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 7-5 X 102 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: $3,018.59Was: $3,353.99Chrome 7 Inch Exhaust Kit With 52 Inch Spool, Long Drop Elbows & 5 Inch T Pipe - Exhaust Kit - Made Of Chrome-Plated Steel - Length 102 Inch - (2) Chrome Long Leg 7 Inch Elbow With Tapered Top Reduced To 5 Inch O.D. Bottom - (1)...Now: $3,018.59Was: $3,353.99 -
On Sale
BESTfit 7-5 X 102 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 Unibilt
BESTFIT TRUCK PARTS
Now: $3,068.09Was: $3,408.99Chrome 7 Inch Exhaust Kit With 55 Inch Spool, Long Drop Elbows & 5 Inch T Pipe - Exhaust Kit - Made Of Chrome-Plated Steel - Length 102 Inch - (4) Wide Angled Clamp 7 Inch Peterbilt Chrome-Plated Stainless Steel - (2) Peterbilt...Now: $3,068.09Was: $3,408.99 -
On Sale
BESTfit 7-5 X 102 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: $2,485.79Was: $2,761.99Chrome 7 Inch Exhaust Kit With 52 Inch Spool & 58 Degree Elbow - Made Of High Quality Chrome-Plated Steel - Length 102 Inch - 4 - 01-0800700- Wide Angled Clamp 7 Inch Peterbilt Chrome-Plated Stainless Steel - 2 - 01-0800003-...Now: $2,485.79Was: $2,761.99 -
On Sale
BESTfit 7-5 X 102 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: $2,500.19Was: $2,777.99Chrome 7 Inch Exhaust Kit With 52 Inch Spool & Long Drop 90 Degree Elbows - Made Of High Quality Chrome-Plated Steel - Length 102 Inch - 2- 09-08704800- 7 O.D. X 48 Flat Top Chrome Top Stack Lincoln - 2- 09-0827052- Exhaust Spool 7...Now: $2,500.19Was: $2,777.99 -
On Sale
BESTfit 7-5 X 102 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: $2,262.59Was: $2,513.99Chrome 7 Inch Exhaust Kit With 52 Inch Spool & 58 Degree Elbow - Made Of High Quality Chrome-Plated Steel - Length 102 Inch - 2- 01-081753056- 7-5 58-Dg Chrome Elbow Peterbilt With Tapered Top For O.D. Stacks 7 Inch Elbow Reduces To 5...Now: $2,262.59Was: $2,513.99 -
On Sale
BESTfit 7-5 X 102 Inch Chrome Exhaust Kit W/ Flat Top Top Stack Long 90S & Chrome Tapered Y-Pipe 7 Inch Taper Lock Chrome Tee Peterbilt (2005-Newer) 55 Inch Standard Spool Non-Unibilt
BESTFIT TRUCK PARTS
Now: $3,329.09Was: $3,698.99Chrome 7 Inch Exhaust Kit With 55 Inch Spool, Long Drop Elbows & 5 Inch T Pipe - Made Of High Quality Chrome-Plated Steel - Length 102 Inch - 2 - 01-08017000- Chrome Long Leg 7 Inch Elbow With Tapered Top 7 Inch O.D. Bottom - 1 -...Now: $3,329.09Was: $3,698.99 -
On Sale
BESTfit 7-5 X 102 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 Standard Spool Non-Unibilt
BESTFIT TRUCK PARTS
Now: $2,932.19Was: $3,257.99Chrome 7 Inch Exhaust Kit With 55 Inch Spool, Long Drop Elbows & 5 Inch T Pipe - Made Of High Quality Chrome-Plated Steel - Length 102 Inch - 2 - 01-08017500- Chrome Long Leg 7 Inch Elbow With Tapered Top Reduced To 5 Inch O.D...Now: $2,932.19Was: $3,257.99 -
On Sale
BESTfit 6-5 X 96 Inch Chrome Exhaust Kit W/ West Coast Turn 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: $2,067.29Was: $2,296.99Chrome 6 Inch Exhaust Kit With 55 Inch Spool & Long Drop 90 Degree Elbows - Made Of High Quality Chrome-Plated Steel - Length 96 Inch - 2- 09-08604408- 6 Inch O.D. X 44 Inch West Coast Chrome Turnout Top Stack - 2- 09-0826055-...Now: $2,067.29Was: $2,296.99 -
On Sale
BESTfit 7-5 X 102 Inch Chrome Exhaust Kit W/ Flat Top Top Stack Long 90S & Chrome Tapered Y-Pipe 7 Inch Taper Lock Chrome Tee Peterbilt (1987-2003) 52 Inch Standard Spool Non-Unibilt
BESTFIT TRUCK PARTS
Now: $3,329.09Was: $3,698.99Chrome 7 Inch Exhaust Kit With 52 Inch Spool, Long Drop Elbows & 5 Inch T Pipe - Made Of High Quality Chrome-Plated Steel - Length 102 Inch - 2 - 01-08017000- Chrome Long Leg 7 Inch Elbow With Tapered Top 7 Inch O.D. Bottom - 1 -...Now: $3,329.09Was: $3,698.99 -
On Sale
BESTfit 6-5 X 96 Inch Chrome Exhaust Kit W/ West Coast Turn Top Stack Long Drop Elbows No Tee Peterbilt 378, 379, 389 Glider (1987-2003) 52 Inch Standard Spool Only Unibilt
BESTFIT TRUCK PARTS
Now: $2,285.99Was: $2,539.99Chrome 6 Inch Exhaust Kit With 52 Inch Spool & Long Drop 90 Degree Elbows - Made Of High Quality Chrome-Plated Steel - Length 96 Inch - 4 - 01-0800600- Wide Angled Clamp 6 Inch Peterbilt Chrome-Plated Stainless Steel - 2 -...Now: $2,285.99Was: $2,539.99 -
On Sale
BESTfit 6-5 X 96 Inch Chrome Exhaust Kit W/ West Coast Turn Top Stack OE Style Elbows Peterbilt (2005-Newer) 55 Inch Standard Spool Only Unibilt
BESTFIT TRUCK PARTS
Now: $2,114.99Was: $2,349.99BESTfit Chrome 6 Inch Exhaust Kit With 55 Inch Spool Fits Peterbilt - Exhaust Kit - Made Of Chrome-Plated Steel - Length 96 Inches - (2) Exhaust Mount Grommets Pack Of 4 (Black) - (2) Stainless Cab Bracket Style Angled -...Now: $2,114.99Was: $2,349.99 -
On Sale
BESTfit 7-5 X 102 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: $2,262.59Was: $2,513.99Chrome 7 Inch Exhaust Kit With 55 Inch Spool & 58 Degree Elbow - Made Of High Quality Chrome-Plated Steel - Length 102 Inch - 2- 01-081753056- 7-5 58-Dg Chrome Elbow Peterbilt With Tapered Top For O.D. Stacks 7 Inch Elbow Reduces To 5...Now: $2,262.59Was: $2,513.99