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 8-5 X 114 Inch Chrome Exhaust Kit W/ Bull Hauler Turn Top Stack OE Style Elbows Peterbilt (1987-2003) 52 Inch Standard Spool Non-Unibilt
BESTFIT TRUCK PARTS
Now: $2,863.79Was: $3,181.99BESTfit Chrome 8 Inch Exhaust Kit With 52 Inch Spool Fits Peterbilt - Made Of High Quality Chrome-Plated Steel - Sleeper Type: Standard - Top Cut: Bull Hauler Turnout - Length: 114 Inches - Peterbilt Style Elbows - 52 Inch...Now: $2,863.79Was: $3,181.99 -
On Sale
BESTfit 8-5 X 114 Inch Chrome Exhaust Kit W/ Miter Cut Top Stack Long Drop Elbows No Tee Peterbilt (2005-Newer) 55 Inch Standard Spool Unibilt
BESTFIT TRUCK PARTS
Now: $3,275.09Was: $3,638.99Chrome 8 Inch Exhaust Kit With 55 Inch Spool & Long Drop 90 Degree Elbows - Exhaust Kit - Chrome-Plated Steel - Length 114 Inch - (2) Wide Angled Clamp 8 Inch Chrome-Plated Stainless Steel - (2) Exhaust Mount Grommets Pack Of 4...Now: $3,275.09Was: $3,638.99 -
On Sale
BESTfit 8-5 X 114 Inch Chrome Exhaust Kit W/ Bull Hauler Turn Top Stack Long Drop Elbows No Tee Peterbilt (2005-Newer) 55 Inch Standard Spool Unibilt
BESTFIT TRUCK PARTS
Now: $3,403.79Was: $3,781.99Chrome 8 Inch Exhaust Kit With 55 Inch Spool & Long Drop 90 Degree Elbows - Exhaust Kit - Chrome-Plated Steel - Length 114 Inch - (2) Wide Angled Clamp 8 Inch Chrome-Plated Stainless Steel - (2) Exhaust Mount Grommets Pack Of 4...Now: $3,403.79Was: $3,781.99 -
On Sale
BESTfit 8-5 X 114 Inch Chrome Exhaust Kit W/ West Coast Turn Top Stack OE Style Elbows Peterbilt (2005-Newer) 55 Inch Standard Spool Unibilt
BESTFIT TRUCK PARTS
Now: $3,026.69Was: $3,362.99BESTfit Chrome 8 Inch Exhaust Kit With 55 Inch Spool Fits Peterbilt - Made Of High Quality Chrome-Plated Steel - Sleeper Type: Unibilt - Top Cut: West Coast Turnout - Length: 114 Inches - Peterbilt Style Elbows - 55 Inch...Now: $3,026.69Was: $3,362.99 -
On Sale
BESTfit 8-5 X 114 Inch Chrome Exhaust Kit W/ Miter Cut Top Stack OE Style Elbows Peterbilt (1987-2003) 52 Inch Standard Spool Unibilt
BESTFIT TRUCK PARTS
Now: $2,958.29Was: $3,286.99BESTfit Chrome 8 Inch Exhaust Kit With 52 Inch Spool Fits Peterbilt - Made Of High Quality Chrome-Plated Steel - Sleeper Type: Unibilt - Top Cut: Miter Top - Length: 114 Inches - Peterbilt Style Elbows - 52 Inch...Now: $2,958.29Was: $3,286.99 -
On Sale
BESTfit 8-5 X 114 Inch Chrome Exhaust Kit W/ Miter Cut Top Stack OE Style Elbows Peterbilt (2005-Newer) 55 Inch Standard Spool Unibilt
BESTFIT TRUCK PARTS
Now: $2,958.29Was: $3,286.99BESTfit 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 - Peterbilt Style Elbows - 55 Inch...Now: $2,958.29Was: $3,286.99 -
On Sale
BESTfit 8-5 X 114 Inch Chrome Exhaust Kit W/ West Coast Turn Top Stack Long Drop Elbows No Tee Peterbilt (1987-2003) 52 Inch Standard Spool Non-Unibilt
BESTFIT TRUCK PARTS
Now: $3,100.49Was: $3,444.99Chrome 8 Inch Exhaust Kit With 52 Inch Spool & Long Drop 90 Degree Elbows - Exhaust Kit - Kit Includes: - (2) 8 O.D. X 60 West Coast Chrome Top Stack - (2) Exhaust Spool 8 Inch O.D. X 52 Inch Chrome Tapered Top - (2) Chrome...Now: $3,100.49Was: $3,444.99 -
On Sale
BESTfit 8-5 X 114 Inch Chrome Exhaust Kit W/ Bull Hauler Turn Top Stack OE Style Elbows Peterbilt (2005-Newer) 55 Inch Standard Spool Non-Unibilt
BESTFIT TRUCK PARTS
Now: $2,863.79Was: $3,181.99BESTfit Chrome 8 Inch Exhaust Kit With 55 Inch Spool Fits Peterbilt - Made Of High Quality Chrome-Plated Steel - Sleeper Type: Standard - Top Cut: Bull Hauler Turnout - Length: 114 Inches - Peterbilt Style Elbows - 55 Inch...Now: $2,863.79Was: $3,181.99 -
On Sale
BESTfit 8-5 X 114 Inch Chrome Exhaust Kit W/ Miter Cut Top Stack Long Drop Elbows No Tee Peterbilt (1987-2003) 52 Inch Standard Spool Non-Unibilt
BESTFIT TRUCK PARTS
Now: $3,032.99Was: $3,369.99Chrome 8 Inch Exhaust Kit With 52 Inch Spool & Long Drop 90 Degree Elbows - Exhaust Kit - Kit Includes: - (2) 8 O.D. X 60 Miter Chrome Top Stack - (2) Exhaust Spool 8 Inch O.D. X 52 Inch Chrome Tapered Top - (2) Chrome Long...Now: $3,032.99Was: $3,369.99 -
On Sale
BESTfit 8 X 114 Inch Chrome Exhaust Kit W/ Miter Cut Top Stack 8 Inch 90 Degree Elbow & Y-Pipe 8 Inch Taper Lock Chrome Tee Peterbilt (1987-2003) 52 Inch Standard Spool Non-Unibilt
BESTFIT TRUCK PARTS
Now: $3,909.59Was: $4,343.99BESTfit Chrome 8 Inch Exhaust Kit With 52 Inch Spool Fits Peterbilt - Exhaust Kit - Kit Includes: - (2) Miter Top Stack - (2) 52 Inch Center Spools - (2) 8 Inch To 5 Inch Long Drop Elbows - (4) Exhaust Brackets...Now: $3,909.59Was: $4,343.99 -
On Sale
BESTfit 8-5 X 114 Inch Chrome Exhaust Kit W/ West Coast Turn Top Stack OE Style Elbows Peterbilt (1987-2003) 52 Inch Standard Spool Non-Unibilt
BESTFIT TRUCK PARTS
Now: $2,796.29Was: $3,106.99BESTfit Chrome 8 Inch Exhaust Kit With 52 Inch Spool Fits Peterbilt - Made Of High Quality Chrome-Plated Steel - Sleeper Type: Standard - Top Cut: West Coast Turnout - Length: 114 Inches - Peterbilt Style Elbows - 52 Inch...Now: $2,796.29Was: $3,106.99 -
On Sale
BESTfit 8 X 114 Inch Chrome Exhaust Kit W/ Miter Cut Top Stack 8 Inch 90 Degree Elbow & Y-Pipe 8 Inch Taper Lock Chrome Tee Peterbilt (1987-2003) 52 Inch Standard Spool Unibilt
BESTFIT TRUCK PARTS
Now: $3,955.49Was: $4,394.99BESTfit Chrome 8 Inch Exhaust Kit With 52 Inch Spool Fits Peterbilt - Exhaust Kit - Kit Includes: - (2) Miter Top Stack - (2) 52 Inch Center Spools - (2) 8 Inch To 5 Inch Long Drop Elbows - (2) Cab Brackets -...Now: $3,955.49Was: $4,394.99