Exhaust Kits

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Titan Series By Grand Rock Chrome 8 Inch Exhaust Kit With OE Style Elbows For Peterbilt 378, 379, 389 Glider

GRAND ROCK

MSRP:

Now: $3,623.05 - $5,002.19

Was:

Choose Option(s) to see description.Fitment* Fits Peterbilt 378 1988 thru 2007* Fits Peterbilt 379 1987 thru 2007* Fits Peterbilt 389 Glider 2008 thru 20238 Inch Chrome Retro Stack Base Kit With 8-5...

01-08K800G

SKU:

01-08K800G

Product Type:

Exhaust

Material Options:

Steel

Finish Options:

Chrome-Plated

Diameter Options:

8 Inch

Truck Class:

Heavy Duty

Make:

Peterbilt

Style Options:

West Coast Turn

Position:

Kit Full

Style Options:

Flat Top

Style Options:

Miter Cut

Location:

Made In USA

Ready To Ship:

Yes

Style Options:

2 Piece Stacks

Cab Style:

Unibilt W/2 Cab Brackets

Material Options:

Chrome-Plated Steel

Type Options:

OE Style Elbows

MSRP:

Now: $3,623.05 - $5,002.19

Was:

Qty in Cart: 0

Price:

MSRP:

Now: $3,623.05 - $5,002.19

Was:

Subtotal:
Titan Series By Grand Rock Chrome 8 Inch Exhaust Kit With Long Drop Elbows For Peterbilt 378, 379, 389 Glider

GRAND ROCK

MSRP:

Now: $3,623.05 - $5,002.19

Was:

Choose Option(s) to see description.Fitment* Fits Peterbilt 378 1988 thru 2007* Fits Peterbilt 379 1987 thru 2007* Fits Peterbilt 389 Glider 2008 thru 20238 Inch Chrome Retro Stack Base Kit With 8-5...

01-08K810G

SKU:

01-08K810G

Product Type:

Exhaust

Diameter Options:

8 Inch

Truck Class:

Heavy Duty

Make:

Peterbilt

Location:

Made In USA

Material Options:

Chrome-Plated Steel

Type Options:

Long Drop Elbows

Cab Style:

Unibilt W/2 Cab Brackets

Style Options:

2 Piece Stacks

MSRP:

Now: $3,623.05 - $5,002.19

Was:

Qty in Cart: 0

Price:

MSRP:

Now: $3,623.05 - $5,002.19

Was:

Subtotal:
Titan Series By Grand Rock Chrome 6 Inch Exhaust Kit With OE Style Elbows For Peterbilt 378, 379, 389 Glider

GRAND ROCK

MSRP:

Now: $2,817.89 - $3,783.11

Was:

Choose Option(s) to see description.Fitment* Fits Peterbilt 378 1988 thru 2007* Fits Peterbilt 379 1987 thru 2007* Fits Peterbilt 389 Glider 2008 thru 20236 Inch Chrome Retro Stack Base Kit With 6-5...

01-08K600G

SKU:

01-08K600G

Product Type:

Exhaust

Truck Class:

Heavy Duty

Make:

Peterbilt

Location:

Made In USA

Diameter Options:

8 Inch

Ready To Ship:

Yes

Material Options:

Chrome-Plated Steel

Type Options:

OE Style Elbows

Cab Style:

Unibilt W/2 Cab Brackets

Style Options:

2 Piece Stacks

MSRP:

Now: $2,817.89 - $3,783.11

Was:

Qty in Cart: 0

Price:

MSRP:

Now: $2,817.89 - $3,783.11

Was:

Subtotal:
Titan Series By Grand Rock Chrome 7 Inch Exhaust Kit With Long Drop Elbows For Peterbilt 378, 379, 389 Glider

GRAND ROCK

MSRP:

Now: $3,151.24 - $4,462.20

Was:

Choose Option(s) to see description.Fitment* Fits Peterbilt 378 1988 thru 2007* Fits Peterbilt 379 1987 thru 2007* Fits Peterbilt 389 Glider 2008 thru 20237 Inch Chrome Retro Long Drop Stack Base Kit...

01-08K710G

SKU:

01-08K710G

Product Type:

Exhaust

Make:

Peterbilt

Truck Class:

Heavy Duty

Location:

Made In USA

Diameter Options:

8 Inch

Material Options:

Chrome-Plated Steel

Type Options:

Long Drop Elbows

Cab Style:

Unibilt W/2 Cab Brackets

Style Options:

2 Piece Stacks

MSRP:

Now: $3,151.24 - $4,462.20

Was:

Qty in Cart: 0

Price:

MSRP:

Now: $3,151.24 - $4,462.20

Was:

Subtotal:
Titan Series By Grand Rock Chrome 6 Inch Exhaust Kit With Long Drop Elbows For Peterbilt 378, 379, 389 Glider

GRAND ROCK

MSRP:

Now: $2,817.89 - $3,783.11

Was:

Choose Option(s) to see description.Fitment* Fits Peterbilt 378 1988 thru 2007* Fits Peterbilt 379 1987 thru 2007* Fits Peterbilt 389 Glider 2008 thru 20236 Inch Chrome Retro Long Drop Style Stack...

01-08K610G

SKU:

01-08K610G

Product Type:

Exhaust

Truck Class:

Heavy Duty

Make:

Peterbilt

Diameter Options:

8 Inch

Location:

Made In USA

Material Options:

Chrome-Plated Steel

Type Options:

Long Drop Elbows

Cab Style:

Unibilt W/2 Cab Brackets

Style Options:

2 Piece Stacks

MSRP:

Now: $2,817.89 - $3,783.11

Was:

Qty in Cart: 0

Price:

MSRP:

Now: $2,817.89 - $3,783.11

Was:

Subtotal:
Titan Series By Grand Rock Chrome 7 Inch Exhaust Kit With OE Style Elbows For Peterbilt 378, 379, 389 Glider

GRAND ROCK

MSRP:

Now: $3,151.24 - $4,462.20

Was:

Choose Option(s) to see description.Fitment* Fits Peterbilt 378 1988 thru 2007* Fits Peterbilt 379 1987 thru 2007* Fits Peterbilt 389 Glider 2008 thru 20237 Inch Chrome Retro Stack Base Kit With 7-5...

01-08K700G

SKU:

01-08K700G

Product Type:

Exhaust

Truck Class:

Heavy Duty

Make:

Peterbilt

Diameter Options:

8 Inch

Location:

Made In USA

Ready To Ship:

Yes

Material Options:

Chrome-Plated Steel

Type Options:

OE Style Elbows

Cab Style:

Unibilt W/2 Cab Brackets

Style Options:

2 Piece Stacks

MSRP:

Now: $3,151.24 - $4,462.20

Was:

Qty in Cart: 0

Price:

MSRP:

Now: $3,151.24 - $4,462.20

Was:

Subtotal:
Dummy Exhaust Kit With Cab Mount Exhaust For Kenworth T680 2022-Current W/ Next Gen Models

BESTFIT TRUCK PARTS

MSRP:

Now: $2,139.99 - $2,466.99

Was:

Give your 2022 and newer Kenworth T680 Next Gen that classic big rig look with this dummy exhaust kit featuring a cab mount setup. Designed to replicate the appearance of a traditional dual vertical...

PPR_299684

SKU:

PPR_299684

Product Type:

Exhaust

Make:

Kenworth

Ready To Ship:

Yes

Material Options:

Chrome-Plated Steel

Style Options:

1 Piece Stacks

Diameter Options:

6 Inch

MSRP:

Now: $2,139.99 - $2,466.99

Was:

Qty in Cart: 0

Price:

MSRP:

Now: $2,139.99 - $2,466.99

Was:

Subtotal:
FREE SHIPPING

BESTfit Chrome 8 Inch Exhaust Kit For Kenworth W900B/W900L AeroCab With 45 Inch Steps

BESTFIT TRUCK PARTS

MSRP:

Now: $3,368.99 - $3,793.99

Was:

Do you need to replace your exhaust? 4 State Trucks have got you covered. An exhaust that is properly functioning allows gases from your engine to be let out more efficiently which improves your...

02-08K802

SKU:

02-08K802

Diameter Options:

8 Inch

Height Options:

108 Inch

Height Options:

114 Inch

Height Options:

102 Inch

Product Type:

Exhaust

Style Options:

Bull Hauler Turn

Finish Options:

Chrome-Plated

Material Options:

Steel

Style Options:

West Coast Turn

Height Options:

96 Inch

Style Options:

Miter Cut

Style Options:

Flat Top

Make:

Kenworth

MSRP:

Now: $3,368.99 - $3,793.99

Was:

Qty in Cart: 0

Price:

MSRP:

Now: $3,368.99 - $3,793.99

Was:

Subtotal:
FREE SHIPPING

BESTfit Chrome 8 Inch Exhaust Kit For Kenworth W900B/W900L AeroCab 1994-2007 W/40 Inch Steps

BESTFIT TRUCK PARTS

MSRP:

Now: $3,400.99 - $3,793.99

Was:

Are you looking for a new exhaust? Stop looking, 4 State Trucks have got you covered. With BestFit, you get the option that is affordable, easy to install, and has that premium performance that your...

02-08K800

SKU:

02-08K800

Finish Options:

Chrome-Plated

Product Type:

Exhaust

Height Options:

96 Inch

Height Options:

102 Inch

Diameter Options:

8 Inch

Style Options:

West Coast Turn

Style Options:

Flat Top

Material Options:

Steel

Height Options:

114 Inch

Style Options:

Bull Hauler Turn

Style Options:

Miter Cut

Height Options:

108 Inch

Make:

Kenworth

Ready To Ship:

Yes

MSRP:

Now: $3,400.99 - $3,793.99

Was:

Qty in Cart: 0

Price:

MSRP:

Now: $3,400.99 - $3,793.99

Was:

Subtotal:
FREE SHIPPING

BESTfit Chrome 8 Inch Exhaust Kit For Kenworth T600, T800 & W900L/B Non-AeroCab

BESTFIT TRUCK PARTS

MSRP:

Now: $3,219.99 - $3,738.99

Was:

Are you looking to replace your exhaust? Stop searching, 4 State Trucks has you covered. An exhaust that is functioning properly allows gases from your engine to be let out more efficiently which...

02-08K801

SKU:

02-08K801

Diameter Options:

8 Inch

Finish Options:

Chrome-Plated

Height Options:

114 Inch

Height Options:

96 Inch

Height Options:

102 Inch

Style Options:

Bull Hauler Turn

Style Options:

Flat Top

Height Options:

108 Inch

Material Options:

Steel

Style Options:

West Coast Turn

Product Type:

Exhaust

Style Options:

Flatline

Style Options:

Miter Cut

Make:

Kenworth

MSRP:

Now: $3,219.99 - $3,738.99

Was:

Qty in Cart: 0

Price:

MSRP:

Now: $3,219.99 - $3,738.99

Was:

Subtotal:
FREE SHIPPING

BESTfit Chrome 7 Inch Exhaust Kit For Kenworth T600/T800/W900 Non-AeroCab

BESTFIT TRUCK PARTS

MSRP:

Now: $2,667.99 - $2,987.99

Was:

Choose Option(s) to see description.Fitment* Fits Kenworth T600 1986 thru 1993* Fits Kenworth T600B 1990 thru 2007* Fits Kenworth T800 1987 thru 2007* Fits Kenworth W900B 1983 thru 2007* Fits...

02-08K701

SKU:

02-08K701

Finish Options:

Chrome-Plated

Diameter Options:

7 Inch

Height Options:

96 Inch

Height Options:

114 Inch

Style Options:

Flat Top

Height Options:

102 Inch

Style Options:

Bull Hauler Turn

Height Options:

108 Inch

Material Options:

Steel

Product Type:

Exhaust

Style Options:

Miter Cut

Style Options:

West Coast Turn

Make:

Kenworth

MSRP:

Now: $2,667.99 - $2,987.99

Was:

Qty in Cart: 0

Price:

MSRP:

Now: $2,667.99 - $2,987.99

Was:

Subtotal:
FREE SHIPPING

BESTfit Chrome 7 Inch Exhaust Kit For Kenworth W900B/W900L AeroCab With 45 Inch Steps

BESTFIT TRUCK PARTS

MSRP:

Now: $3,032.99 - $3,381.99

Was:

Are you looking for a new exhaust that does not require you to get more materials? Stop looking, 4 State Trucks have you covered. With BestFit, it is affordable, easy to install, and has a premium...

02-08K702

SKU:

02-08K702

Diameter Options:

7 Inch

Finish Options:

Chrome-Plated

Height Options:

114 Inch

Height Options:

96 Inch

Style Options:

Bull Hauler Turn

Style Options:

Flat Top

Height Options:

102 Inch

Height Options:

108 Inch

Material Options:

Steel

Product Type:

Exhaust

Style Options:

Miter Cut

Style Options:

West Coast Turn

Make:

Kenworth

Ready To Ship:

Yes

MSRP:

Now: $3,032.99 - $3,381.99

Was:

Qty in Cart: 0

Price:

MSRP:

Now: $3,032.99 - $3,381.99

Was:

Subtotal:
FREE SHIPPING

BESTfit Chrome 6 Inch Exhaust Kit For Kenworth W900B/W900L AeroCab With 45 Inch Steps

BESTFIT TRUCK PARTS

MSRP:

Now: $2,007.99 - $2,809.99

Was:

Are you looking for a new exhaust? Stop looking, 4 State Trucks have you covered. An exhaust that is functioning properly allows gases from your engine to be let out more efficiently which improves...

02-08K602

SKU:

02-08K602

Finish Options:

Chrome-Plated

Height Options:

102 Inch

Product Type:

Exhaust

Height Options:

96 Inch

Style Options:

West Coast Turn

Style Options:

Flat Top

Height Options:

108 Inch

Style Options:

Bull Hauler Turn

Material Options:

Steel

Diameter Options:

6 Inch

Style Options:

Miter Cut

Height Options:

114 Inch

Make:

Kenworth

Location:

Made In USA

Position:

Kit Full

Ready To Ship:

Yes

MSRP:

Now: $2,007.99 - $2,809.99

Was:

Qty in Cart: 0

Price:

MSRP:

Now: $2,007.99 - $2,809.99

Was:

Subtotal:
FREE SHIPPING

BESTfit Chrome 7 Inch Exhaust Kit For Kenworth W900B/W900L AeroCab 1994-2007 W/40 Inch Steps

BESTFIT TRUCK PARTS

MSRP:

Now: $3,041.99 - $3,381.99

Was:

Are you looking for a new exhaust kit that does not require you to get more materials? Stop looking, 4 State Trucks have you covered. A properly functioning exhaust allows gases from your engine to...

02-08K700

SKU:

02-08K700

Diameter Options:

7 Inch

Finish Options:

Chrome-Plated

Height Options:

114 Inch

Height Options:

96 Inch

Style Options:

Bull Hauler Turn

Style Options:

Flat Top

Height Options:

108 Inch

Height Options:

102 Inch

Material Options:

Steel

Product Type:

Exhaust

Style Options:

West Coast Turn

Style Options:

Miter Cut

Make:

Kenworth

Ready To Ship:

Yes

MSRP:

Now: $3,041.99 - $3,381.99

Was:

Qty in Cart: 0

Price:

MSRP:

Now: $3,041.99 - $3,381.99

Was:

Subtotal:
FREE SHIPPING

BESTfit Chrome 6 Inch Exhaust Kit For Kenworth W900B/W900L AeroCab 1994-2007 W/40 Inch Steps

BESTFIT TRUCK PARTS

MSRP:

Now: $1,988.99 - $2,809.99

Was:

Are you looking for an exhaust that has what you need? Stop searching, 4 State Trucks have you covered. An exhaust that is properly functioning allows gases from your engine to be let out more...

02-08K600

SKU:

02-08K600

Height Options:

102 Inch

Material Options:

Steel

Finish Options:

Chrome-Plated

Diameter Options:

6 Inch

Style Options:

Miter Cut

Height Options:

96 Inch

Height Options:

108 Inch

Style Options:

Flat Top

Height Options:

114 Inch

Product Type:

Exhaust

Style Options:

Bull Hauler Turn

Style Options:

west Coast Turn

Make:

Kenworth

Style Options:

Standard

Ready To Ship:

Yes

MSRP:

Now: $1,988.99 - $2,809.99

Was:

Qty in Cart: 0

Price:

MSRP:

Now: $1,988.99 - $2,809.99

Was:

Subtotal:
FREE SHIPPING

BESTfit Chrome 6 Inch Exhaust Kit W/ Stack Options For Kenworth T600/T800/W900 Non-AeroCab

BESTFIT TRUCK PARTS

MSRP:

Now: $2,037.99 - $2,432.99

Was:

Are you looking for a new exhaust kit that includes what you need? Stop looking, 4 State Trucks have got you covered. An exhaust that is functioning properly allows gases from your engine to be let...

02-08K601

SKU:

02-08K601

Height Options:

102 Inch

Material Options:

Steel

Finish Options:

Chrome-Plated

Diameter Options:

6 Inch

Style Options:

Miter Cut

Height Options:

108 Inch

Height Options:

96 Inch

Height Options:

114 Inch

Style Options:

Flat Top

Product Type:

Exhaust

Style Options:

Bull Hauler Turn

Style Options:

West Coast Turn

Make:

Kenworth

MSRP:

Now: $2,037.99 - $2,432.99

Was:

Qty in Cart: 0

Price:

MSRP:

Now: $2,037.99 - $2,432.99

Was:

Subtotal:
FREE SHIPPING

BESTfit Chrome “100 Proof” 6 Inch Exhaust Kit For Kenworth W900L 2019-Current

BESTFIT TRUCK PARTS

MSRP:

Now: $2,259.99 - $2,546.99

Was:

Choose Option(s) to see description.Fitment* Fits Kenworth W900L 2019 thru Current** Fits Models With Factory Side ExhaustBESTfit Chrome “100 Proof” 6 X 102 Inch Flat Top Exhaust Kit For Kenworth...

02-08K619

SKU:

02-08K619

Truck Class:

Heavy Duty

Diameter Options:

6 Inch

Finish Options:

Chrome-Plated

Product Type:

Exhaust

Make:

Kenworth

Make:

Peterbilt

Material Options:

Steel

Position:

Kit Full

Style Options:

Miter Cut

Style Options:

West Coast Turn

Cab Style:

Non AeroCab

Style Options:

Flat Top

Location:

Made In USA

Height Options:

96 Inch

Height Options:

114 Inch

Style Options:

Bull Hauler Turn

Height Options:

102 Inch

Height Options:

108 Inch

MSRP:

Now: $2,259.99 - $2,546.99

Was:

Qty in Cart: 0

Price:

MSRP:

Now: $2,259.99 - $2,546.99

Was:

Subtotal:
FREE SHIPPING

BESTfit 7-5 Inch Chrome Exhaust Kits For Peterbilt 589 W/ Cab Mount Exhaust

BESTFIT TRUCK PARTS

MSRP:

Now: $4,029.99 - $4,590.99

Was:

Introducing 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 Fantastic Mirror...

PPR_299089

SKU:

PPR_299089

Truck Class:

Heavy Duty

Product Type:

Exhaust

Make:

Peterbilt

Ready To Ship:

Yes

MSRP:

Now: $4,029.99 - $4,590.99

Was:

Qty in Cart: 0

Price:

MSRP:

Now: $4,029.99 - $4,590.99

Was:

Subtotal:
FREE SHIPPING

Chrome 7 Inch Exhaust Kit W/ Long Drop Elbows By BESTfit For Peterbilt 389 2018-2024 W/ Cummins X15

BESTFIT TRUCK PARTS

MSRP:

Now: $3,961.99 - $4,991.99

Was:

Introducing BESTfit Chrome 7 Inch Diameter 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...

PPR_299076

SKU:

PPR_299076

Product Type:

Exhaust

Height Options:

108 Inch

Material Options:

Steel

Height Options:

102 Inch

Style Options:

Miter Cut

Height Options:

96 Inch

Style Options:

Flat Top

Finish Options:

Chrome-Plated

Diameter Options:

7 Inch

Height Options:

120 Inch

Height Options:

114 Inch

Style Options:

Bull Hauler Turn

Position:

Kit Full

Style Options:

West Coast Turn

Make:

Peterbilt

MSRP:

Now: $3,961.99 - $4,991.99

Was:

Qty in Cart: 0

Price:

MSRP:

Now: $3,961.99 - $4,991.99

Was:

Subtotal:
Lincoln Chrome 7 Inch Exhaust Kit W/Long Drop Elbows For Peterbilt 589 Sleeper Cab W/Cab Mount Exhaust

LINCOLN CHROME

MSRP:

Now: $4,279.99 - $4,877.99

Was:

Choose Option(s) to see description.Fitment* Fits Peterbilt 589 2024-Current** Fits Cabs With Sleeper And Cab Mounted ExhaustLincoln Chrome 7 X 102 Exhaust Kit With Flat Top Stacks W/Long Drop Elbows...

PPR_299004

SKU:

PPR_299004

Truck Class:

Heavy Duty

Location:

Made In USA

Make:

Peterbilt

Material Options:

Steel

Finish Options:

Chrome-Plated

Product Type:

Exhaust

MSRP:

Now: $4,279.99 - $4,877.99

Was:

Qty in Cart: 0

Price:

MSRP:

Now: $4,279.99 - $4,877.99

Was:

Subtotal:

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Frequently Asked Questions About Exhaust Kits

What is included in a semi-truck exhaust kit?

Most exhaust kits include the major components needed to complete a stack setup, such as exhaust pipes, elbows, mounting brackets, and clamps. Depending on the kit, you may also get heat shields or mounting hardware. Always check the product listing to confirm exactly what pieces are included, since kits vary by manufacturer and application.

Will this exhaust kit fit my truck make and model?

Exhaust kits are typically designed for specific truck makes, models, and engine setups, so fitment can vary widely between brands like Peterbilt, Kenworth, or Freightliner. Before purchasing, check the diameter, length, and mounting configuration listed for each kit against your truck's existing exhaust system or OEM specifications to confirm compatibility.

What materials and finishes are available for exhaust kits?

Exhaust kits are commonly available in aluminized steel, stainless steel, and chrome finishes. Aluminized steel offers good heat resistance at a lower cost, while stainless steel and chrome options provide added corrosion resistance and a polished look for drivers who want their rig to stand out. Choosing the right material often comes down to budget, climate, and desired appearance.

Can I install an exhaust kit myself, or do I need a professional?

Many drivers and shop technicians install exhaust kits themselves, especially if they have experience with basic hand tools and truck maintenance. That said, proper alignment, secure mounting, and correct clearance from cab and frame components are important for safety and performance, so if you are unsure about any step, having a qualified technician handle the installation is a good idea.

Will a new exhaust kit affect my truck's emissions compliance?

Exhaust kits themselves are generally aftermarket replacement components for the visible stack and piping, but any modification to your exhaust system should be checked against DOT and EPA regulations as well as your state's specific requirements. If your kit alters the original exhaust path or removes emissions-related equipment, confirm compliance before installation to avoid potential violations.