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 6-5 X 120 Inch Chrome Exhaust Kit W/ Bull Hauler Turn Top Stack Long 90S & Chrome Tapered Y-Pipe 6 Inch Taper Lock Chrome Tee Peterbilt 378, 379, 389 Glider (1987-2003) 52 Inch Standard Spool Only Non-Unibilt
BESTFIT TRUCK PARTS
Now: $3,221.99Was: $3,579.99Chrome 6 Inch Exhaust Kit With 52 Inch Spool, Long Drop Elbows & 5 Inch T Pipe - Made Of High Quality Chrome-Plated Steel - Length 120 Inch - 2- 09-0826052- Exhaust Spool 6 Inch O.D. X 52 Inch Chrome Tapered Top - 2- 09-086068043- 6...Now: $3,221.99Was: $3,579.99 -
On Sale
BESTfit 6-5 X 120 Inch Chrome Exhaust Kit W/ Bull Hauler Turn Top Stack Long 90S & Chrome Tapered Y-Pipe 6 Inch Taper Lock Chrome Tee Peterbilt 378, 379, 389 Glider (2005-Newer) 55 Inch Standard Spool Only Non-Unibilt
BESTFIT TRUCK PARTS
Now: $3,221.99Was: $3,579.99Chrome 6 Inch Exhaust Kit With 55 Inch Spool, Long Drop Elbows & 5 Inch T Pipe - Made Of High Quality Chrome-Plated Steel - Length 120 Inch - Sold Individually - Made In USA - Warranty On Exhaust Kit Against Defects In...Now: $3,221.99Was: $3,579.99 -
On Sale
BESTfit 6-5 X 120 Inch Chrome Exhaust Kit W/ Bull Hauler Turn Top Stack Long 90S & Chrome Tapered Y-Pipe 5 Inch Taper Lock Chrome Tee Peterbilt 378, 379, 389 Glider (1987-2003) 52 Inch Standard Spool Only Non-Unibilt
BESTFIT TRUCK PARTS
Now: $2,871.89Was: $3,190.99Chrome 6 Inch Exhaust Kit With 52 Inch Spool, Long Drop Elbows & 5 Inch T Pipe - Made Of High Quality Chrome-Plated Steel - Length 120 Inch - 2- 09-0826052- Exhaust Spool 6 Inch O.D. X 52 Inch Chrome Tapered Top - 2- 09-086068043-...Now: $2,871.89Was: $3,190.99 -
On Sale
BESTfit 6-5 X 120 Inch Chrome Exhaust Kit W/ Miter Cut Top Stack Long Drop Elbows No Tee Peterbilt 378, 379, 389 Glider (1987-2003) 52 Inch Standard Spool Only Non-Unibilt
BESTFIT TRUCK PARTS
Now: $2,303.09Was: $2,558.99Chrome 6 Inch Exhaust Kit With 52 Inch Spool & Long Drop 90 Degree Elbows - Made Of High Quality Chrome-Plated Steel - Length 120 Inch - 2-09-08606801- Miter Stack 6 Inch X 68 Inch Chrome - 2- 09-0826052- Exhaust Spool 6 Inch O.D. X...Now: $2,303.09Was: $2,558.99 -
On Sale
BESTfit 6-5 X 120 Inch Chrome Exhaust Kit W/ Bull Hauler Turn Top Stack OE Style Elbows Peterbilt (1987-2003) 52 Inch Standard Spool Only Non-Unibilt
BESTFIT TRUCK PARTS
Now: $2,269.79Was: $2,521.99Chrome 6 Inch Exhaust Kit With 52 Inch Spool & 58 Degree Elbow - Made Of High Quality Chrome-Plated Steel - Length 120 Inch - 2- 01-081653056- 6-5 58-Dg Chrome Elbow With Tapered Top For O.D. Stacks 6 Inch Elbow Reduces To 5 Inch O.D. On...Now: $2,269.79Was: $2,521.99 -
On Sale
BESTfit 6-5 X 120 Inch Chrome Exhaust Kit W/ Bull Hauler Turn Top Stack OE Style Elbows Peterbilt (2005-Newer) 55 Inch Standard Spool Only Non-Unibilt
BESTFIT TRUCK PARTS
Now: $2,269.79Was: $2,521.99Chrome 6 Inch Exhaust Kit With 55 Inch Spool & 58 Degree Elbow - Made Of High Quality Chrome-Plated Steel - Length 120 Inch - 2- 01-081653056- 6-5 58-Dg Chrome Elbow With Tapered Top For O.D. Stacks 6 Inch Elbow Reduces To 5 Inch O.D. On...Now: $2,269.79Was: $2,521.99 -
On Sale
BESTfit 6-5 X 120 Inch Chrome Exhaust Kit W/ Miter Cut Top Stack Long 90S & Chrome Tapered Y-Pipe 5 Inch Taper Lock Chrome Tee Peterbilt 378, 379, 389 Glider (1987-2003) 52 Inch Standard Spool Only Unibilt
BESTFIT TRUCK PARTS
Now: $2,879.99Was: $3,199.99Chrome 6 Inch Exhaust Kit With 52 Inch Spool, Long Drop Elbows & 5 Inch T Pipe - Made Of High Quality Chrome-Plated Steel - Length 120 Inch - 2- 09-0826052- Exhaust Spool 6 Inch O.D. X 52 Inch Chrome Tapered Top - 2- 09-08606801-...Now: $2,879.99Was: $3,199.99 -
On Sale
BESTfit 6-5 X 120 Inch Chrome Exhaust Kit W/ Miter Cut Top Stack Long 90S & Chrome Tapered Y-Pipe 5 Inch Taper Lock Chrome Tee Peterbilt 378, 379, 389 Glider (1987-2003) 52 Inch Standard Spool Only Non-Unibilt
BESTFIT TRUCK PARTS
Now: $2,740.49Was: $3,044.99Chrome 6 Inch Exhaust Kit With 52 Inch Spool, Long Drop Elbows & 5 Inch T Pipe - Made Of High Quality Chrome-Plated Steel - Length 120 Inch - 2- 09-0826052- Exhaust Spool 6 Inch O.D. X 52 Inch Chrome Tapered Top - 2- 09-08606801-...Now: $2,740.49Was: $3,044.99 -
On Sale
BESTfit 6-5 X 120 Inch Chrome Exhaust Kit W/ Miter Cut Top Stack OE Style Elbows Peterbilt (1987-2003) 52 Inch Standard Spool Only Unibilt
BESTFIT TRUCK PARTS
Now: $2,354.39Was: $2,615.99Chrome 6 Inch Exhaust Kit With 52 Inch Spool & 58 Degree Elbow - Made Of High Quality Chrome-Plated Steel - Length 120 Inch - 2- 01-081653056- 6-5 58-Dg Chrome Elbow With Tapered Top For O.D. Stacks 6 Inch Elbow Reduces To 5 Inch O.D. On...Now: $2,354.39Was: $2,615.99 -
On Sale
BESTfit 6-5 X 120 Inch Chrome Exhaust Kit W/ Miter Cut Top Stack Long Drop Elbows No Tee Peterbilt 378, 379, 389 Glider (2005-Newer) 55 Inch Standard Spool Only Non-Unibilt
BESTFIT TRUCK PARTS
Now: $2,303.09Was: $2,558.99Chrome 6 Inch Exhaust Kit With 55 Inch Spool & Long Drop 90 Degree Elbows - Made Of High Quality Chrome-Plated Steel - Length 120 Inch - 2- 09-08606801- Miter Stack 6 Inch X 68 Inch Chrome - 2- 09-0826055- Exhaust Spool 6 Inch O.D. X...Now: $2,303.09Was: $2,558.99 -
On Sale
BESTfit 6-5 X 120 Inch Chrome Exhaust Kit W/ Miter Cut Top Stack Long 90S & Chrome Tapered Y-Pipe 6 Inch Taper Lock Chrome Tee Peterbilt 378, 379, 389 Glider (2005-Newer) 55 Inch Standard Spool Only Non-Unibilt
BESTFIT TRUCK PARTS
Now: $3,086.09Was: $3,428.99Chrome 6 Inch Exhaust Kit With 55 Inch Spool, Long Drop Elbows & 5 Inch T Pipe - Made Of High Quality Chrome-Plated Steel - Length 120 Inch - 2- 09-0826055- Exhaust Spool 6 Inch O.D. X 55 Inch Chrome Tapered Top - 2- 09-08606801-...Now: $3,086.09Was: $3,428.99 -
On Sale
BESTfit 6-5 X 120 Inch Chrome Exhaust Kit W/ Flat Top Top Stack Long Drop Elbows No Tee Peterbilt 378, 379, 389 Glider (1987-2003) 52 Inch Standard Spool Only Non-Unibilt
BESTFIT TRUCK PARTS
Now: $2,303.09Was: $2,558.99Chrome 6 Inch Exhaust Kit With 52 Inch Spool & Long Drop 90 Degree Elbows - Made Of High Quality Chrome-Plated Steel - Length 120 Inch - 2- 09-08606800- Flat Top Stack 6 Inch X 68 Inch Chrome - 2- 09-0826052- Exhaust Spool 6 Inch O.D...Now: $2,303.09Was: $2,558.99