Peterbilt Exhaust Parts
Upgrade your big rig with premium Peterbilt exhaust systems from 4 State Trucks. Our extensive collection of Peterbilt semi truck exhaust components delivers the perfect blend of performance and style. From chrome stacks to high-flow mufflers, we offer everything to enhance your Peterbilt exhaust setup. Improve fuel efficiency, reduce backpressure, and turn heads with our top-quality Peterbilt exhaust solutions. Whether you're after a subtle upgrade or a complete custom overhaul, 4 State Trucks has the Peterbilt exhaust options to make your truck rumble with power and pride on the open road.
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On Sale
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
Now: $3,955.49Was: $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...Now: $3,955.49Was: $4,394.99 -
On Sale
BESTfit 8 X 108 Inch Chrome Exhaust Kit W/ West Coast Turnout Stacks, Long 90S & 8 Inch Y-Pipe
BESTFIT TRUCK PARTS
Now: $4,431.59Was: $4,923.99BESTfit 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: $4,431.59Was: $4,923.99 -
On Sale
BESTfit 8 X 108 Inch Chrome Exhaust Kit With Bull Hauler Stacks, Unibilt, Long 90s & Y-Pipe For Peterbilt 378, 379, 389
BESTFIT TRUCK PARTS
Now: $4,021.19Was: $4,467.99BESTfit 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: 108 Inches* Kit Includes:- Bull Hauler Turnout Stack (2)- 55 Inch Center Spools...Now: $4,021.19Was: $4,467.99 -
On Sale
BESTfit 8 X 108 Inch Chrome Exhaust Kit With Bull Hauler Stacks, Long 90s & Y-Pipe For Peterbilt 378, 379, 389
BESTFIT TRUCK PARTS
Now: $3,977.99Was: $4,419.99BESTfit 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: 108 Inches* Kit Includes:- Bull Hauler Turnout Stack (2)- 55 Inch Center Spools...Now: $3,977.99Was: $4,419.99 -
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 -
On Sale
BESTfit 8-5 X 108 Inch Chrome Exhaust Kit W/ Bull Hauler Stacks, Long 90S & Chrome Tapered Y-Pipe
BESTFIT TRUCK PARTS
Now: $4,236.29Was: $4,706.99BESTfit 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: $4,236.29Was: $4,706.99 -
On Sale
BESTfit 8-5 X 108 Inch Chrome Exhaust Kit With Miter Stacks, Long 90s & Chrome Tapered Y-Pipe For Peterbilt 378, 379
BESTFIT TRUCK PARTS
Now: $4,094.09Was: $4,548.99BESTfit 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: $4,094.09Was: $4,548.99 -
On Sale
BESTfit 8 X 108 Inch Chrome Exhaust Kit With Flat Top Stacks, Long 90s & 8 Inch Y-Pipe For Peterbilt 378, 379
BESTFIT TRUCK PARTS
Now: $4,361.39Was: $4,845.99BESTfit 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: $4,361.39Was: $4,845.99 -
On Sale
BESTfit 8-5 X 108 Inch Chrome Exhaust Kit With Flat Top Stacks, Long 90s & Chrome Tapered Y-Pipe For Peterbilt 378, 379
BESTFIT TRUCK PARTS
Now: $4,094.09Was: $4,548.99BESTfit 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: $4,094.09Was: $4,548.99 -
On Sale
BESTfit 7 X 96 Inch Chrome Exhaust Kit W/ Bull Hauler Stacks, Long 90S & 7 Inch Y-Pipe
BESTFIT TRUCK PARTS
Now: $3,973.49Was: $4,414.99BESTfit Chrome 7 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: $3,973.49Was: $4,414.99 -
On Sale
BESTfit 7 X 114 Inch Chrome Exhaust Kit W/ West Coast Turnout Stacks, Long 90S & 7 Inch Y-Pipe
BESTFIT TRUCK PARTS
Now: $4,008.59Was: $4,453.99BESTfit Chrome 7 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: $4,008.59Was: $4,453.99 -
On Sale
BESTfit 7 X 114 Inch Chrome Exhaust Kit W/ Bull Hauler Stacks, Long 90S & 7 Inch Y-Pipe
BESTFIT TRUCK PARTS
Now: $4,078.79Was: $4,531.99BESTfit Chrome 7 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: $4,078.79Was: $4,531.99