Semi-Truck Exhaust Parts
Discover an extensive selection of top-quality semi-truck exhaust parts at 4 State Trucks to elevate your rig's style and performance. Whether you're seeking exhaust pipes, clamps, reducers, couplers, or sleek exhaust tips, we've got you covered with durable products from leading manufacturers like Dynaflex and Lincoln Chrome. Our premium aftermarket exhaust components are designed to leave a lasting impression on the road, allowing you to customize your truck to perfection. Elevate your truck's style and performance with 4 State Trucks' premium aftermarket exhaust components.
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On Sale
BESTfit 8 X 108 Inch Chrome Exhaust Kit W/ Miter Stacks, Long 90S & 8 Inch Y-Pipe
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 X 108 Inch Chrome Exhaust Kit With Flat Top Stacks, Long 90s, Quiet Spool, Unibilt & 8 Inch Y-Pipe For Peterbilt 378, 379, 389
BESTFIT TRUCK PARTS
Now: $4,361.39Was: $4,845.99BESTfit 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: $4,361.39Was: $4,845.99 -
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