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 To 5 X 108 Inch Chrome Exhaust Kit With Flat Top Stacks, Long 90s, Quiet Spool, Unibilt, & Tapered Y-Pipe For Peterbilt 378, 379, 389
BESTFIT TRUCK PARTS
Now: $4,094.09Was: $4,548.99BESTfit 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: Flat Top* Length: 108 Inches* 55 Inch Quiet Spools* Kit Includes:- Flat Top Stack (2)- Center Spools...Now: $4,094.09Was: $4,548.99 -
On Sale
BESTfit 8 To 5 X 108 Inch Chrome Exhaust Kit With Flat Top Stacks, Long 90s & 8 Inch Y-Pipe For Peterbilt 378, 379, 389
BESTFIT TRUCK PARTS
Now: $4,140.89Was: $4,600.99BESTfit Chrome 8 Inch Exhaust Kit With 55 Inch Spool Fits Peterbilt 378 & 379 * Made Of High Quality Chrome-Plated Steel* Sleeper Type: Standard* Top Cut: Flat Top* Length: 108 Inches* Kit Includes:- Flat Top Stack (2)- 55 Inch Center Spools (2)- 8 Inch...Now: $4,140.89Was: $4,600.99 -
On Sale
BESTfit 8-5 X 108 Inch Chrome Exhaust Kit With Flat Top Stacks, Long 90s & 8 Inch Y-Pipe For Peterbilt 378, 379
BESTFIT TRUCK PARTS
Now: $4,140.89Was: $4,600.99BESTfit Chrome 8 Inch Exhaust Kit With 52 Inch Spool Fits Peterbilt 378 & 379 * Made Of High Quality Chrome-Plated Steel* Sleeper Type: Standard* Top Cut: Flat Top* Length: 108 Inches* Long Drop Elbows* 52 Inch Quiet Spools* Kit Includes:- Flat Top Stack...Now: $4,140.89Was: $4,600.99 -
On Sale
BESTfit 7-5 X 108 Inch Chrome Exhaust Kit W/ Bull Hauler 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 8 X 96 Inch Chrome Exhaust Kit W/ West Coast Turnout Stacks, Long 90S & 8 Inch Y-Pipe
BESTFIT TRUCK PARTS
Now: $4,327.19Was: $4,807.99BESTfit 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: $4,327.19Was: $4,807.99 -
On Sale
BESTfit 8 X 96 Inch Chrome Exhaust Kit With Bull Hauler Stacks, Unibilt, Long 90s & Y-Pipe For Peterbilt 378, 379, 389
BESTFIT TRUCK PARTS
Now: $3,988.79Was: $4,431.99BESTfit 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: 96 Inches* Kit Includes:- Bull Hauler Turnout Stack (2)- 55 Inch Center Spools...Now: $3,988.79Was: $4,431.99 -
On Sale
BESTfit 8 X 96 Inch Chrome Exhaust Kit W/ Bull Hauler Stacks, Long 90S & 8 Inch Y-Pipe
BESTFIT TRUCK PARTS
Now: $3,988.79Was: $4,431.99BESTfit 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...Now: $3,988.79Was: $4,431.99 -
On Sale
BESTfit 8-5 X 96 Inch Chrome Exhaust Kit W/ Bull Hauler Stacks, Long 90S & Chrome Tapered Y-Pipe
BESTFIT TRUCK PARTS
Now: $4,201.19Was: $4,667.99BESTfit 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: $4,201.19Was: $4,667.99 -
On Sale
BESTfit 8 X 96 Inch Chrome Exhaust Kit W/ Flat Top Stacks, Long 90S & 8 Inch Y-Pipe
BESTFIT TRUCK PARTS
Now: $4,257.89Was: $4,730.99BESTfit 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: $4,257.89Was: $4,730.99 -
On Sale
BESTfit 8-5 X 96 Inch Chrome Exhaust Kit W/ Flat Top Stacks, Long 90S & Chrome Tapered Y-Pipe
BESTFIT TRUCK PARTS
Now: $3,987.89Was: $4,430.99BESTfit 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: $3,987.89Was: $4,430.99 -
On Sale
BESTfit 8 X 114 Inch Chrome Exhaust Kit With West Coast Turnout Stacks, Unibilt, Long 90s & 8 Inch 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: West Coast Turnout* Length: 114 Inches* Kit Includes:- West Coast Turnout Stack (2)- 55 Inch Center Spools...Now: $4,021.19Was: $4,467.99 -
On Sale
BESTfit 8 X 114 Inch Chrome Exhaust Kit With West Coast Turnout Stacks, Long 90s & 8 Inch 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: West Coast Turnout* Length: 114 Inches* Kit Includes:- West Coast Turnout Stack (2)- 55 Inch Center Spools...Now: $3,977.99Was: $4,419.99