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    • (0 reviews)
      # sp4422
      Tru-Fit Universal Muffler by Walker®. The Tru-Fit Universal Muffler is designed to provide installers and DIY users with optimum performance and quality acoustics at an affordable price. This 100% aluminized steel muffler features...
      Economical performance and acousticsUniversal fit allows for greater installation flexibility
      $31.31 - $34.68
    • (21 reviews)
      # sp4412
      Quiet-Flow Muffler by Walker®. Together with delivering OE-style sound, the Quiet-Flow Muffler features 100% steel construction for maximum durability. This part is a perfect choice if you are looking for proper OE-quality...
      Designed for OE equivalent sound and precision fitSpun-locked heads for a proper resistance to backfire
      $29.28 - $654.91
    • (5 reviews)
      # sp4418
      SoundFX Universal Muffler Fit by Walker®. This muffler is the right choice if you opt for quality acoustics and performance. Walker offers 100% aluminized steel SoundFX Mufflers with direct fit and universal fit options available,...
      Designed to deliver ultimate performance and pleasing sound qualityMay require a few modifications to install
      $32.14 - $49.07
    • (15 reviews)
      # sp4416
      SoundFX™ Direct Fit Muffler by Walker®. This muffler is the right choice if you opt for quality acoustics and performance. Walker offers 100% aluminized steel SoundFX Mufflers with direct fit and universal fit options available,...
      Designed to deliver ultimate performance and pleasing sound qualityOE-equivalent direct-fit design
      $27.04 - $125.19
    • (0 reviews)
      # sp4612
      Universal Muffler by Bosal®. This product is engineered to meet OE specs to ensure precise, factory-like fit, maximum performance, and reliability. This part features a direct fit design allowing for ease of installation....
      Made of High Quality materialsPrecision-manufactured for easy fitment
      $37.41 - $112.50
    • (26 reviews)
      # sp4420
      Resonator by Walker®. If you want exhaust piping that delivers precise OE-style fit, appearance, and reliability, this part is your number one choice. Every pipe is vehicle-specific and is manufactured using precision benders to...
      Designed to directly replace the factory partMade with precision benders and fixture checked
      $26.93 - $324.53
    • (1 review)
      # sp4406
      VT™ Muffler by DynoMax®. The revolutionary DynoMax VT performance muffler will give your vehicle a deep, throaty sound and eliminate drone while increasing exhaust flow and horsepower. It is built using the exclusive DynoMax...
      Unrestricted, straight-through design for a dyno-proven increase in horsepower and torqueExclusive DynoMax Valve Technology delivers on-demand, drone-free performance and sound
      $94.34 - $253.78
    • (1 review)
      # sp4402
      Ultra Flo™ Polished Stainless Steel Muffler by DynoMax®. This muffler packs straight-through design for unrestricted exhaust flow and a dyno-proven increase in power inside a polished stainless steel shell that delivers a show...
      Unrestricted, straight-through design for a dyno-proven increase in horsepower and torqueEngineered to give your car a deep performance tone
      $72.98 - $340.72
    • (1 review)
      # sp841
      Stainless Steel Performance Pipe by MagnaFlow®. The manifold pipes are 100% stainless steel and designed to complement MagnaFlow X-pipe exhaust systems. Each part is designed to mate to stock manifolds.
      Makes installation of X-member-back exhaust system easyMates to stock manifolds
      $83.69 - $1,034.77
    • (3 reviews)
      # sp9629
      Stainless Steel Downpipe by Pypes®. Upgrade your exhaust system with the superior Pypes Exhaust accessory that will help unleash your engine's beast in no time flat. Demonstrating both premium quality and craftsmanship, this...
      Superior upgrade for your exhaust systemDesigned to provide outstanding performance
      $18.23 - $504.99
    • (0 reviews)
      # sp4407
      Resonator by DynoMax®. This part provides an additional sound control and is a great add-on to the exhaust system. Working in tandem with the muffler, it will ensure a more efficient sound reduction and achieve a particular exhaust...
      Designed for a quieter exhaust soundCancels out sound waves to further reduce engine noise
      $79.74 - $178.92
    • (0 reviews)
      # sp29848
      Muffler by AP Exhaust®. This superior product was carefully designed with key attention to detail and manufactured from high-grade materials to the strict standards of the highest quality. This AP Exhaust Technologies product...
      Limited Lifetime Warranty backed by AP Exhaust Products100% aluminized components
      $74.38 - $148.14
    • (0 reviews)
      # sp81167
      Universal Oval Installer Turbo Muffler by Walker®. Mega-Flow® mufflers combine Walker® quality and engineering with solution-driven technology to absorb unwanted engine and engine brake noise without sacrificing brake performance.
      Specifically Engineered for Class 7 and 8 vehiclesA bolt-on Solution for Excessive Engine Brake Noise
      $115.36 - $146.46
    • (16 reviews)
      # sp4410
      Exhaust Hanger 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, you...
      Makes installation quick and easyOptimal OE-style fit and quality
      $1.85 - $48.20
    • (16 reviews)
      # sp4411
      Exhaust Rubber Insulator 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...
      Makes installation quick and easyOptimal OE-style fit and quality
      $1.85 - $48.20




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    The Buick 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.

    Buick Mufflers & Resonators Reviews

    Average rating:  5  5 - 1 review
    5 of 5
    Great Customer Service
    Product was exactly what I wanted. Came in perfect condition. Fits car without any problems. Thanks so much!
    RPosted by Robert (Milford, PA) / March 14, 2015
    1978 Chevy El Camino
    Was this review helpful for you? Yes
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