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2004 GMC Mufflers & Resonators
Showing In Stock Items. Show All 31 Items.
Dynomax Ultra Flo Welded Round Mufflers
Dynomax Ultra Flo Welded round mufflers are comprised of quality materials and construction to provide you with dyno-proven flow up to 2,000 SCFM and the ability to support up to 2,000 hp. Choose the "Pure Unadulterated Power" of Dynomax Ultra Flo Welded round mufflers. Features and benefits include: * Stainless steel construction for lifelong protection * 100 percent welded for maximum durability * Straight-through design ensures unrestricted exhaust flow and reduced back pressure * Exclusive CRF (Continuous Roving Fiberglass) Technology absorbs unwanted interior resonance, while maintaining a deep performance tone * Most of these models are universal; inlet/outlet diameters and location needed for your vehicle
( 68 )
$77.99
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$112.99
On Sale
Flowmaster Super 40 Series Delta Flow Mufflers
These Super 40 Flowmaster mufflers significantly outflow the older two-chamber mufflers. They help create even more horsepower with less interior noise and a deeper exterior sound. These mufflers feature a design patterned after Flowmaster's race mufflers. These Flowmaster mufflers far exceed older models on Dyno tests. They create a beautiful hot rod sound, along with increased horsepower and gas mileage. So, if you want to get that hot rod sound and add some horsepower, then these Flowmaster mufflers have you covered.
( 187 )
$152.95
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$193.95
$137.65
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$174.55
AP Exhaust OE Replacement Mufflers
When it's time for a new muffler you can shop for something that might fit, or go with a company that uses 3-D modeling programs for a great fit. AP Exhaust OE replacement mufflers include their Challenge Series and Welded Muffler Assemblies—and are direct-fit, requiring no installation modifications. They feature welded necks for enhanced longevity, minimum back-pressure, and maximum sound control for OE performance. AP's patented single cartridge muffler design is used extensively, and all required brackets are welded to the muffler body for long-lasting strength. AP Exhaust OE replacement mufflers offer a premium direct-fit to quickly get you back on the road. Nearly a thousand models are available; order the size options and configuration recommended for your exhaust setup. Features and benefits include: * Top-quality, heavy-duty construction * Premium-designed to fit and perform like OE welded assemblies * Original equipment appearance and performance * Import and domestic applications * Aluminized components for longer life * Engineered to provide a quiet ride * Easy and quick bolt-on/clamp installation
( 74 )
$83.99
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$224.99
On Sale
Flowmaster 70 Series Big Block II Mufflers
These 70 Series Big Block II mufflers are designed around a large case for maximum volume and efficiency. They're 2 in. narrower than the original Big Block muffler, making them easier to install into tight areas. Other features include a mild, mellow exhaust tone and a resonant tuning chamber for reduced interior sound levels.
( 124 )
$249.95
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$255.95
$224.95
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$230.35
On Sale
Flowmaster FlowFX Mufflers
Flowmaster FlowFX mufflers feature mandrel-bent bright stainless steel tubing, mated to specially designed straight-through for great sound and maximum performance. FlowFX 409 stainless steel mufflers deliver a moderate to aggressive interior and exterior sound level that will appeal to anyone looking for a deep, powerful exhaust note.
( 401 )
$171.95
$154.75
Cherry Bomb Salute Mufflers
If you're looking to get a bold, beefy, intimidating exhaust tone out of your engine, Cherry Bomb Salute mufflers will deliver! These state-of-the-art mufflers not only look stunning, but also improve exhaust flow to give a boost in horsepower and torque—for impressive performance that commands attention. Features and benefits of Cherry Bomb Salute mufflers include: * Stainless steel construction * Reversible-flow design for maximum installation flexibility * Available in round or oval muffler shape, in a wide range of sizes and configurations to suit your application needs * 100 percent welded * Straight-through perforated core * Stainless steel wool inner wrap with roving fiber * To ensure precise fit and easier installation, please check catalytic converter shape, length and inlet diameter: the latter should match your exhaust pipe diameter * Installation may require welding and/or cutting
( 113 )
$39.99
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$54.99
On Sale
Flowmaster Super 44 Series Mufflers
Flowmaster Super 44 Series mufflers use the same technology as the original Super 40 mufflers—but also offer some distinct advantages. The Super 44s deliver a deep, rich tone with an improved flow path radius, optimum internal flow, and sound control engineering, all created with Delta Flow technology. They're the most aggressive, deepest sounding, highest performing 4 in. case street mufflers that Flowmaster has ever built. These American-made, all-black mufflers exceed OEM specifications for use on street cars, race cars, and sport trucks. Super 44s are ideal when dynamic sound, torque, and horsepower improvements are demanded in a smaller high performance muffler. Their maximum performance and improved flow path will generate more torque and power than ever before! If you really want to hear your exhaust system inside as well as outside of your vehicle, then order the Flowmaster Super 44 muffler best suited to fit your application.
( 400 )
$137.95
$124.15
On Sale
Flowmaster Super 50 Series Performance Mufflers
Flowmaster Super 50 series muffler is a larger version of Flowmaster's famous 50 series mufflers, and designed for trucks and SUV's, it is also well suited to muscle car and high-performance applications. They are constructed of 16-gauge aluminized steel and fully MIG welded for maximum durability and feature a special tuning chamber that reduces interior resonance, while their larger case improves sound control and optimizes exhaust flow.
( 66 )
$204.95
$184.45
On Sale
Flowmaster 50 Series Big Block Mufflers
Flowmaster 50 series Big Block mufflers have proven to not only significantly improve acceleration and towing power, but to simultaneously increase fuel economy as well. Because of their efficiency, underhood temperatures on trucks and motor homes can be reduced as much as 200 degrees F--helping to lengthen the service life of other engine components. These mufflers are designed and sized for larger gas and diesel engines typically used in towing vehicles and RVs. So, for more comfortable cruising, Flowmaster tuned them for reduced exterior exhaust sound and lower levels of interior resonance.
( 34 )
$306.95
Cherry Bomb Turbo Mufflers
Cherry Bomb Turbo mufflers utilize reverse-flow technology to improve exhaust flow and reduce noise. They feature mechanically locked, aluminized steel construction in standard and small muffler body configurations. They're available to fit most car and truck applications and can be reversed for maximum installation flexibility. Order the size and configuration best suited for your vehicle.
( 58 )
$43.99
Dynomax Ultra Flo Welded Mufflers
Dynomax Ultra Flo welded mufflers feature a straight-through design for unrestricted exhaust flow and reduces backpressure. They have a 100 percent welded design for maximum durability and stainless steel construction for lasting durability and feature CRF Technology that absorbs unwanted interior resonance, while maintaining a deep performance tone. Most of Dynomax Ultra Flow welded muffler models are universal; simply choose the style, inlet/outlet diameters and location needed for your vehicle.
( 196 )
$138.99
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$151.99
Dynomax Super Turbo Mufflers
Dyno tests prove it—Dynomax's Super Turbo mufflers are the closest you can get to running an open pipe, but a lot quieter. To make things even better, Super Turbos have more features than most other mufflers put together: less backpressure for improved quarter-mile times; durable construction for long life and good looks; patented flow directors that channel exhaust for maximum performance; and fiberglass matting for a deep, throaty, powerful performance tone. The mufflers are available in a variety of configurations; inlet/outlet quantities, sizes and locations; both universal and vehicle-specific applications. They are offered in stainless steel or aluminized steel construction.
( 500 )
$70.99
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$186.99
Walker Quiet-Flow 3 Mufflers
Replace your OEM muffler with one of these Walker Quiet-Flow 3 mufflers. Manufactured in both steel and stainless steel versions, their turbo-style configuration provides great interior and exterior sound control without decreasing exhaust flow. Available for cars, trucks, and SUVs, Walker Quiet-Flow 3 mufflers give your OEM exhaust the perfect sound that you have been looking for.
( 472 )
$93.99
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$123.99
On Sale
Flowmaster Stainless Steel 50 Series SUV Performance Mufflers
Flowmaster stainless steel 50 Series SUV performance mufflers are a larger version of Flowmaster's famous 50 series mufflers, and are designed specifically for trucks, SUVs, and large displacement car engines. They feature a special tuning chamber that reduces interior resonance, while their larger case improves sound control and optimizes exhaust flow. These mufflers are manufactured from fully welded 16 gauge stainless steel for the ultimate in durability.
( 31 )
$224.95
$202.45
Walker Heavy-Duty Mufflers
Walker offers a complete lineup of exhaust products for today's heavy-duty and commercial vehicles, including these heavy-duty mufflers. They're engineered to reduce in-cab and exterior engine noise, and feature an all-welded construction from heavy-gauge, all-aluminized steel. Their re-metallized seams provide additional corrosion resistance, improving appearance and durability. They come in a range of styles and sizes, to serve as an economical replacement for your worn or damaged original equipment.
( 28 )
$87.99
Cherry Bomb Vortex Mufflers
Cherry Bomb Vortex mufflers feature a patented flow divider design with high-temperature fiberglass packing that increases exhaust flow and adds an aggressive exhaust note. These 100 percent welded, gray aluminized, reversible steel mufflers are available in a wide range of case and inlet/outlet options to fit most vehicles. Cherry Bomb Vortex mufflers are perfect for adding a more aggressive sound to your car, truck, or SUV.
( 84 )
$56.99
Walker Quiet-Flow Mufflers
Walker Quiet-Flow mufflers are designed to increase airflow and performance over your OEM muffler. These replacements are manufactured from aluminized steel or stainless steel for maximum durability. Their turbo-style configuration provides sound control without decreasing exhaust flow. Available for cars, trucks, and SUVs, Quiet-Flow mufflers will make an excellent choice for your vehicle. Order the size, shape, and inlet/outlet configuration designed for your specific vehicle application.
( 48 )
$106.99
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$198.99
Walker Direct-Fit SoundFX Mufflers
Walker Direct-Fit SoundFX mufflers provide a quality repair alternative—at a competitive price. These OE-style exhausts feature an internal design with two tubes and two partitions for premium performance and acoustics. The 100 percent aluminized steel construction ensures longer life and a professional appearance. SoundFX mufflers are offered in a variety of shapes, lengths, and inlet/out diameters and quantities for fitment on thousands of vehicle applications.
( 317 )
$46.99
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$109.99
Walker Quiet-Flow SS Mufflers
Walker Quiet-Flow SS mufflers are designed using factory-style cross-sections for a precision fit and OE sound. Their sophisticated internal routing provides superior flow and performance. You can choose from several internal construction options, including baffled, louvered tube (with or without packing), and turbo-style. These exhausts are also available in dozens of sizes and inlet/outlet choices. Walker Quiet-Flow SS mufflers construction makes them the ultimate replacement for durability and good looks!
( 342 )
$93.99
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$163.99
Walker Universal Tru-Fit Mufflers
These Walker Universal Tru-Fit mufflers feature aluminized steel covers and heads. Walker Universal Tru-Fit mufflers are designed to provide installers and DIY customers with economical performance and acoustics and ease of installation.
( 44 )
$40.99
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$55.99
On Sale
Summit Racing™ Exhaust System Replacement Mufflers
Summit Racing™ mufflers are exact replacements for our Summit Racing™ exhaust systems. They come available in multiple sizes, configurations, and materials to match your vehicle's exhaust.
( 29 )
$68.99
$62.09
AP Exhaust MSL Maximum Mufflers
Looking for a quiet muffler that performs like a stock replacement--without breaking the bank? AP Exhaust MSL Maximum mufflers are designed for maximum sound control and reduced back pressure. These mufflers are aluminized for extended life and durability, and are available in a variety of sizes to meet your exhaust needs. Features and benefits include: * Direct-fit and universal styles available * Engineered to perform like original equipment * 100 percent aluminized components for extended life * Extensive use of patented single cartridge muffler design * Full-sized OE cross-sections, quality construction * Thick, expandable aluminized necks provide longer life and easy sizing * Direct-fit mufflers feature welded brackets to reduce installation time and provide OE fit and appearance
( 129 )
$42.99
BRExhaust Direct-Fit Mufflers
BRExhaust direct-fit muffler assemblies are constructed by one of the leading aftermarket suppliers to provide OE-style performance and maintain a factory-like sound. The direct-fit configuration allows for easy, bolt-on installation with no modifications required. Built from 16-gauge steel tubing and fully aluminized, each assembly is designed to offer corrosion protection in addition to optimal noise reduction and low backpressure. Available in different configurations compatible with import or domestic vehicles, choose the one designed for your vehicle.
( 2 )
$118.99
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$170.99
AP Exhaust Xlerator Performance Mufflers
AP Exhaust Xlerator Performance mufflers are made from heavy-gauge 100 percent stainless steel or aluminized steel. Each Performance muffler features an all-welded build with a straight-through or chambered design--and high-temperature acoustical filler material. Plus, they're reversible. AP Exhaust Xlerator Performance mufflers will provide increased flow, better performance, and excellent performance sound. Order the configuration that best suits your vehicle application.
( 132 )
$45.99
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$46.99
