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Peterbilt Exhaust Parts

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.
  • Product
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  • Quantity
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  • Subtotal
  • Stainless Steel Flat Straight Exhaust Cab Bracket

    Stainless Steel Flat Straight Exhaust Cab Bracket

    UNITED PACIFIC

    $45.99
    Exhaust Stack Cab Bracket FlatEnhance the performance and aesthetics of your Peterbilt with the Lincoln Chrome Wide Straight Clamp, tailored for a 5-inch exhaust system. Crafted from chrome-plated stainless steel, this clamp offers unmatched durability...
    09-0800003
    SKU:
    09-0800003
    Truck Class:
    Heavy Duty
    Material Options:
    Stainless Steel
    Make:
    Peterbilt
    Finish Options:
    Polished
    Product Type:
    Exhaust
    Availability:
    Ready To Ship
    $45.99
    Qty in Cart: 0
    Price:
    $45.99
    Subtotal:
  • Passenger Side Mounting Bracket For Stack Kit by BESTfit

    Passenger Side Mounting Bracket For Stack Kit by BESTfit

    BESTFIT TRUCK PARTS

    $21.84
    BESTfit Mounting Bracket Kit For Passenger Side StacksElevate the stability and appearance of your truck's exhaust with the BESTfit Passenger Side Mounting Bracket for Stack Kit. Crafted with precision and made in the USA, this high-quality stack...
    09-080000030
    SKU:
    09-080000030
    Material Options:
    Steel
    Make:
    Universal Items
    Finish Options:
    Chrome-Plated
    Truck Class:
    Heavy Duty
    Product Type:
    Exhaust
    $21.84
    Qty in Cart: 0
    Price:
    $21.84
    Subtotal:
  • Driver Side Stack Mounting Bracket For Stack Kit by BESTfit

    Driver Side Stack Mounting Bracket For Stack Kit by BESTfit

    BESTFIT TRUCK PARTS

    $22.96
    BESTfit Mounting Bracket Kit For Driver Side StacksThe BESTfit Driver Side Mounting Bracket for Stack Kit is the ideal choice for truckers looking to enhance their exhaust's aesthetics. This premium quality mounting bracket is tailored for the driver...
    09-080000029
    SKU:
    09-080000029
    Material Options:
    Steel
    Make:
    Universal Items
    Finish Options:
    Chrome-Plated
    Truck Class:
    Heavy Duty
    Product Type:
    Exhaust
    $22.96
    Qty in Cart: 0
    Price:
    $22.96
    Subtotal:
  • Stainless Steel Grab Handle Trim For Peterbilt W/ Rear Or Under-Mount Exhaust

    Stainless Steel Grab Handle Trim For Peterbilt W/ Rear Or Under-Mount Exhaust

    PHOENIX DESIGN

    $143.99
    Grab Handle Trim Fits Peterbilt W/ Rear Or Under-Mount Exhaust* High Quality Grab Handle Trim* Made Of 304 Stainless Steel * Without Side Stacks* For Trucks With Rear Or Under Mount Exhaust * Sold As Pair* Warranty On Grab Handle Trim Against Defects In...
    01-091300000
    SKU:
    01-091300000
    Truck Class:
    Heavy Duty
    Location:
    Made In USA
    Material Options:
    Stainless Steel
    Make:
    Peterbilt
    Product Type:
    Exterior
    $143.99
    Qty in Cart: 0
    Price:
    $143.99
    Subtotal:
  • On Sale
    CSM 11 Inch Stainless Steel Extra Wide Bowtie Drop Visor For Peterbilt 375, 377, 378, 379, 386, 388, 389

    CSM 11 Inch Stainless Steel Extra Wide Bowtie Drop Visor For Peterbilt 375, 377, 378, 379, 386, 388, 389

    CHROME SHOP MAFIA

    Now: $366.29
    Was: $406.99
    Extra-Wide Bowtie Visor Fits Peterbilt By Chrome Shop MafiaUpgrade your Peterbilt 379 or 389 with our sleek stainless steel Missouri Bowtie Visor! This wide-style visor measures 11 inches on the outside with a 7-inch center, and mounts easily with the...
    01-09013010
    SKU:
    01-09013010
    Location:
    Made In USA
    Height Options:
    11 Inch
    Make:
    Peterbilt
    Light Options:
    Without Lights
    Truck Class:
    Heavy Duty
    Style Options:
    Bow Tie
    Material Options:
    Stainless Steel
    Type Options:
    Blind Mount
    Product Type:
    Exterior
    Cab Style:
    Flat Windshield
    Availability:
    Ready To Ship
    Now: $366.29
    Was: $406.99
    Qty in Cart: 0
    Price:
    Now: $366.29
    Was: $406.99
    Subtotal:
  • Stainless Steel 16 Inch Drop Visor For 378, 379, 384, 386, 388, 389 W/ Cab Mounted Mirrors

    Stainless Steel 16 Inch Drop Visor For 378, 379, 384, 386, 388, 389 W/ Cab Mounted Mirrors

    VALLEY CHROME PLATING

    $626.99
    Valley Chrome 16 Inch Drop VisorBring bold style and serious sun protection to your Peterbilt with this Stainless Steel 16 Inch Drop Visor, built for models 378, 379, 384, 386, 388, and 389 equipped with cab-mounted mirrors. Crafted from high-quality...
    01-09003079
    SKU:
    01-09003079
    Truck Class:
    Heavy Duty
    Make:
    Peterbilt
    Material Options:
    Stainless Steel
    Style Options:
    Dropped
    Type Options:
    Standard Mount
    Light Options:
    Without Lights
    Product Type:
    Exterior
    $626.99
    Qty in Cart: 0
    Price:
    $626.99
    Subtotal:
  • FREE SHIPPING OVER $219
    Lincoln Chrome 8 Inch Quiet Exhaust Kit With Long Drop Elbows For Peterbilt 379, 378 & 389 Glider

    Lincoln Chrome 8 Inch Quiet Exhaust Kit With Long Drop Elbows For Peterbilt 379, 378 & 389 Glider

    LINCOLN CHROME

    $3,825.99 - $5,605.99
    8 Inch Chrome Stacks With Long Drop ElbowsAre you looking for a new exhaust that has everything you need? Stop searching, 4 State Trucks and Lincoln Chrome have you covered. An exhaust that is properly functioning allows gases from your engine to be let...
    01-08KQ830A
    SKU:
    01-08KQ830A
    Location:
    Made In USA
    Truck Class:
    Heavy Duty
    Material Options:
    Steel
    Make:
    Peterbilt
    Finish Options:
    Chrome-Plated
    Style Options:
    Long Drop
    Diameter Options:
    8 Inch
    Product Type:
    Exhaust
    Availability:
    Ready To Ship
    $3,825.99 - $5,605.99
    Qty in Cart: 0
    Price:
    $3,825.99 - $5,605.99
    Subtotal:
  • FREE SHIPPING OVER $219
    Lincoln Chrome 7 Inch Quiet Exhaust Kit With Long Drop Elbows For Peterbilt 379, 378 & 389 Glider

    Lincoln Chrome 7 Inch Quiet Exhaust Kit With Long Drop Elbows For Peterbilt 379, 378 & 389 Glider

    LINCOLN CHROME

    $3,292.99 - $5,018.99
    7 Inch Chrome Stacks With Long Drop ElbowsAre you looking for a new exhaust that includes what you would need? Stop searching, 4 State Trucks and Lincoln Chrome have got you covered. An exhaust that is functioning properly allows gases from your engine...
    01-08KQ730A
    SKU:
    01-08KQ730A
    Location:
    Made In USA
    Truck Class:
    Heavy Duty
    Material Options:
    Steel
    Make:
    Peterbilt
    Finish Options:
    Chrome-Plated
    Style Options:
    Long Drop
    Diameter Options:
    7 Inch
    Product Type:
    Exhaust
    Availability:
    Ready To Ship
    $3,292.99 - $5,018.99
    Qty in Cart: 0
    Price:
    $3,292.99 - $5,018.99
    Subtotal:
  • FREE SHIPPING OVER $219
    Lincoln Chrome 8 Inch Exhaust Kit With Long Drop Elbows For Peterbilt 379, 378 & 389 Glider

    Lincoln Chrome 8 Inch Exhaust Kit With Long Drop Elbows For Peterbilt 379, 378 & 389 Glider

    LINCOLN CHROME

    $3,533.99 - $5,157.99
    8 Inch Chrome Stacks With Long Drop ElbowsAre you looking for a new exhaust that has everything you need? Stop searching, 4 State Trucks and Lincoln Chrome have you covered. An exhaust that is properly functioning allows gases from your engine to be let...
    01-08K830A
    SKU:
    01-08K830A
    Diameter Options:
    8 Inch
    Truck Class:
    Heavy Duty
    Location:
    Made In USA
    Style Options:
    Long Drop
    Material Options:
    Steel
    Make:
    Peterbilt
    Finish Options:
    Chrome-Plated
    Product Type:
    Exhaust
    Availability:
    Ready To Ship
    $3,533.99 - $5,157.99
    Qty in Cart: 0
    Price:
    $3,533.99 - $5,157.99
    Subtotal:
  • FREE SHIPPING OVER $219
    Lincoln Chrome 8 Inch Exhaust Kit With Long Drop Elbows For Peterbilt 359

    Lincoln Chrome 8 Inch Exhaust Kit With Long Drop Elbows For Peterbilt 359

    LINCOLN CHROME

    $3,494.99 - $4,622.99
    8 To 5 Inch Stacks With Long Drop ElbowsAre you looking for an exhaust kit? Stop searching, 4 State Trucks and Lincoln Chrome have got you covered. An exhaust is essential since if it is damaged it might lead to decreased acceleration and power,...
    01-08K825A
    SKU:
    01-08K825A
    Diameter Options:
    8 Inch
    Truck Class:
    Heavy Duty
    Location:
    Made In USA
    Style Options:
    Long Drop
    Material Options:
    Steel
    Make:
    Peterbilt
    Finish Options:
    Chrome-Plated
    Product Type:
    Exhaust
    Availability:
    Ready To Ship
    $3,494.99 - $4,622.99
    Qty in Cart: 0
    Price:
    $3,494.99 - $4,622.99
    Subtotal:
  • On Sale
    FREE SHIPPING OVER $219
    BESTfit 8 Inch Chrome Exhaust Kit With Long Drop Elbows For Peterbilt 359

    BESTfit 8 Inch Chrome Exhaust Kit With Long Drop Elbows For Peterbilt 359

    BESTFIT TRUCK PARTS

    $2,831.39 - $3,745.79
    BESTfit 8 To 5 Inch Stacks With Long Drop ElbowsAre you looking to replace an exhaust? Stop searching, 4 State Trucks have got you covered. An exhaust that is damaged can decrease the power and acceleration, increase fuel consumption, and might cause a...
    01-08K825
    SKU:
    01-08K825
    Diameter Options:
    8 Inch
    Truck Class:
    Heavy Duty
    Style Options:
    Long Drop
    Material Options:
    Steel
    Make:
    Peterbilt
    Finish Options:
    Chrome-Plated
    Product Type:
    Exhaust
    Availability:
    Ready To Ship
    $2,831.39 - $3,745.79
    Qty in Cart: 0
    Price:
    $2,831.39 - $3,745.79
    Subtotal:
  • FREE SHIPPING OVER $219
    TPHD Chrome 8 Inch Exhaust Kit With Long Drop Elbows For Peterbilt 379, 378 & 389 Glider

    TPHD Chrome 8 Inch Exhaust Kit With Long Drop Elbows For Peterbilt 379, 378 & 389 Glider

    TPHD

    $2,901.99 - $3,228.99
    8 To 5 Inch Stacks With Long Drop Elbows & 5 Inch Galvanized Taper Lock Y-PipeAre you looking for an exhaust that has what you need? Stop searching, 4 State Trucks have got you covered. If you have an exhaust that is broken it has the ability to cause...
    01-08K810T
    SKU:
    01-08K810T
    Diameter Options:
    8 Inch
    Truck Class:
    Heavy Duty
    Style Options:
    Long Drop
    Material Options:
    Steel
    Make:
    Peterbilt
    Finish Options:
    Chrome-Plated
    Product Type:
    Exhaust
    Availability:
    Ready To Ship
    $2,901.99 - $3,228.99
    Qty in Cart: 0
    Price:
    $2,901.99 - $3,228.99
    Subtotal:
  • On Sale
    FREE SHIPPING OVER $219
    BESTfit Chrome 8 Inch Exhaust Kit With Long Drop Elbows For Peterbilt 379, 378 & 389 Glider

    BESTfit Chrome 8 Inch Exhaust Kit With Long Drop Elbows For Peterbilt 379, 378 & 389 Glider

    BESTFIT TRUCK PARTS

    $2,863.79 - $4,709.69
    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 2023BESTfit 8-5 X 102 Inch Chrome Exhaust Kit W/ Flat Top Stacks, Long 90S & Chrome Tapered...
    01-08K810
    SKU:
    01-08K810
    Diameter Options:
    8 Inch
    Truck Class:
    Heavy Duty
    Style Options:
    Long Drop
    Material Options:
    Steel
    Make:
    Peterbilt
    Finish Options:
    Chrome-Plated
    Product Type:
    Exhaust
    Availability:
    Ready To Ship
    $2,863.79 - $4,709.69
    Qty in Cart: 0
    Price:
    $2,863.79 - $4,709.69
    Subtotal:
  • FREE SHIPPING OVER $219
    Lincoln Chrome 8 Inch Exhaust Kit With OE Style Elbows For Peterbilt 359

    Lincoln Chrome 8 Inch Exhaust Kit With OE Style Elbows For Peterbilt 359

    LINCOLN CHROME

    $3,368.99 - $4,041.99
    8 To 5 Inch Stacks With 58 Degree ElbowsAre you looking to replace your exhaust? Stop searching, 4 State Trucks and Lincoln Chrome have got you covered. An exhaust that is in need of repair has the ability to decrease acceleration and power, increase...
    01-08K805A
    SKU:
    01-08K805A
    Location:
    Made In USA
    Diameter Options:
    8 Inch
    Truck Class:
    Heavy Duty
    Style Options:
    Standard
    Material Options:
    Steel
    Make:
    Peterbilt
    Finish Options:
    Chrome-Plated
    Product Type:
    Exhaust
    Availability:
    Ready To Ship
    $3,368.99 - $4,041.99
    Qty in Cart: 0
    Price:
    $3,368.99 - $4,041.99
    Subtotal:
  • On Sale
    FREE SHIPPING OVER $219
    BESTfit Chrome 8 Inch Exhaust Kit With OE Style Elbows For Peterbilt 359

    BESTfit Chrome 8 Inch Exhaust Kit With OE Style Elbows For Peterbilt 359

    BESTFIT TRUCK PARTS

    $2,729.69 - $3,275.99
    BESTfit 8 To 5 Inch Stacks With 58 Degree ElbowsAre you looking to replace an exhaust? Stop searching, 4 State Trucks have you covered. An exhaust that is properly working allows gases from your engine to be let out in a more efficient way and it has the...
    01-08K805
    SKU:
    01-08K805
    Diameter Options:
    8 Inch
    Truck Class:
    Heavy Duty
    Style Options:
    Standard
    Material Options:
    Steel
    Make:
    Peterbilt
    Finish Options:
    Chrome-Plated
    Product Type:
    Exhaust
    Availability:
    Ready To Ship
    $2,729.69 - $3,275.99
    Qty in Cart: 0
    Price:
    $2,729.69 - $3,275.99
    Subtotal:
  • FREE SHIPPING OVER $219
    TPHD Chrome 8 Inch Exhaust Kit With OE Style Elbows For Peterbilt 379, 378 & 389 Glider

    TPHD Chrome 8 Inch Exhaust Kit With OE Style Elbows For Peterbilt 379, 378 & 389 Glider

    TPHD

    $2,611.99 - $2,837.99
    8 To 5 Inch Stacks With Standard ElbowsAre you looking to enhance your exhaust system? Stop searching, 4 State Trucks have got you covered. A damaged exhaust has the ability to cause engine noise that is not normal, decrease the power in your truck, it...
    01-08K800T
    SKU:
    01-08K800T
    Diameter Options:
    8 Inch
    Truck Class:
    Heavy Duty
    Style Options:
    Standard
    Material Options:
    Steel
    Make:
    Peterbilt
    Finish Options:
    Chrome-Plated
    Product Type:
    Exhaust
    Availability:
    Ready To Ship
    $2,611.99 - $2,837.99
    Qty in Cart: 0
    Price:
    $2,611.99 - $2,837.99
    Subtotal:
  • FREE SHIPPING OVER $219
    Lincoln Chrome 8 Inch Exhaust Kit With OE Style Elbows For Peterbilt 379, 378 & 389 Glider

    Lincoln Chrome 8 Inch Exhaust Kit With OE Style Elbows For Peterbilt 379, 378 & 389 Glider

    LINCOLN CHROME

    $3,158.99 - $4,299.99
    8 To 5 Inch Chrome Stacks With Standard Style ElbowsAre you looking for a new exhaust? Stop searching, 4 State Trucks and Lincoln Chrome have got you covered. An exhaust that is properly functioning allows gases from your engine to be let out more...
    01-08K800A
    SKU:
    01-08K800A
    Location:
    Made In USA
    Diameter Options:
    8 Inch
    Truck Class:
    Heavy Duty
    Style Options:
    Standard
    Material Options:
    Steel
    Make:
    Peterbilt
    Finish Options:
    Chrome-Plated
    Product Type:
    Exhaust
    Availability:
    Ready To Ship
    $3,158.99 - $4,299.99
    Qty in Cart: 0
    Price:
    $3,158.99 - $4,299.99
    Subtotal:
  • On Sale
    FREE SHIPPING OVER $219
    BestFit Chrome 8 Inch Exhaust Kit With OE Style Elbows For Peterbilt 379, 378 & 389 Glider

    BestFit Chrome 8 Inch Exhaust Kit With OE Style Elbows For Peterbilt 379, 378 & 389 Glider

    BESTFIT TRUCK PARTS

    $2,560.49 - $3,484.79
    8 To 5 Inch Chrome Stacks With 58 Degree ElbowsAre you looking to replace your exhaust? Stop searching, 4 State Trucks have got you covered. A properly working exhaust allows gases from your engine to be let out more efficiently and it could save some...
    01-08K800
    SKU:
    01-08K800
    Truck Class:
    Heavy Duty
    Diameter Options:
    8 Inch
    Style Options:
    Standard
    Material Options:
    Steel
    Make:
    Peterbilt
    Finish Options:
    Chrome-Plated
    Product Type:
    Exhaust
    Availability:
    Ready To Ship
    $2,560.49 - $3,484.79
    Qty in Cart: 0
    Price:
    $2,560.49 - $3,484.79
    Subtotal:
  • FREE SHIPPING OVER $219
    Lincoln Chrome 7 Inch Exhaust Kit With Long Drop Elbows For Peterbilt 379, 378 & 389 Glider

    Lincoln Chrome 7 Inch Exhaust Kit With Long Drop Elbows For Peterbilt 379, 378 & 389 Glider

    LINCOLN CHROME

    $3,000.99 - $4,566.99
    7 Inch Chrome Stacks With Long Drop ElbowsAre you looking for a new exhaust that includes what you would need? Stop searching, 4 State Trucks and Lincoln Chrome have got you covered. An exhaust that is functioning properly allows gases from your engine...
    01-08K730A
    SKU:
    01-08K730A
    Diameter Options:
    7 Inch
    Truck Class:
    Heavy Duty
    Location:
    Made In USA
    Style Options:
    Long Drop
    Material Options:
    Steel
    Make:
    Peterbilt
    Finish Options:
    Chrome-Plated
    Product Type:
    Exhaust
    Availability:
    Ready To Ship
    $3,000.99 - $4,566.99
    Qty in Cart: 0
    Price:
    $3,000.99 - $4,566.99
    Subtotal:
  • FREE SHIPPING OVER $219
    Lincoln Chrome 7-5 Inch Exhaust Kit With Long Drop Elbows For Peterbilt 359

    Lincoln Chrome 7-5 Inch Exhaust Kit With Long Drop Elbows For Peterbilt 359

    LINCOLN CHROME

    $2,960.99 - $4,088.99
    7 To 5 Inch Stack With Long Drop ElbowsAre you looking for an exhaust that has everything you would need? Stop searching, 4 State Trucks and Lincoln Chrome have you covered. An exhaust is essential since if it is damaged it might lead to decreased...
    01-08K725A
    SKU:
    01-08K725A
    Diameter Options:
    7 Inch
    Truck Class:
    Heavy Duty
    Location:
    Made In USA
    Style Options:
    Long Drop
    Material Options:
    Steel
    Make:
    Peterbilt
    Finish Options:
    Chrome-Plated
    Product Type:
    Exhaust
    Availability:
    Ready To Ship
    $2,960.99 - $4,088.99
    Qty in Cart: 0
    Price:
    $2,960.99 - $4,088.99
    Subtotal:
  • Total: items /

Adding your products to cart

Peterbilt Exhaust Parts

If you drive a Peterbilt 379, 389, 378, or 359, your truck deserves more than just stock parts. Our aftermarket Peterbilt exhaust components are built to handle the demands of the open road—while giving your rig a clean, bold exterior look that commands attention.

Why Invest in Aftermarket Peterbilt Exhaust Parts?

- Boost Performance: Precision-engineered elbows, Y-pipes, and stack kits improve exhaust flow for better fuel efficiency and horsepower. - Customize Your Look: Choose from chrome or stainless steel stacks, tips, and brackets to match your rig’s personality. - Fight Corrosion: Durable, high-grade materials resist rust and road grime—keeping your setup sharp for the long haul. - Easy Upgrades: Bolt-on kits and replacement parts make installs fast, simple, and frustration-free. - Built for the Long Haul: Aftermarket parts often outlast stock components and are designed with real trucker feedback in mind.

Get a Full Exhaust System Upgrade

- Exhaust Stacks & Kits: Go with a straight cut, bull hauler, or turnout style for head-turning curb appeal. - Clamps, Brackets & Hangers: Heavy-duty fasteners that keep your system tight, quiet, and rattle-free. - Elbows & Y-Pipes: Optimize backpressure and performance where it matters most—under load. - Exhaust Tips & Accessories: Polish off your build with sleek chrome or stainless accents. - Complete Systems: All-in-one kits with everything you need for a full replacement or upgrade.

Shop for Replacement Exhaust Components Today

Expand your exhaust upgrades with related performance enhancements like new and improved Peterbilt charge air coolers or frame and chassis parts for more stable exhaust mounting. Whether you’re fixing a damaged pipe or customizing a show-ready big rig from the ground up, we’ve got the aftermarket Peterbilt exhaust parts to match your performance goals and style preferences.

Frequently Asked Questions About Peterbilt Exhaust Parts

What are the main differences between chrome and stainless steel exhaust stacks for my Peterbilt?

Chrome-plated exhaust stacks offer a mirror-like finish and are typically more affordable upfront, but require regular polishing and may show pitting or rust over time, especially in harsh weather conditions. Stainless steel stacks, while more expensive initially, resist corrosion better and maintain their appearance with minimal maintenance. For trucks operating in salt-heavy regions or those exposed to frequent washing, stainless steel provides better long-term value despite the higher initial cost.

Which Peterbilt models and years are compatible with universal exhaust parts?

Most universal exhaust parts fit Peterbilt models 379, 389, 567, and 579 from 2000 onwards, but critical measurements include the exhaust pipe diameter (typically 5-inch or 6-inch) and the mounting bracket style. Pre-2007 models often use different emission control configurations than post-2007 trucks. Always verify your specific model year and engine type, as trucks with Cummins ISX, Caterpillar, or Paccar MX engines may have different exhaust routing requirements. When in doubt, provide your VIN number for exact fitment confirmation.

What tools and skills do I need to install exhaust components myself?

Basic exhaust installations require standard hand tools including socket sets (typically 9/16" to 3/4"), band clamps, and exhaust hangers. For stack installations, you'll need a drill with metal bits for bracket mounting and potentially a reciprocating saw for modifications. Most installations take 2-4 hours for experienced mechanics. Common challenges include aligning multiple components, ensuring proper clearances from heat-sensitive parts, and achieving leak-free connections. Professional installation is recommended for complex systems involving DPF or DEF components.

How do I prevent exhaust leaks at connection points?

Exhaust leaks commonly occur at clamp connections and flex pipe joints. Use high-quality band clamps rated for diesel exhaust temperatures (1000?F+) and apply anti-seize compound to all threaded connections. Ensure mating surfaces are clean and free of old gasket material. For best results, use exhaust sealant rated for high temperatures at slip-fit connections. Tighten clamps gradually in a cross-pattern to ensure even pressure distribution. After installation, run the engine and check for leaks using soapy water on cool connections.

What exhaust modifications affect emissions compliance and warranties?

Any modifications to factory emission control devices, including DPF deletes, EGR modifications, or straight pipe conversions, violate federal EPA regulations and void engine warranties. Legal modifications include replacing worn components with OEM-equivalent parts, upgrading exhaust tips and stacks after the emission controls, and installing heat shields or chrome accessories. Always maintain factory emission equipment functionality. For pre-2007 trucks without DPF systems, you have more flexibility with exhaust modifications while staying compliant.


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