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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 4 Inch Steel V-Band Clamp 3905216 For 8.3C Cummins Engines

    BESTfit 4 Inch Steel V-Band Clamp 3905216 For 8.3C Cummins Engines

    BESTFIT TRUCK PARTS

    $42.41
    BESTfit Steel V-Band Clamp For 8.3C Cummins Engines* High Quality V-Band Clamp* Made Of Stainless Steel* 4 Inch Diameter* Fits 8.3C Cummins* Sold Individually* Made In USA* Warranty On V-Clamps...
    09-080000018
    SKU:
    09-080000018
    Truck Class:
    Universal
    Style Options:
    Cummins
    Material Options:
    Steel
    Make:
    Universal Items
    Diameter Options:
    4 5/8 Inch
    Product Type:
    Exhaust
    $42.41
    Qty in Cart: 0
    Price:
    $42.41
    Subtotal:
  • BESTfit 3 Inch Steel V-Band Clamp 15671559 For 2000-2006 Duramax Engines

    BESTfit 3 Inch Steel V-Band Clamp 15671559 For 2000-2006 Duramax Engines

    BESTFIT TRUCK PARTS

    $30.76
    BESTfit Steel V-Band Clamp For 2000-2006 Duramax Engines* High Quality V-Band Clamp* Holds Flanged Joints Together* Water Tight Seal* Highly Corrosion Resistant* Durable And Strong Steel* Dimensions ...
    09-080000017
    SKU:
    09-080000017
    Truck Class:
    Universal
    Material Options:
    Steel
    Make:
    Universal Items
    Diameter Options:
    4 Inch
    Product Type:
    Exhaust
    $30.76
    Qty in Cart: 0
    Price:
    $30.76
    Subtotal:
  • BESTfit 3 Inch Steel V-Band Clamp F6TA-5A281-BA For 1994-1997 7.3L Powerstroke Engines

    BESTfit 3 Inch Steel V-Band Clamp F6TA-5A281-BA For 1994-1997 7.3L Powerstroke Engines

    BESTFIT TRUCK PARTS

    $41.36
    BESTfit Steel V-Band Clamp For 1994-1997 7.3L Powerstroke Engines* High Quality V-Band Clamp* For Turbo to Downpipe* Water Tight Seal* Highly Corrosion Resistant* Durable And Strong Steel*...
    09-080000016
    SKU:
    09-080000016
    Truck Class:
    Universal
    Material Options:
    Steel
    Make:
    Universal Items
    Diameter Options:
    4 Inch
    Product Type:
    Exhaust
    $41.36
    Qty in Cart: 0
    Price:
    $41.36
    Subtotal:
  • BESTfit 2.75 Inch Steel V-Band Clamp 3903652 For 5.9L Cummins

    BESTfit 2.75 Inch Steel V-Band Clamp 3903652 For 5.9L Cummins

    BESTFIT TRUCK PARTS

    $40.32
    BESTfit Steel V-Band Clamp Fits 5.9L CumminsDo you need to replace an old worn clamp? 4 State Trucks offers this quality V-Band Clamp that will make sure the downpipes on your exhaust are securely...
    09-080000015
    SKU:
    09-080000015
    Truck Class:
    Heavy Duty
    Material Options:
    Steel
    Make:
    Universal Items
    Diameter Options:
    2 3/4 Inch
    Product Type:
    Exhaust
    $40.32
    Qty in Cart: 0
    Price:
    $40.32
    Subtotal:
  • BESTfit 6 Inch Diameter Chrome-Plated Steel Rain Cap

    BESTfit 6 Inch Diameter Chrome-Plated Steel Rain Cap

    BESTFIT TRUCK PARTS

    $169.99
    BESTfit 6 Inch Diameter Chrome-Plated Steel Rain CapHelp keep your engine at optimal performance by covering your straight exhaust stack opening with this shiny rain cap. It will prevent...
    09-080000014
    SKU:
    09-080000014
    Diameter Options:
    6 Inch
    Truck Class:
    Universal
    Material Options:
    Steel
    Make:
    Universal Items
    Finish Options:
    Chrome-Plated
    Style Options:
    Flat Top
    Product Type:
    Exhaust
    Ready To Ship:
    Yes
    $169.99
    Qty in Cart: 0
    Price:
    $169.99
    Subtotal:
  • TPHD 6 Inch Diameter Zinc-Plated Steel Rain Cap

    TPHD 6 Inch Diameter Zinc-Plated Steel Rain Cap

    TURNPIKE TRUCK TRIM

    $41.63
    6 Inch Diameter Zinc-Plated Steel Rain Cap By TPHDWhen exposure to rain and road grime threatens your exhaust, this TPHD 6 Inch Diameter Zinc-Plated Steel Rain Cap steps up with dependable protection...
    09-080000013
    SKU:
    09-080000013
    Diameter Options:
    6 Inch
    Truck Class:
    Universal
    Material Options:
    Steel
    Make:
    Universal Items
    Style Options:
    Flat Top
    Product Type:
    Exhaust
    Ready To Ship:
    Yes
    $41.63
    Qty in Cart: 0
    Price:
    $41.63
    Subtotal:
  • BESTfit 5 Inch Diameter Chrome-Plated Steel Rain Cap

    BESTfit 5 Inch Diameter Chrome-Plated Steel Rain Cap

    BESTFIT TRUCK PARTS

    $73.99
    BESTfit 5 Inch Diameter Chrome-Plated Steel Rain CapCover your straight stack exhaust with this highly functional rain cap. It keeps precipitation and foreign objects from entering your exhaust...
    09-080000012
    SKU:
    09-080000012
    Truck Class:
    Universal
    Diameter Options:
    5 Inch
    Material Options:
    Steel
    Make:
    Universal Items
    Finish Options:
    Chrome-Plated
    Style Options:
    Flat Top
    Product Type:
    Exhaust
    $73.99
    Qty in Cart: 0
    Price:
    $73.99
    Subtotal:
  • BESTfit 5 Inch Zinc-Plated Steel Rain Cap

    BESTfit 5 Inch Zinc-Plated Steel Rain Cap

    BESTFIT TRUCK PARTS

    $28.69
    5 Inch Diameter Rain Cap By BESTfitProtect your truck's exhaust system with the BESTfit 5 Inch Zinc-Plated Steel Rain Cap, designed to keep water and debris out of your stacks. Made from durable...
    09-080000011
    SKU:
    09-080000011
    Truck Class:
    Universal
    Diameter Options:
    5 Inch
    Material Options:
    Steel
    Make:
    Universal Items
    Product Type:
    Exhaust
    Ready To Ship:
    Yes
    $28.69
    Qty in Cart: 0
    Price:
    $28.69
    Subtotal:
  • BESTfit 4.5 Inch Diameter Zinc-Plated Steel Rain Cap

    BESTfit 4.5 Inch Diameter Zinc-Plated Steel Rain Cap

    BESTFIT TRUCK PARTS

    $50.99
    BESTfit 4.5 Inch Diameter Zinc-Plated Steel Rain CapCover your straight stack exhaust with this functional and cost effective rain cap. It keeps precipitation and foreign objects from entering your...
    09-080000010
    SKU:
    09-080000010
    Diameter Options:
    4 1/2 Inch
    Truck Class:
    Universal
    Material Options:
    Steel
    Make:
    Universal Items
    Style Options:
    Flat Top
    Product Type:
    Exhaust
    $50.99
    Qty in Cart: 0
    Price:
    $50.99
    Subtotal:
  • BESTfit 4 Inch Diameter Chrome-Plated Steel Rain Cap

    BESTfit 4 Inch Diameter Chrome-Plated Steel Rain Cap

    BESTFIT TRUCK PARTS

    $264.99
    BESTfit 4 Inch Diameter Chrome-Plated Steel Rain CapDo you need to cover the opening of your exhaust? 4 State Trucks offers this high quality rain cap that will keep precipitation and foreign objects...
    09-080000009
    SKU:
    09-080000009
    Diameter Options:
    4 Inch
    Truck Class:
    Universal
    Material Options:
    Steel
    Make:
    Universal Items
    Finish Options:
    Chrome-Plated
    Style Options:
    Flat Top
    Product Type:
    Exhaust
    Ready To Ship:
    Yes
    $264.99
    Qty in Cart: 0
    Price:
    $264.99
    Subtotal:
  • BESTfit 3.5 Inch Diameter Chrome-Plated Steel Rain Cap

    BESTfit 3.5 Inch Diameter Chrome-Plated Steel Rain Cap

    BESTFIT TRUCK PARTS

    $115.99
    BESTfit 3.5 Inch Diameter Chrome-Plated Steel Rain CapHelp keep your engine at optimal performance by covering your vertical exhaust stack with this shiny rain cap. It will keep precipitation and...
    09-080000008
    SKU:
    09-080000008
    Truck Class:
    Universal
    Diameter Options:
    3 1/2 Inch
    Material Options:
    Steel
    Make:
    Universal Items
    Finish Options:
    Chrome-Plated
    Style Options:
    Flat Top
    Product Type:
    Exhaust
    $115.99
    Qty in Cart: 0
    Price:
    $115.99
    Subtotal:
  • BESTfit 3.5 Inch Diameter Zinc-Plated Steel Rain Cap

    BESTfit 3.5 Inch Diameter Zinc-Plated Steel Rain Cap

    BESTFIT TRUCK PARTS

    $32.48
    BESTfit 3.5 Inch Diameter Zinc-Plated Steel Rain CapCover your straight stack exhaust with this functional and cost effective rain cap. It keeps precipitation and foreign objects from entering your...
    09-080000007
    SKU:
    09-080000007
    Truck Class:
    Universal
    Diameter Options:
    3 1/2 Inch
    Material Options:
    Steel
    Make:
    Universal Items
    Style Options:
    Flat Top
    Product Type:
    Exhaust
    Ready To Ship:
    Yes
    $32.48
    Qty in Cart: 0
    Price:
    $32.48
    Subtotal:
  • BESTfit 3 Inch Diameter Zinc-Plated Steel Rain Cap

    BESTfit 3 Inch Diameter Zinc-Plated Steel Rain Cap

    BESTFIT TRUCK PARTS

    $29.69
    BESTfit 3 Inch Diameter Zinc-Plated Steel Rain CapHelp keep your engine at optimal performance by covering your straight exhaust stack opening with this shiny rain cap. It will prevent precipitation...
    09-080000005
    SKU:
    09-080000005
    Truck Class:
    Universal
    Diameter Options:
    3 Inch
    Material Options:
    Steel
    Make:
    Universal Items
    Style Options:
    Flat Top
    Product Type:
    Exhaust
    $29.69
    Qty in Cart: 0
    Price:
    $29.69
    Subtotal:
  • BESTfit 2.5 Inch Diameter Zinc-Plated Steel Rain Cap

    BESTfit 2.5 Inch Diameter Zinc-Plated Steel Rain Cap

    BESTFIT TRUCK PARTS

    $30.75
    BESTfit 2.5 Inch Diameter Zinc-Plated Steel Rain CapDo you need to cover your vertical exhaust? 4 State Trucks offers this high quality rain cap to keep precipitation and foreign objects from...
    09-080000004
    SKU:
    09-080000004
    Truck Class:
    Universal
    Material Options:
    Steel
    Make:
    Universal Items
    Style Options:
    Flat Top
    Diameter Options:
    2 1/2 Inch
    Product Type:
    Exhaust
    $30.75
    Qty in Cart: 0
    Price:
    $30.75
    Subtotal:
  • BESTfit 2 Inch Diameter Zinc-Plated Steel Rain Cap

    BESTfit 2 Inch Diameter Zinc-Plated Steel Rain Cap

    BESTFIT TRUCK PARTS

    $37.12
    BESTfit 2 Inch Diameter Zinc-Plated Steel Rain CapCover your flip top stack with this functional and cost effective rain cap. It prevents precipitation and foreign objects from entering your exhaust...
    09-080000003
    SKU:
    09-080000003
    Truck Class:
    Universal
    Material Options:
    Steel
    Make:
    Universal Items
    Style Options:
    Flat Top
    Diameter Options:
    2 Inch
    Product Type:
    Exhaust
    $37.12
    Qty in Cart: 0
    Price:
    $37.12
    Subtotal:
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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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