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 X 120 Inch Chrome Exhaust Kit W/ Miter Stacks, Long 90S & Chrome Tapered Y-Pipe
BESTFIT TRUCK PARTS
Now: $4,570.19Was: $5,077.99BESTfit Chrome 8 Inch Exhaust Kit With 52 Inch Spool, Long Drop Elbows & 5 Inch T PipeIntroducing BESTfit CHROME EXHAUST KITS! These Kits Are Installer-Friendly, Produced With All High Quality Components, Offer The Best Tee Pipe Options In The Industry,...Now: $4,570.19Was: $5,077.99 -
On Sale
BESTfit 8-5 X 120 Inch Chrome Exhaust Kit W/ West Coast Turnout Stacks, Long 90S & Chrome Tapered Y-Pipe
BESTFIT TRUCK PARTS
Now: $4,639.49Was: $5,154.99Chrome 8 Inch Exhaust Kit With 52 Inch Spool, Long Drop Elbows & 5 Inch T PipeIntroducing BESTfit CHROME EXHAUST KITS! These Kits Are Installer-Friendly, Produced With All High Quality Components, Offer The Best Tee Pipe Options In The Industry, And Have...Now: $4,639.49Was: $5,154.99 -
On Sale
BESTfit 8-5 X 120 Inch Chrome Exhaust Kit W/ Bull Hauler Stacks, Long 90S & Chrome Tapered Y-Pipe
BESTFIT TRUCK PARTS
Now: $4,709.69Was: $5,232.99Chrome 8 Inch Exhaust Kit With 52 Inch Spool, Long Drop Elbows & 5 Inch T PipeIntroducing BESTfit CHROME EXHAUST KITS! These Kits Are Installer-Friendly, Produced With All High Quality Components, Offer The Best Tee Pipe Options In The Industry, And Have...Now: $4,709.69Was: $5,232.99 -
On Sale
BESTfit 8-5 X 120 Inch Chrome Exhaust Kit W/ Miter Stacks, Long 90S & Chrome Tapered Y-Pipe
BESTFIT TRUCK PARTS
Now: $4,570.19Was: $5,077.99Chrome 8 Inch Exhaust Kit With 55 Inch Spool, Long Drop Elbows & 5 Inch T PipeIntroducing BESTfit CHROME EXHAUST KITS! These Kits Are Installer-Friendly, Produced With All High Quality Components, Offer The Best Tee Pipe Options In The Industry, And Have...Now: $4,570.19Was: $5,077.99 -
On Sale
BESTfit 8-5 X 120 Inch Chrome Exhaust Kit W/ Flat Top Stacks, Long 90S & Chrome Tapered Y-Pipe
BESTFIT TRUCK PARTS
Now: $4,570.19Was: $5,077.99Chrome 8 Inch Exhaust Kit With 52 Inch Spool, Long Drop Elbows & 5 Inch T PipeIntroducing BESTfit CHROME EXHAUST KITS! These Kits Are Installer-Friendly, Produced With All High Quality Components, Offer The Best Tee Pipe Options In The Industry, And Have...Now: $4,570.19Was: $5,077.99 -
On Sale
BESTfit 8 X 114 Inch Chrome Exhaust Kit With West Coast Turnout Stacks, Long 90s, Quiet Spool, Unibilt & 8 Inch Y-Pipe For Peterbilt 378, 379, 389
BESTFIT TRUCK PARTS
Now: $4,500.89Was: $5,000.99BESTfit Chrome 8 Inch Exhaust Kit With 55 Inch Spool Fits Peterbilt 378 & 379 * Made Of High Quality Chrome-Plated Steel* Sleeper Type: Unibilt* Top Cut: West Coast Turnouts* Length: 114 Inches* Kit Includes:- West Coast Turnout Stack (2)- 55 Inch Center...Now: $4,500.89Was: $5,000.99 -
On Sale
BESTfit 8 X 114 Chrome Exhaust Kit With Bull Hauler Stacks, Quiet Spool, Unibilt, Long 90s & Y-Pipe For Peterbilt 378, 379, 389
BESTFIT TRUCK PARTS
Now: $4,570.19Was: $5,077.99BESTfit Chrome 8 Inch Exhaust Kit With 55 Inch Spool Fits Peterbilt 378 & 379 * Made Of High Quality Chrome-Plated Steel* Sleeper Type: Unibilt* Top Cut: Bull Hauler Top* Length: 114 Inches* 55 Inch Quiet Spools* Kit Includes:- Bull Hauler Turnout Stack...Now: $4,570.19Was: $5,077.99 -
On Sale
BESTfit 8-5 X 114 Chrome Exhaust Kit W/ Bull Hauler Stacks, Long 90S & 8 Inch Y-Pipe
BESTFIT TRUCK PARTS
Now: $4,570.19Was: $5,077.99BESTfit Chrome 8 Inch Exhaust Kit With 52 Inch Spool Fits Peterbilt 378 & 379Introducing BESTfit CHROME EXHAUST KITS! These Kits Are Installer-Friendly, Produced With All High Quality Components, Offer The Best Tee Pipe Options In The Industry, And Have...Now: $4,570.19Was: $5,077.99 -
On Sale
BESTfit 8 X 108 Inch Chrome Exhaust Kit With Bull Hauler Stacks, Unibilt, Long 90s, Quiet Spool & 8 Inch Y-Pipe For Peterbilt 378, 379, 389
BESTFIT TRUCK PARTS
Now: $4,500.89Was: $5,000.99BESTfit Chrome 8 Inch Exhaust Kit With 55 Inch Spool Fits Peterbilt 378 & 379 * Made Of High Quality Chrome-Plated Steel* Sleeper Type: Unibilt* Top Cut: Bull Hauler Turnout* Length: 108 Inches* 55 Inch Quiet Spools* Kit Includes:- Bull Hauler Turnout...Now: $4,500.89Was: $5,000.99 -
On Sale
BESTfit 8 X 114 Inch Chrome Exhaust Kit W/ West Coast Turnout Stacks, Long 90S & 8 Inch Y-Pipe
BESTFIT TRUCK PARTS
Now: $4,500.89Was: $5,000.99BESTfit Chrome 8 Inch Exhaust Kit With 52 Inch Spool Fits Peterbilt 378 & 379Introducing BESTfit CHROME EXHAUST KITS! These Kits Are Installer-Friendly, Produced With All High Quality Components, Offer The Best Tee Pipe Options In The Industry, And Have...Now: $4,500.89Was: $5,000.99 -
On Sale
BESTfit 8 X 108 Inch Chrome Exhaust Kit W/ Bull Hauler Stacks, Long 90S & 8 Inch Y-Pipe
BESTFIT TRUCK PARTS
Now: $4,500.89Was: $5,000.99BESTfit Chrome 8 Inch Exhaust Kit With 52 Inch Spool Fits Peterbilt 378 & 379Introducing BESTfit CHROME EXHAUST KITS! These Kits Are Installer-Friendly, Produced With All High Quality Components, Offer The Best Tee Pipe Options In The Industry, And Have...Now: $4,500.89Was: $5,000.99 -
Vendetta 7 X 108 Inch Chrome Exhaust Kit W/ West Coast Turnout Stacks, Long Drop Elbows, 7-5 Inch Tee
VENDETTA
$4,510.99Chrome 7 Inch West Coast Turnout Exhaust Stack Kit With 90 Degree Elbows * High Quality West Coast Exhaust Kit* P90 7-7 X 108 * With Long Drop Elbows* 7-5 Inch Tee - Chrome Plated Stainless Steel V* Kit Contains - 2 One Piece West Coast Turn Out Stacks 7...$4,510.99