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 120 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 Quiet Spools Unibilt
BESTFIT TRUCK PARTS
Now: $4,308.29Was: $4,786.99Chrome 8 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- 01-0800800- Wide Angled Clamp 8 Inch Chrome-Plated Stainless Steel - 2- 01-0800003-...Now: $4,308.29Was: $4,786.99 -
On Sale
BESTfit 8-5 X 120 Inch Chrome Exhaust Kit W/ West Coast Turn Top Stack Long 90S & Chrome Tapered Y-Pipe 5 Inch Taper Lock Chrome Tee Peterbilt (1987-2003) 52 Inch Quiet Spools Non-Unibilt
BESTFIT TRUCK PARTS
Now: $3,874.49Was: $4,304.99Chrome 8 Inch Exhaust Kit With 55 Inch Spool, Long Drop Elbows & 5 Inch T Pipe - Made Of High Quality Chrome-Plated Steel - Length 120 Inch2 - 01-08018500- Chrome Long Leg 8 Inch Elbow With Tapered Top Reduced To 5 Inch O.D. Bottom1 -...Now: $3,874.49Was: $4,304.99 -
On Sale
BESTfit 8-5 X 120 Inch Chrome Exhaust Kit W/ West Coast Turn 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: $4,051.79Was: $4,501.99Chrome 8 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 - 01-08018500- Chrome Long Leg 8 Inch Elbow With Tapered Top Reduced To 5 Inch O.D...Now: $4,051.79Was: $4,501.99 -
On Sale
BESTfit 8-5 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 (2005-Newer) 55 Inch Quiet Spools Unibilt
BESTFIT TRUCK PARTS
Now: $4,450.49Was: $4,944.99Chrome 8 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- 01-0800800- Wide Angled Clamp 8 Inch Chrome-Plated Stainless Steel - 2- 01-0800003-...Now: $4,450.49Was: $4,944.99 -
On Sale
BESTfit 8-5 X 120 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: $3,403.79Was: $3,781.99Chrome 8 Inch Exhaust Kit With 52 Inch Spool & Long Drop 90 Degree Elbows - Made Of High Quality Chrome-Plated Steel - Length 120 Inch - 2- 09-08806800- 8 O.D. X 68 Chrome Flat Top Stack - 2- 09-0838052- Exhaust Quiet Spool 8 Inch O...Now: $3,403.79Was: $3,781.99 -
On Sale
BESTfit 8-5 X 120 Inch Chrome Exhaust Kit W/ Bull Hauler Turn Top Stack Long 90S & Chrome Tapered Y-Pipe 8 Inch Taper Lock Chrome Tee Peterbilt (1987-2003) 52 Inch Quiet Spools Unibilt
BESTFIT TRUCK PARTS
Now: $4,709.69Was: $5,232.99Chrome 8 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- 01-0800800- Wide Angled Clamp 8 Inch Chrome-Plated Stainless Steel - 2- 01-0800003-...Now: $4,709.69Was: $5,232.99 -
On Sale
BESTfit 8-5 X 120 Inch Chrome Exhaust Kit W/ Bull Hauler Turn Top Stack Long Drop Elbows No Tee Peterbilt (1987-2003) 52 Inch Quiet Spools Non-Unibilt
BESTFIT TRUCK PARTS
Now: $3,537.89Was: $3,930.99Chrome 8 Inch Exhaust Kit With 52 Inch Spool & Long Drop 90 Degree Elbows - Made Of High Quality Chrome-Plated Steel - Length 120 Inch - 2- 09-088068042- Stack Chrome 8 Inch O.D. X 68 Inch Bull Hauler Top - 2- 09-0838052- Exhaust...Now: $3,537.89Was: $3,930.99 -
On Sale
BESTfit 8-5 X 120 Inch Chrome Exhaust Kit W/ Bull Hauler Turn Top Stack Long Drop Elbows No Tee Peterbilt (1987-2003) 52 Inch Quiet Spools Unibilt
BESTFIT TRUCK PARTS
Now: $3,707.99Was: $4,119.99Chrome 8 Inch Exhaust Kit With 52 Inch Spool & Long Drop 90 Degree Elbows - Made Of High Quality Chrome-Plated Steel - Length 120 Inch - 2- 01-0800800- Wide Angled Clamp 8 Inch Chrome-Plated Stainless Steel - 2- 01-0800003- Exhaust...Now: $3,707.99Was: $4,119.99 -
On Sale
BESTfit 8-5 X 120 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 Non-Unibilt
BESTFIT TRUCK PARTS
Now: $3,808.79Was: $4,231.99Chrome 8 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 - 01-08018500- Chrome Long Leg 8 Inch Elbow With Tapered Top Reduced To 5 Inch O.D...Now: $3,808.79Was: $4,231.99 -
On Sale
BESTfit 8-5 X 120 Inch Chrome Exhaust Kit W/ Bull Hauler Turn Top Stack Long Drop Elbows No Tee Peterbilt (2005-Newer) 55 Inch Quiet Spools Non-Unibilt
BESTFIT TRUCK PARTS
Now: $3,737.69Was: $4,152.99Chrome 8 Inch Exhaust Kit With 55 Inch Spool & Long Drop 90 Degree Elbows - Made Of High Quality Chrome-Plated Steel - Length 120 Inch - 2- 09-088068042- Stack Chrome 8 Inch O.D. X 68 Inch Bull Hauler Top - 2- 09-0838055- Exhaust...Now: $3,737.69Was: $4,152.99 -
On Sale
BESTfit 8-5 X 120 Inch Chrome Exhaust Kit W/ Bull Hauler Turn Top Stack OE Style Elbows Peterbilt (1987-2003) 52 Inch Quiet Spools Unibilt
BESTFIT TRUCK PARTS
Now: $3,403.79Was: $3,781.99Chrome 8 Inch Exhaust Kit With 52 Inch Spool & 58 Degree Elbow - Made Of High Quality Chrome-Plated Steel - Length 120 Inch - 2- 01-0800800- Wide Angled Clamp 8 Inch Chrome-Plated Stainless Steel - 2- 01-0800003- Exhaust Mount...Now: $3,403.79Was: $3,781.99 -
On Sale
BESTfit 8-5 X 120 Inch Chrome Exhaust Kit W/ Bull Hauler Turn Top Stack Long Drop Elbows 5 Inch Taper Lock Chrome Tee Peterbilt (1987-2003) 52 Inch Quiet Spools Non-Unibilt
BESTFIT TRUCK PARTS
Now: $3,941.09Was: $4,378.99Chrome 8 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 - 01-08018500- Chrome Long Leg 8 Inch Elbow With Tapered Top Reduced To 5 Inch O.D...Now: $3,941.09Was: $4,378.99