GMC Mufflers & Resonators
- Walker®180 Degree Exhaust Heat ShieldUniversal 180 Degree Exhaust Heat Shield by Walker®. Length: 51". With their extensive selection of accessories and hardware for the exhaust system, Walker will provide you with everything needed to do the complete exhaust job. When you...Makes installation quick and easyOptimal OE-style fit and quality$144.93 - $229.96
- Walker®Glass Pack Series Round Aluminized Exhaust MufflerUniversal Glass Pack Series Round Aluminized Exhaust Muffler by Walker®. With their extensive selection of accessories and hardware for the exhaust system, Walker will provide you with everything needed to do the complete exhaust job....Constructed of heavy-gauge aluminized steelCorrosion resistant$16.61 - $47.62
- Walker®Heavy Duty Steel Round Agricultural Exhaust MufflerUniversal Heavy Duty Steel Round Agricultural Exhaust Muffler by Walker®. Walker® Commercial Vehicle mufflers are engineered with robust welds, continuous roving fiber and bridge-constructed inlets / outlets to help ensure long service...Designed to directly replace the factory partMade with precision benders and fixture checked$46.75 - $134.39
- Walker®Muffler StrapUniversal Muffler Strap by Walker®. With their extensive selection of accessories and hardware for the exhaust system, Walker will provide you with everything needed to do the complete exhaust job. When you choose Walker accessories,...Ensures Proper Exhaust InstallationDesigned to Work Seamlessly with Walker Replacement parts$0.77 - $3.36
- Walker®Pro-Fit Economy™ Steel Exhaust MufflerUniversal Pro-Fit Economy™ Steel Exhaust Muffler by Walker®. This muffler is the right choice if you opt for quality acoustics and performance. Walker offers 100% aluminized steel Pro Fit Mufflers with universal fit options available,...Designed to deliver ultimate performance and pleasing sound qualityOE-equivalent direct-fit design$23.83 - $42.34
- MBRP®Pro Series™ Round Exhaust MufflerUniversal Pro Series™ Round Exhaust Muffler by MBRP®. Muffler Inlet Diameter: 4". Muffler Outlet Diameter: 4". Muffler Body Length: 24". Muffler Overall Length: 30". Muffler Sound: Moderate. Muffler Configuration: Center - Center....$199.94 - $292.94$214.99 - $314.99Save 7%
- MBRP®XP Series™ 409 SS Round Exhaust MufflerUniversal XP Series™ 409 SS Round Exhaust Muffler by MBRP®. Muffler Sound: Mild / Stock. Muffler Configuration: Center - Center. Short on space under your car for a muffler? A round muffler might just be the ticket to tuck in around a...$176.69 - $288.29$189.99 - $309.99Save 7%
- Flowmaster®40 Series Delta Force™ 409 SS Oval 2-Chamber Race Black Exhaust MufflerUniversal 40 Series Delta Force™ 409 SS Oval 2-Chamber Race Black Exhaust Muffler by Flowmaster®. Without Hangers. Muffler Sound: Aggressive / Loud. Muffler Structure: Chambered. The Delta Force 40 series race mufflers utilize...$159.95 - $225.95
- Flowmaster®Super 50 Series Delta Flow™ Oval (SUV) Black Exhaust MufflerUniversal Super 50 Series Delta Flow™ Oval (SUV) Black Exhaust Muffler by Flowmaster®. Without Hangers. Muffler Body Length: 17". Muffler Overall Length: 23". Muffler Sound: Mild / Stock. Muffler Structure: Chambered. The Super 50...$184.95 - $204.95
- Flowmaster®Super HP-2™ Oval Performance Exhaust MufflerUniversal Super HP-2™ Oval Performance Exhaust Muffler by Flowmaster®. Muffler Structure: Multi Core. Muffler Configuration: Center - Center. Flowmaster has taken the laminar core of the classic HP-2 muffler and wrapped it in a new...$159.95 - $245.95
- Borla®Boomer™ Series Stainless Steel Silver Exhaust MufflerUniversal Boomer™ Series Stainless Steel Silver Exhaust Muffler by Borla®. Muffler Inlet Diameter: 2.25". Muffler Body Length: 14". Muffler Sound: Aggressive / Loud. Muffler Structure: Multi Core. Upgrade the looks, performance and...$256.99 - $462.99
- Borla®Heavy Duty Stainless Steel Round Gray Exhaust MufflerUniversal Heavy Duty Stainless Steel Round Gray Exhaust Muffler by Borla®. Muffler Inlet Diameter: 3". Muffler Outlet Diameter: 3". Muffler Body Length: 24". Muffler Overall Length: 29". Muffler Sound: Mild / Stock. Muffler...$240.99 - $244.99
- Borla®Stainless Steel Round Gray Exhaust MufflerUniversal Stainless Steel Round Gray Exhaust Muffler by Borla®. Muffler Inlet Diameter: 2.75". Muffler Outlet Diameter: 2.75". Muffler Body Length: 24". Muffler Overall Length: 29". Muffler Sound: Aggressive / Loud. Muffler...$233.99 - $251.99
- Borla®Transverse Flow™ Stainless Steel Oval Gray Exhaust MufflerUniversal Transverse Flow™ Stainless Steel Oval Gray Exhaust Muffler by Borla®. Muffler Outlet Diameter: 2.5". Muffler Body Length: 19". Muffler Overall Length: 24". Muffler Sound: Mild / Stock. Get increased performance and the...$336.99 - $355.99
- Gibson®SFT Superflow™ Stainless Steel Round Gray Exhaust MufflerUniversal SFT Superflow™ Stainless Steel Round Gray Exhaust Muffler by Gibson®. Muffler Sound: Aggressive / Loud. Get increased exhaust flow for more power and great sound with a Gibson SFT Superflow Muffler. The SFT Superflow has one...$210.21 - $376.66
- MagnaFlow®Black Series™ Stainless Steel Black Exhaust Muffler with TipUniversal Black Series™ Stainless Steel Black Exhaust Muffler with Tip by MagnaFlow®. Muffler Inlet Diameter: 2.25". Muffler Outlet Diameter: 4". Muffler Body Length: 14". Muffler Sound: Moderate. Muffler Configuration: Center -...$330.00 - $383.00
- MagnaFlow®Competition Core Stainless Steel Oval Silver Exhaust MufflerUniversal Competition Core Stainless Steel Oval Silver Exhaust Muffler by MagnaFlow®. Muffler Outlet Diameter: 4". Muffler Body Length: 14". Muffler Sound: Aggressive / Loud. Muffler Configuration: Center - Center. These are mufflers...$205.00 - $240.00
- MagnaFlow®Race Series Stainless Steel Silver Exhaust MufflerUniversal Race Series Stainless Steel Silver Exhaust Muffler by MagnaFlow®. Acoustical Packing. Muffler Sound: Moderate. Muffler Configuration: Center - Center. With racetracks enforcing stricter decibel level restrictions, MagnaFlow is...$177.00 - $206.00
- MagnaFlow®Street Series Stainless Steel Oval Silver Exhaust MufflerUniversal Street Series Stainless Steel Oval Silver Exhaust Muffler by MagnaFlow®. Muffler Inlet Diameter: 2.25". Muffler Body Length: 14". Muffler Sound: Moderate. These are mufflers for souped-up street machines. These mufflers look...$213.00 - $372.00
- MagnaFlow®Street Series Stainless Steel Round Silver Exhaust MufflerUniversal Street Series Stainless Steel Round Silver Exhaust Muffler by MagnaFlow®. Muffler Inlet Diameter: 2.25". Muffler Body Length: 14". Muffler Sound: Moderate. Muffler Configuration: Center - Center. These are mufflers for...$186.00 - $256.00
- MagnaFlow®XL Series Stainless Steel Oval Satin Gray Exhaust MufflerUniversal XL Series Stainless Steel Oval Satin Gray Exhaust Muffler by MagnaFlow®. Muffler Sound: Moderate. Muffler Structure: Chambered. The XL Mufflers are for the musicians. No other mufflers are so finely tuned as the XLs are. They...$134.00 - $146.00
- MagnaFlow®xMOD Series™ T304 Stainless Steel Oval Satin Gray Exhaust Muffler with NDT ModuleUniversal xMOD Series™ T304 Stainless Steel Oval Satin Gray Exhaust Muffler with NDT Module by MagnaFlow®. Muffler Body Length: 18". Muffler Sound: Aggressive / Loud. Muffler Configuration: Dual - Center. MagnaFlow's premium...$566.00
- aFe®Mach Force XP™ 304 SS Oval Exhaust MufflerUniversal Mach Force XP™ 304 SS Oval Exhaust Muffler by aFe®. Muffler Inlet Diameter: 3". Muffler Outlet Diameter: 3". Muffler Body Length: 22". Muffler Sound: Aggressive / Loud. This MACH Force-Xp exhaust system can be used with most...$213.00 - $237.00
- Jones Exhaust®Quiet Tone HD Full Boar Stainless Steel Oval Full Boar Gray Exhaust MufflerUniversal Quiet Tone HD Full Boar Stainless Steel Oval Full Boar Gray Exhaust Muffler by Jones Exhaust®. Muffler Sound: Moderate. This product is made of high-quality materials to serve you for years to come. Designed using...$63.41 - $124.12
- Jones Exhaust®Super Duty Stainless Steel Round Full Boar Gray Exhaust MufflerUniversal Super Duty Stainless Steel Round Full Boar Gray Exhaust Muffler by Jones Exhaust®. Muffler Sound: Aggressive / Loud. This product is made of high-quality materials to serve you for years to come. Designed using...$53.71 - $112.94
- Jones Exhaust®Truck Series Full Flow Stainless Steel Full Boar Performance Gray Exhaust MufflerUniversal Truck Series Full Flow Stainless Steel Full Boar Performance Gray Exhaust Muffler by Jones Exhaust®. Muffler Sound: Aggressive / Loud. This product is made of high-quality materials to serve you for years to come. Designed...$49.56 - $146.18
- Jones Exhaust®V-Power Series Stainless Steel Oval Full Boar Gray Exhaust MufflerUniversal V-Power Series Stainless Steel Oval Full Boar Gray Exhaust Muffler by Jones Exhaust®. Muffler Body Length: 13". Muffler Overall Length: 18.5". Muffler Sound: Aggressive / Loud. This product is made of high-quality materials to...$60.67 - $101.33
- Different Trend®Diesel Series Round Gray Exhaust MufflerUniversal Diesel Series Round Gray Exhaust Muffler by Different Trend®. Muffler Sound: Moderate. Muffler Configuration: Center - Center. Different Trend provides variety of product selections, premium quality products, superior value,...$50.76 - $90.78
- Different Trend®Exhaust MufflerUniversal Exhaust Muffler by Different Trend®. Muffler Sound: Moderate. Different Trend provides variety of product selections, premium quality products, superior value, and the best in customer service. This product is made of...$20.69 - $37.59
- Different Trend®Flow II Series Stainless Steel Round Gray Exhaust MufflerUniversal Flow II Series Stainless Steel Round Gray Exhaust Muffler by Different Trend®. Muffler Sound: Moderate. Muffler Configuration: Center - Center. Different Trend provides variety of product selections, premium quality products,...$37.81 - $45.01
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The GMC muffler consists of metal plates and tubes with multiple holes in them. Between the tubes, there are chambers that cancel out the unwanted frequencies and suppress the annoying noise. Once the sound waves and exhaust gases move into the muffler through the center tube, they bounce off the back wall of the unit and then come back out into the main body. That creates waves that have the opposite amplitude, which makes them cancel each other out.
The chamber where the process of wave collision occurs is called the resonator. Its size is precisely calculated so that the process runs smoothly. The principle that the device works on is pretty simple. When the high-pressure sound wave that is coming out from the first chamber meets the reflected low-pressure wave, they cancel each other out because the two waves add up to zero. That's the way the muffler reduces that tremendous amount of noise produced by the engine.
Another important characteristic of the muffler is that its body is constructed in three layers: two thin metal layers with a thicker insulated layer between them. Such a structure allows the unit to absorb some of the pressure pulses. The muffler itself is manufactured from sturdy materials such as stainless steel and aluminum-coated steel. That ensures the part to function for a long period of time. And the better your muffler operates, the greater performance your vehicle offers.
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