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GMC General Truck Exhaust Parts

Maximize your GMC General truck with premium exhaust parts from 4 State Trucks. Explore chrome stacks with length options ranging from 12 to 120 inches, diameters from 4 to 8 inches in various top styles like miter cut, West Coast turn, and flat top. We also offer aftermarket mufflers, elbows, DPF parts, and clamps.
  • Product
  • Qty in Cart
  • Quantity
  • Price
  • Subtotal
  • BESTfit 5.25 Inch Machined Turbo Flare For Detroit Diesel Turbo 6V/8V92T

    BESTfit 5.25 Inch Machined Turbo Flare For Detroit Diesel Turbo 6V/8V92T

    BESTFIT TRUCK PARTS

    $272.99
    BESTfit Aluminized Steel Type A Turbo Pipe With FlangeRedefine your Detroit engine with the BESTfit 5 Inch ID-O.D. X 4 Inch OAL Aluminized Steel Type A Turbo Pipe from 4 State Trucks. This turbo...
    09-080100196
    SKU:
    09-080100196
    Diameter Options:
    5 Inch
    Length Options:
    4 Inch
    Material Options:
    Aluminized Steel
    Make:
    Universal Items
    Truck Class:
    Heavy Duty
    Product Type:
    Exhaust
    $272.99
    Qty in Cart: 0
    Price:
    $272.99
    Subtotal:
  • BESTfit 4 ID/OD X 6 Inch Aluminized Turbo Outlet Adapter With Flange For Detroit 671/12V71

    BESTfit 4 ID/OD X 6 Inch Aluminized Turbo Outlet Adapter With Flange For Detroit 671/12V71

    BESTFIT TRUCK PARTS

    $31.83
    BESTfit 4.75 Inch Turbo Flare Lip for Detroit Diesel 671/12V71Get the perfect fit for your Detroit Diesel 12V71 Turbo with this quality style C manifold outlet. It is made of a rust and corrosion...
    09-080100195
    SKU:
    09-080100195
    Diameter Options:
    4 Inch
    Truck Class:
    Universal
    Material Options:
    Aluminized Steel
    Make:
    Universal Items
    Length Options:
    6 Inch
    Product Type:
    Exhaust
    $31.83
    Qty in Cart: 0
    Price:
    $31.83
    Subtotal:
  • BESTfit 4 ID/OD X 4 Inch Aluminized Turbo Outlet Adapter With Flange Style A For L10 Cummins

    BESTfit 4 ID/OD X 4 Inch Aluminized Turbo Outlet Adapter With Flange Style A For L10 Cummins

    BESTFIT TRUCK PARTS

    $31.83
    BESTfit 4 Inch ID-OD X 4 Inch OAL Aluminized Steel Type A Turbo Pipe* High Quality Turbo Manifold Outlet* Style A* Highly Corrosion Resistant* Made Of Durable And Strong Aluminized Steel* 4 Inch...
    09-080100194
    SKU:
    09-080100194
    Diameter Options:
    4 Inch
    Truck Class:
    Universal
    Style Options:
    Cummins
    Material Options:
    Aluminized Steel
    Make:
    Universal Items
    Length Options:
    4 Inch
    Product Type:
    Exhaust
    Ready To Ship:
    Yes
    $31.83
    Qty in Cart: 0
    Price:
    $31.83
    Subtotal:
  • BESTfit 4 ID/OD X 4 Inch Aluminized Turbo Outlet Adapter With Flange Style A For CAT 3306

    BESTfit 4 ID/OD X 4 Inch Aluminized Turbo Outlet Adapter With Flange Style A For CAT 3306

    BESTFIT TRUCK PARTS

    $32.89
    BESTfit 4 Inch ID-OD X 4 Inch OAL Aluminized Steel Type A Turbo Pipe* High Quality Turbo Manifold Outlet* Style A* Highly Corrosion Resistant* Made Of Durable And Strong Aluminized Steel* 4 Inch...
    09-080100193
    SKU:
    09-080100193
    Diameter Options:
    4 Inch
    Truck Class:
    Heavy Duty
    Material Options:
    Aluminized Steel
    Make:
    Universal Items
    Length Options:
    4 Inch
    Product Type:
    Exhaust
    $32.89
    Qty in Cart: 0
    Price:
    $32.89
    Subtotal:
  • BESTfit 4 ID/OD X 6 Inch Inch Aluminized Turbo Outlet Adapter With Flange Style A For Cummins

    BESTfit 4 ID/OD X 6 Inch Inch Aluminized Turbo Outlet Adapter With Flange Style A For Cummins

    BESTFIT TRUCK PARTS

    $38.20
    BESTfit 4 Inch I.D.-O.D. X 6 Inch OAL Aluminized Steel Type A Turbo Pipe With 4.5 Inch Diameter Flange Fits CumminsGet the perfect fit for your Cummins Engine with this quality type A manifold outlet...
    09-080100192
    SKU:
    09-080100192
    Truck Class:
    Universal
    Diameter Options:
    4 Inch
    Style Options:
    Cummins
    Material Options:
    Aluminized Steel
    Make:
    Universal Items
    Length Options:
    6 Inch
    Product Type:
    Exhaust
    $38.20
    Qty in Cart: 0
    Price:
    $38.20
    Subtotal:
  • BESTfit 3.5 ID/OD X 6 Inch Inch Aluminized Turbo Outlet Adapter With Flange Style B For Detroit 8V71

    BESTfit 3.5 ID/OD X 6 Inch Inch Aluminized Turbo Outlet Adapter With Flange Style B For Detroit 8V71

    BESTFIT TRUCK PARTS

    $31.83
    BESTfit 3.5 Inch I.D.-O.D. X 6 Inch OAL Aluminized Steel Type B Turbo Pipe With 4.25 Inch Diameter Flange Fits Detroit 8V71Get the perfect fit for your Detroit Diesel 8V71 Engine with this quality...
    09-080100191
    SKU:
    09-080100191
    Truck Class:
    Universal
    Diameter Options:
    3 1/2 Inch
    Material Options:
    Aluminized Steel
    Make:
    Universal Items
    Length Options:
    6 Inch
    Product Type:
    Exhaust
    $31.83
    Qty in Cart: 0
    Price:
    $31.83
    Subtotal:
  • 3.5 Inch ID-OD X 4 Inch OAL Aluminized Steel Type A Turbo Pipe With 4.07 Inch Diameter Flange For CAT 3208T

    3.5 Inch ID-OD X 4 Inch OAL Aluminized Steel Type A Turbo Pipe With 4.07 Inch Diameter Flange For CAT 3208T

    BESTFIT TRUCK PARTS

    $33.06
    3.5 Inch ID-OD X 4 Inch OAL Aluminized Steel Type A Turbo PipeOptimize your CAT 3208T turbo system with the Type A Turbo Pipe, 3.5 Inch ID-OD X 4 Inch OAL, designed for durability, reliability, and...
    09-080100190
    SKU:
    09-080100190
    Truck Class:
    Universal
    Diameter Options:
    3 Inch
    Material Options:
    Aluminized Steel
    Make:
    Universal Items
    Length Options:
    4 Inch
    Product Type:
    Exhaust
    Ready To Ship:
    Yes
    $33.06
    Qty in Cart: 0
    Price:
    $33.06
    Subtotal:
  • BESTfit 3.5 ID/OD X 6 InchTurbo Outlet Adapter With Flange Style A For Detroit Diesel

    BESTfit 3.5 ID/OD X 6 InchTurbo Outlet Adapter With Flange Style A For Detroit Diesel

    BESTFIT TRUCK PARTS

    $28.65
    BESTfit 3.5 Inch I.D.-O.D. X 6 Inch OAL Aluminized Steel Type A Turbo Pipe With 4 Inch Diameter Flange Fits Detroit DieselGet the perfect fit with this quality type A manifold outlet. It is made of a...
    09-080100189
    SKU:
    09-080100189
    Diameter Options:
    3 Inch
    Truck Class:
    Universal
    Material Options:
    Aluminized Steel
    Make:
    Universal Items
    Length Options:
    6 Inch
    Product Type:
    Exhaust
    $28.65
    Qty in Cart: 0
    Price:
    $28.65
    Subtotal:
  • BESTfit 3 ID/OD X 6 Inch Turbo Outlet Adapter With Flange Style A

    BESTfit 3 ID/OD X 6 Inch Turbo Outlet Adapter With Flange Style A

    BESTFIT TRUCK PARTS

    $29.86
    BESTfit 3 Inch I.D.-O.D. X 6 Inch OAL Aluminized Steel Type A Turbo Pipe With 3.75 Inch Diameter FlangeGet the perfect fit with this quality type A manifold outlet. It is made of a rust and corrosion...
    09-080100188
    SKU:
    09-080100188
    Diameter Options:
    3 Inch
    Truck Class:
    Universal
    Style Options:
    Flanged
    Material Options:
    Aluminized Steel
    Make:
    Universal Items
    Length Options:
    6 Inch
    Product Type:
    Exhaust
    Ready To Ship:
    Yes
    $29.86
    Qty in Cart: 0
    Price:
    $29.86
    Subtotal:
  • BESTfit 3 ID/OD X 6 Inch Turbo Outlet Adapter For Detroit Diesel L V71

    BESTfit 3 ID/OD X 6 Inch Turbo Outlet Adapter For Detroit Diesel L V71

    BESTFIT TRUCK PARTS

    $22.83
    BESTfit 3 Inch I.D.-O.D. X 6 Inch OAL Aluminized Steel Type B Turbo Pipe With 3.62 Inch Diameter FlangeGet the perfect fit for a Detroit Diesel Turbo L V71 with this quality type B manifold outlet...
    09-080100187
    SKU:
    09-080100187
    Diameter Options:
    6 Inch
    Truck Class:
    Universal
    Length Options:
    6 Inch
    Style Options:
    Flanged
    Material Options:
    Aluminized Steel
    Make:
    Universal Items
    Product Type:
    Exhaust
    $22.83
    Qty in Cart: 0
    Price:
    $22.83
    Subtotal:
  • BESTfit Aluminized Exhaust Connector 5 OD X 5 OD X 8 Inch

    BESTfit Aluminized Exhaust Connector 5 OD X 5 OD X 8 Inch

    BESTFIT TRUCK PARTS

    $41.36
    BESTfit 5 Inch O.D.-O.D. X 8 Inch OAL Aluminized Steel Connector Pipe* High Quality Connector* Can Be Used To Join Flex Hose Together* Both Ends Have O.D. Connections* Made Of Durable 16 Gauge...
    09-080100186
    SKU:
    09-080100186
    Diameter Options:
    5 Inch
    Truck Class:
    Universal
    Length Options:
    8 Inch
    Material Options:
    Aluminized Steel
    Make:
    Universal Items
    Product Type:
    Exhaust
    $41.36
    Qty in Cart: 0
    Price:
    $41.36
    Subtotal:
  • BESTfit Aluminized Exhaust Connector 4 OD X 4 OD X 8 Inch

    BESTfit Aluminized Exhaust Connector 4 OD X 4 OD X 8 Inch

    BESTFIT TRUCK PARTS

    $37.13
    BESTfit 4 Inch O.D.-O.D. X 8 Inch OAL Aluminized Steel Connector Pipe* High Quality Connector* Can Be Used To Join Flex Hose Together* Both Ends Have O.D. Connections* Made Of Durable 16 Gauge...
    09-080100185
    SKU:
    09-080100185
    Truck Class:
    Universal
    Diameter Options:
    4 Inch
    Length Options:
    8 Inch
    Material Options:
    Aluminized Steel
    Make:
    Universal Items
    Product Type:
    Exhaust
    $37.13
    Qty in Cart: 0
    Price:
    $37.13
    Subtotal:
  • BESTfit 4 Inch OD-ID X 48 Inch 16 Gauge Aluminized Steel Tube

    BESTfit 4 Inch OD-ID X 48 Inch 16 Gauge Aluminized Steel Tube

    BESTFIT TRUCK PARTS

    $87.99
    BESTfit 4 Inch O.D.-I.D. X 48 Inch 16 Gauge Aluminized Steel TubeOptimize your vehicle's exhaust flow with the precision-crafted BESTfit 4 Inch O.D.-I.D. X 48 Inch 16 Gauge Aluminized Steel Tube...
    09-080100184
    SKU:
    09-080100184
    Diameter Options:
    4 Inch
    Length Options:
    48 Inch
    Material Options:
    Aluminized Steel
    Make:
    Universal Items
    Truck Class:
    Heavy Duty
    Product Type:
    Exhaust
    $87.99
    Qty in Cart: 0
    Price:
    $87.99
    Subtotal:
  • BESTfit 4 Inch OD-ID X 24 Inch 16 Gauge Aluminized Steel Tube

    BESTfit 4 Inch OD-ID X 24 Inch 16 Gauge Aluminized Steel Tube

    BESTFIT TRUCK PARTS

    $51.99
    BESTfit 4 Inch O.D.-I.D. X 24 Inch 16 Gauge Aluminized Steel TubeFor those in pursuit of an exhaust system modification, the BESTfit 4 Inch O.D.-I.D. X 24 Inch 16 Gauge Aluminized Steel Tube is the...
    09-080100183
    SKU:
    09-080100183
    Diameter Options:
    4 Inch
    Length Options:
    24 Inch
    Material Options:
    Aluminized Steel
    Make:
    Universal Items
    Truck Class:
    Heavy Duty
    Product Type:
    Exhaust
    $51.99
    Qty in Cart: 0
    Price:
    $51.99
    Subtotal:
  • On Sale
    Limited Quantity Available
    BESTfit Aluminized Exhaust Connector 3 OD X 3 OD X 8 Inch

    BESTfit Aluminized Exhaust Connector 3 OD X 3 OD X 8 Inch

    BESTFIT TRUCK PARTS

    Now: $5.27
    Was: $33.96
    BESTfit 3 Inch O.D.-O.D. X 8 Inch OAL Aluminized Steel Connector* High Quality Connector* Can Be Used To Join Flex Hose Together* Both Ends Have O.D. Connections* Made Of Durable 16 Gauge Aluminized...
    09-080100182
    SKU:
    09-080100182
    Diameter Options:
    3 Inch
    Truck Class:
    Universal
    Length Options:
    8 Inch
    Material Options:
    Aluminized Steel
    Make:
    Universal Items
    Product Type:
    Exhaust
    Ready To Ship:
    Yes
    Now: $5.27
    Was: $33.96
    Qty in Cart: 0
    Price:
    Now: $5.27
    Was: $33.96
    Subtotal:
  • BESTfit Aluminized Exhaust Connector 3-1/2 OD X 3-1/2 OD X 8 Inch

    BESTfit Aluminized Exhaust Connector 3-1/2 OD X 3-1/2 OD X 8 Inch

    BESTFIT TRUCK PARTS

    $34.63
    BESTfit 3.5 Inch O.D.-O.D. X 8 Inch OAL Aluminized Steel Connector* High Quality Connector* Can Be Used To Join Flex Hose Together* Both Ends Have O.D. Connections* Made Of Durable 16 Gauge...
    09-080100181
    SKU:
    09-080100181
    Truck Class:
    Universal
    Diameter Options:
    8 Inch
    Length Options:
    3 1/2 Inch
    Material Options:
    Aluminized Steel
    Make:
    Universal Items
    Product Type:
    Exhaust
    $34.63
    Qty in Cart: 0
    Price:
    $34.63
    Subtotal:
  • BESTfit Aluminized Exhaust Reducer 6 OD X 5 OD X 8 Inch

    BESTfit Aluminized Exhaust Reducer 6 OD X 5 OD X 8 Inch

    BESTFIT TRUCK PARTS

    $40.26
    BESTfit To 5 Inch OD-OD X 8 Inch OAL Aluminized Steel Reducer PipeAre you building a custom exhaust that requires different pipe sizes? 4 State Trucks offers this high quality reducer that is made to...
    09-080100170
    SKU:
    09-080100170
    Truck Class:
    Universal
    Diameter Options:
    6 Inch
    Length Options:
    8 Inch
    Material Options:
    Aluminized Steel
    Make:
    Universal Items
    Product Type:
    Exhaust
    $40.26
    Qty in Cart: 0
    Price:
    $40.26
    Subtotal:
  • BESTfit Chrome Exhaust Adapter Reducer 6 OD X 5 ID X 8 Inch

    BESTfit Chrome Exhaust Adapter Reducer 6 OD X 5 ID X 8 Inch

    BESTFIT TRUCK PARTS

    $106.99
    BESTfit 6 To 5 Inch O.D.-I.D. X 8 Inch OAL Chrome-Plated Steel Reducer PipeDoes your exhaust build have different size pipes? 4 State Trucks offers this high quality reducer that allows pipes of...
    09-080100169
    SKU:
    09-080100169
    Diameter Options:
    6 Inch
    Truck Class:
    Universal
    Length Options:
    8 Inch
    Material Options:
    Steel
    Make:
    Universal Items
    Finish Options:
    Chrome-Plated
    Product Type:
    Exhaust
    $106.99
    Qty in Cart: 0
    Price:
    $106.99
    Subtotal:
  • BESTfit Aluminized Exhaust Adapter Reducer 6 OD X 5 ID X 8 Inch

    BESTfit Aluminized Exhaust Adapter Reducer 6 OD X 5 ID X 8 Inch

    BESTFIT TRUCK PARTS

    $45.59
    BESTfit 6 To 5 Inch O.D.-I.D. X 8 Inch OAL Aluminized Steel Reducer PipeAre you building a custom exhaust that requires different pipe sizes? 4 State Trucks offers this high quality reducer that is...
    09-080100168
    SKU:
    09-080100168
    Diameter Options:
    6 Inch
    Truck Class:
    Universal
    Length Options:
    8 Inch
    Material Options:
    Aluminized Steel
    Make:
    Universal Items
    Product Type:
    Exhaust
    Ready To Ship:
    Yes
    $45.59
    Qty in Cart: 0
    Price:
    $45.59
    Subtotal:
  • BESTfit Aluminized Exhaust Adapter Reducer 6 OD X 4 OD X 8 Inch

    BESTfit Aluminized Exhaust Adapter Reducer 6 OD X 4 OD X 8 Inch

    BESTFIT TRUCK PARTS

    $53.99
    BESTfit 6 To 4 Inch O.D.-O.D. X 8 Inch OAL Aluminized Steel Reducer Pipehigh quality reducer that is made to smoothly connect pipes of different size on your exhaust. It is constructed with a premium...
    09-080100167
    SKU:
    09-080100167
    Truck Class:
    Universal
    Diameter Options:
    6 Inch
    Length Options:
    8 Inch
    Material Options:
    Aluminized Steel
    Make:
    Universal Items
    Product Type:
    Exhaust
    $53.99
    Qty in Cart: 0
    Price:
    $53.99
    Subtotal:
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Adding your products to cart

Frequently Asked Questions About GMC General Truck Exhaust Parts

What exhaust components are included in this category?

This category covers exhaust system parts for GMC trucks, including exhaust pipes, mufflers, stacks, clamps, elbows, tips, and related hardware. These parts are designed to replace or upgrade worn, damaged, or corroded factory exhaust components.

What materials are these exhaust parts made from, and how do they hold up?

Most exhaust parts in this category are made from aluminized steel or stainless steel. Aluminized steel offers good heat and corrosion resistance at a lower cost, while stainless steel provides longer-lasting protection against rust and road salt, making it a popular choice for trucks that see heavy use or harsh weather.

How do I know if an exhaust part will fit my specific GMC truck?

Fitment depends on your truck's model, year, engine, and existing exhaust configuration, including pipe diameter and mounting points. Always check the listed specifications on each product page, and if you're unsure, reach out to our team with your truck's details so we can help confirm compatibility before you order.

Can I install these exhaust parts myself, or do I need a professional?

Many straightforward replacements, like clamps, tips, or straight pipe sections, can be installed with basic tools and some mechanical experience. More involved jobs, such as replacing mufflers or making custom pipe modifications, may require welding or cutting, so it's worth having a professional handle those unless you're comfortable with that level of work.

Will replacing my exhaust parts affect noise levels or performance?

Yes, exhaust components directly influence both sound and performance. Mufflers and pipe diameter changes can make your truck louder or quieter and may affect exhaust flow. Be sure to check local and state regulations regarding exhaust noise and emissions before making changes, especially with aftermarket parts.


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