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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On Sale
BESTfit 7 X 108 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 Standard Spool Non-Unibilt
BESTFIT TRUCK PARTS
Now: $3,363.29Was: $3,736.99BESTfit Chrome 7 Inch Exhaust Kit With 55 Inch Spool Fits Peterbilt - Made Of High Quality Chrome-Plated Steel - Sleeper Type: Standard - Top Cut: Miter Top - Length: 108 Inches - Long Drop Elbows - 55 Inch Spools -...Now: $3,363.29Was: $3,736.99 -
On Sale
BESTfit 7-5 X 108 Inch Chrome Exhaust Kit W/ Miter Cut Top Stack OE Style Elbows Peterbilt 378, 379, 389 Glider (2005-Newer) 55 Inch Standard Spool Non-Unibilt
BESTFIT TRUCK PARTS
Now: $2,296.79Was: $2,551.99BESTfit Chrome 7 Inch Exhaust Kit With 55 Inch Spool Fits Peterbilt - Made Of High Quality Chrome-Plated Steel - Sleeper Type: Standard - Top Cut: Miter Top - Length: 108 Inches - Peterbilt Style Elbows - 55 Inch...Now: $2,296.79Was: $2,551.99 -
On Sale
BESTfit 7-5 X 108 Inch Chrome Exhaust Kit W/ Miter Cut Top Stack Long 90S & Chrome Tapered Y-Pipe 5 Inch Taper Lock Chrome Tee Peterbilt (1987-2003) 52 Inch Standard Spool Non-Unibilt
BESTFIT TRUCK PARTS
Now: $2,964.59Was: $3,293.99BESTfit Chrome 7 Inch Exhaust Kit With 52 Inch Spool Fits Peterbilt - Exhaust Kit - Kit Includes: - (2) Miter Top Stack - (2) Center Spools - (2) 7 Inch To 5 Inch Long Drop Elbows - (4) Exhaust Brackets - (8)...Now: $2,964.59Was: $3,293.99 -
On Sale
BESTfit 7-5 X 108 Inch Chrome Exhaust Kit W/ Flat Top Top Stack OE Style Elbows Peterbilt 378, 379 (1987-2003) 52 Inch Standard Spool Unibilt
BESTFIT TRUCK PARTS
Now: $2,519.09Was: $2,798.99BESTfit Chrome 7 Inch Exhaust Kit With 52 Inch Spool Fits Peterbilt - Made Of High Quality Chrome-Plated Steel - Sleeper Type: Unibilt - Top Cut: Flat Top - Length: 108 Inches - Peterbilt Style Elbows - 52 Inch...Now: $2,519.09Was: $2,798.99 -
On Sale
BESTfit 7-5 X 108 Inch Chrome Exhaust Kit W/ Flat Top Top Stack OE Style Elbows Peterbilt 378, 379, 389 Glider (2005-Newer) 55 Inch Standard Spool Unibilt
BESTFIT TRUCK PARTS
Now: $2,519.09Was: $2,798.99BESTfit Chrome 7 Inch Exhaust Kit With 55 Inch Spool Fits Peterbilt - Made Of High Quality Chrome-Plated Steel - Sleeper Type: Unibilt - Top Cut: Flat Top - Length: 108 Inches - Peterbilt Style Elbows - 55 Inch...Now: $2,519.09Was: $2,798.99 -
On Sale
BESTfit 7-5 X 108 Inch Chrome Exhaust Kit W/ Flat Top Top Stack Long Drop Elbows No Tee Peterbilt (1987-2003) 52 Inch Standard Spool Unibilt
BESTFIT TRUCK PARTS
Now: $2,758.49Was: $3,064.99Chrome 7 Inch Exhaust Kit With 52 Inch Spool & Long Drop 90 Degree Elbows - Made Of High Quality Chrome-Plated Steel - Length 108 Inch - 4 - 01-0800700- Wide Angled Clamp 7 Inch Peterbilt Chrome-Plated Stainless Steel - 2 -...Now: $2,758.49Was: $3,064.99 -
On Sale
BESTfit 7 X 108 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 Standard Spool Non-Unibilt
BESTFIT TRUCK PARTS
Now: $3,363.29Was: $3,736.99BESTfit Chrome 7 Inch Exhaust Kit With 52 Inch Spool Fits Peterbilt - Made Of High Quality Chrome-Plated Steel - Sleeper Type: Standard - Top Cut: Flat Top - Length: 108 Inches - Long Drop Elbows - 52 Inch Spools - Kit...Now: $3,363.29Was: $3,736.99 -
On Sale
BESTfit 7-5 X 108 Inch Chrome Exhaust Kit W/ Flat Top Top Stack Long Drop Elbows No Tee Peterbilt (1987-2003) 52 Inch Standard Spool Non-Unibilt
BESTFIT TRUCK PARTS
Now: $2,533.49Was: $2,814.99Chrome 7 Inch Exhaust Kit With 52 Inch Spool & Long Drop 90 Degree Elbows - Made Of High Quality Chrome-Plated Steel - Length 108 Inch - 2- 09-08705400- 7 O.D. X 54 Flat Top Chrome Top Stack - 2- 09-0827052- Exhaust Spool 7 Inch O.D...Now: $2,533.49Was: $2,814.99 -
On Sale
BESTfit 7-5 X 108 Inch Chrome Exhaust Kit W/ Flat Top Top Stack Long Drop Elbows No Tee Peterbilt (2005-Newer) 55 Inch Standard Spool Non-Unibilt
BESTFIT TRUCK PARTS
Now: $2,533.49Was: $2,814.99Chrome 7 Inch Exhaust Kit With 55 Inch Spool & Long Drop 90 Degree Elbows - Made Of High Quality Chrome-Plated Steel - Length 108 Inch - 2- 09-08705400- 7 O.D. X 54 Flat Top Chrome Top Stack - 2- 09-0827055- Exhaust Spool 7 Inch O.D...Now: $2,533.49Was: $2,814.99 -
On Sale
BESTfit 7-5 X 108 Inch Chrome Exhaust Kit W/ Flat Top Top Stack OE Style Elbows Peterbilt 378, 379 (1987-2003) 52 Inch Standard Spool Non-Unibilt
BESTFIT TRUCK PARTS
Now: $2,296.79Was: $2,551.99BESTfit Chrome 7-5 Inch Flat Top Exhaust Kit With OE Style Elbows & 52 Inch Spools For Peterbilt 378, 379 Non-Unibilt - Exhaust Kit - Kit Includes: - (2) Flat Top Stack - (2) Center Spools - (2) 7 Inch To 5 Inch Standard...Now: $2,296.79Was: $2,551.99 -
On Sale
BESTfit 7-5 X 108 Inch Chrome Exhaust Kit W/ Flat Top Top Stack Long 90S & Chrome Tapered Y-Pipe 5 Inch Taper Lock Chrome Tee Peterbilt (2005-Newer) 55 Inch Standard Spool Non-Unibilt
BESTFIT TRUCK PARTS
Now: $3,051.89Was: $3,390.99BESTfit Chrome 7 Inch Exhaust Kit With 55 Inch Spool Fits Peterbilt - Made Of High Quality Chrome-Plated Steel - Sleeper Type: Standard - Top Cut: Flat Top - Length: 108 Inches - Long Drop Elbows - 55 Inch Spools - Kit...Now: $3,051.89Was: $3,390.99 -
On Sale
BESTfit 7-5 X 108 Inch Chrome Exhaust Kit W/ Flat Top Top Stack OE Style Elbows Peterbilt 378, 379, 389 Glider (2005-Newer) 55 Inch Standard Spool Non-Unibilt
BESTFIT TRUCK PARTS
Now: $2,296.79Was: $2,551.99BESTfit Chrome 7 Inch Exhaust Kit With 55 Inch Spool Fits Peterbilt - Made Of High Quality Chrome-Plated Steel - Sleeper Type: Standard - Top Cut: Flat Top - Length: 108 Inches - Peterbilt Style Elbows - 55 Inch...Now: $2,296.79Was: $2,551.99