top Cut: West Coast Turnouts - Length: 114 Inches - Peterbilt Style Elbows - 55...
    Now: $2,753.09
    Was: $3,058.99
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $2,753.09
    Was: $3,058.99
    Subtotal:
  • On Sale
    BESTfit 7-5 X 114 Inch Chrome Exhaust Kit W/  Flat Top Top Stack  OE Style Elbows  Peterbilt 378, 379, 389 Glider (2005-Newer) 55 Inch Quiet Spools Non-Unibilt BESTfit 7-5 X 114 Inch Chrome Exhaust Kit W/  Flat Top Top Stack  OE Style Elbows  Peterbilt 378, 379, 389 Glider (2005-Newer) 55 Inch Quiet Spools Non-Unibilt
    Add to Cart

    BESTfit 7-5 X 114 Inch Chrome Exhaust Kit W/ Flat Top Top Stack OE Style Elbows Peterbilt 378, 379, 389 Glider (2005-Newer) 55 Inch Quiet Spools Non-Unibilt

    BESTFIT TRUCK PARTS

    Now: $2,639.69
    Was: $2,932.99
    BESTfit Chrome 7 Inch Exhaust Kit With 55 Inch Spool Fits Peterbilt 378 & 379  - Made Of High Quality Chrome Steel - Sleeper Type: Standard - Top Cut: Flat Top - Length: 114 Inches - Peterbilt Style Elbows - 55 Inch Quiet...
    Now: $2,639.69
    Was: $2,932.99
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $2,639.69
    Was: $2,932.99
    Subtotal:
  • On Sale
    BESTfit 7 X 114 Inch Chrome Exhaust Kit W/  Miter Cut Top Stack   Long 90S & 7 Inch Y-Pipe 7 Inch Taper Lock Chrome Tee Peterbilt (2005-Newer) 55 Inch Quiet Spools Non-Unibilt BESTfit 7 X 114 Inch Chrome Exhaust Kit W/  Miter Cut Top Stack   Long 90S & 7 Inch Y-Pipe 7 Inch Taper Lock Chrome Tee Peterbilt (2005-Newer) 55 Inch Quiet Spools Non-Unibilt
    Add to Cart

    BESTfit 7 X 114 Inch Chrome Exhaust Kit W/ Miter Cut Top Stack Long 90S & 7 Inch Y-Pipe 7 Inch Taper Lock Chrome Tee Peterbilt (2005-Newer) 55 Inch Quiet Spools Non-Unibilt

    BESTFIT TRUCK PARTS

    Now: $3,722.39
    Was: $4,135.99
    BESTfit Chrome 7 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: 114 Inches - Long Drop Elbows - 55 Inch Quiet...
    Now: $3,722.39
    Was: $4,135.99
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $3,722.39
    Was: $4,135.99
    Subtotal:
  • On Sale
    BESTfit 7-5 X 114 Inch Chrome Exhaust Kit W/  Flat Top Top Stack  Long Drop Elbows No Tee Peterbilt (1987-2003) 52 Inch Quiet Spools Non-Unibilt BESTfit 7-5 X 114 Inch Chrome Exhaust Kit W/  Flat Top Top Stack  Long Drop Elbows No Tee Peterbilt (1987-2003) 52 Inch Quiet Spools Non-Unibilt
    Add to Cart

    BESTfit 7-5 X 114 Inch Chrome Exhaust Kit W/ Flat Top Top Stack Long Drop Elbows No Tee Peterbilt (1987-2003) 52 Inch Quiet Spools Non-Unibilt

    BESTFIT TRUCK PARTS

    Now: $2,836.79
    Was: $3,151.99
    Chrome 7 Inch Exhaust Kit With 52 Inch Spool & Long Drop 90 Degree Elbows  - Made Of High Quality Chrome-Plated Steel - Length 114 Inch - 2- 09-08706000- 7 O.D. X 60 Flat Top Chrome Top Stack - 2- 09-0837052- Exhaust Quiet Spool 7...
    Now: $2,836.79
    Was: $3,151.99
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $2,836.79
    Was: $3,151.99
    Subtotal:
  • Total: items /

Adding your products to cart