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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BESTfit 8-5 X 114 Inch Chrome Exhaust Kit W/ West Coast Turnout Stacks, Long 90S & Chrome Tapered Y-Pipe
BESTFIT TRUCK PARTS
$3,904.99BESTfit Chrome 8 Inch Exhaust Kit With 52 Inch Spool Fits PeterbiltIntroducing 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 A...$3,904.99 -
BESTfit 8 To 5 X 114 Inch Chrome Exhaust Kit With Bull Hauler Stacks, Unibilt, Long 90s & Tapered Y-Pipe For Peterbilt 378, 379, 389
BESTFIT TRUCK PARTS
$4,123.99BESTfit Chrome 8 Inch Exhaust Kit With 55 Inch Spool Fits Peterbilt * Made Of High Quality Chrome-Plated Steel* Sleeper Type: Unibilt* Top Cut: Bull Hauler Turnout* Length: 114 Inches* Kit Includes:- Bull Hauler Turnout Stack (2)- 55 Inch Center Spools...$4,123.99 -
BESTfit 8 To 5 X 114 Inch Chrome Exhaust Kit With Bull Hauler Stacks, Long 90s & Tapered Y-Pipe For Peterbilt 378, 379, 389
BESTFIT TRUCK PARTS
$4,096.99BESTfit 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* Kit Includes:- Bull Hauler Turnout Stack (2)- 55 Inch Center Spools...$4,096.99 -
BESTfit 8 X 114 Inch Chrome Exhaust Kit With Miter Tops, Unibilt, Long 90s & 8 Inch Y-Pipe For Peterbilt 378, 379, 389
BESTFIT TRUCK PARTS
$4,394.99BESTfit 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* Kit Includes:- Miter Top Stack (2)- 55 Inch Center Spools (2)- 8 Inch To 5 Inch...$4,394.99 -
BESTfit 8 To 5 X 114 Inch Chrome Exhaust Kit With Miter Stacks, Long 90s, Unibilt & Tapered Y-Pipe For Peterbilt 378, 379, 389
BESTFIT TRUCK PARTS
$3,978.99BESTfit 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* Kit Includes:- Miter Top Stack (2)- 55 Inch Center Spools (2)- 8 Inch To 5 Inch...$3,978.99 -
BESTfit 8 X 114 Inch Chrome Exhaust Kit With Miter Tops, Long 90s & 8 Inch Y-Pipe For Peterbilt 378, 379, 389
BESTFIT TRUCK PARTS
$4,343.99BESTfit Chrome 8 Inch Exhaust Kit With 55 Inch Spool Fits Peterbilt * Made Of High Quality Chrome-Plated Steel* Sleeper Type: Standard* Top Cut: Miter Top* Length: 114 Inches* Kit Includes:- Miter Top Stack (2)- 55 Inch Center Spools (2)- 8 Inch To 5...$4,343.99 -
BESTfit 8 To 5 X 114 Inch Chrome Exhaust Kit With Miter Stacks, Long 90s & Y-Pipe For Peterbilt 378, 379, 389
BESTFIT TRUCK PARTS
$3,946.99BESTfit Chrome 8 Inch Exhaust Kit With 55 Inch Spool Fits Peterbilt * High Quality Exhaust Kit* Kit Includes:- (2) Miter Top Stack- (2) 55 Center Spools- (2) 8 Inch To 5 Inch Long Drop Elbows- (4) Exhaust Brackets- (8) Exhaust Bushings* Made Of...$3,946.99 -
BESTfit 8 X 114 Inch Chrome Exhaust Kit With Flat Top Stacks, Long 90s, Unibilt, & 8 Inch Y-Pipe For Peterbilt 378, 379, 389
BESTFIT TRUCK PARTS
$4,394.99BESTfit Chrome 8 Inch Exhaust Kit With 55 Inch Spool Fits Peterbilt * Made Of High Quality Chrome-Plated Steel* Sleeper Type: Unibilt* Top Cut: Flat Top* Length: 114 Inches* Kit Includes:- Flat Top Stack (2)- 55 Inch Center Spools (2)- 8 Inch To 5 Inch...$4,394.99 -
BESTfit 8 To 5 X 114 Inch Chrome Exhaust Kit With Flat Top Stacks, Long 90s, Unibilt & Tapered Y-Pipe For Peterbilt 378, 379, 389
BESTFIT TRUCK PARTS
$3,978.99BESTfit Chrome 8 Inch Exhaust Kit With 55 Inch Spool Fits Peterbilt * Made Of High Quality Chrome-Plated Steel* Sleeper Type: Unibilt* Top Cut: Flat Top* Kit Includes:- Flat Top Stack (2)- 55 Inch Center Spools (2)- 8 Inch To 5 Inch Long Drop Elbows (2)-...$3,978.99 -
BESTfit 8 X 114 Inch Chrome Exhaust Kit With Flat Top Stacks, Long 90s & 8 Inch Y-Pipe For Peterbilt 378, 379, 389
BESTFIT TRUCK PARTS
$4,343.99BESTfit Chrome 8 Inch Exhaust Kit With 55 Inch Spool Fits Peterbilt * Made Of High Quality Chrome-Plated Steel* Sleeper Type: Standard* Top Cut: Flat Top* Length: 114 Inches* Kit Includes:- Flat Top Stack (2)- 55 Inch Center Spools (2)- 8 Inch To 5 Inch...$4,343.99 -
BESTfit 8 To 5 X 114 Inch Chrome Exhaust Kit With Flat Top Stacks, Long 90s & Tapered Y-Pipe For Peterbilt 378, 379, 389
BESTFIT TRUCK PARTS
$3,946.99BESTfit Chrome 8 Inch Exhaust Kit With 55 Inch Spool Fits Peterbilt * Made Of High Quality Chrome-Plated Steel* Sleeper Type: Standard* Top Cut: Flat Top* Length: 114 Inches* Kit Includes:- Flat Top Stack (2)- 55 Inch Center Spools (2)- 8 Inch To 5 Inch...$3,946.99 -
BESTfit 8 X 108 Inch Chrome Exhaust Kit With West Coast Turnout Stacks, Long 90s, Unibilt & Y-Pipe For Peterbilt 378, 379, 389
BESTFIT TRUCK PARTS
$4,394.99BESTfit 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: 108 Inches* Kit Includes:- West Coast Turnout Stack (2)- 55 Inch Center Spools...$4,394.99