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    • (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
    • (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
    • (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
    • (22 reviews)
      # sp4409
      Exhaust Gasket 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
      $2.02 - $27.69
    • (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
      $0.37 - $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
      $0.37 - $48.20
    • (0 reviews)
      # sp38929
      Universal Universal 80 Series Cross-Flow Muffler by Flowmaster®. The 80 series is a cross-flow design for applications where the muffler is mounted transversely behind the rear end. Delivering an aggressive muscle car sound both...
      Aggressive Exterior Sound LevelIncreased Power and Torque Compared to Stock
      $119.97 - $144.80
    • (0 reviews)
      # sp60396
      Universal 50 Series Delta Force™ 409 SS Muffler by Flowmaster®. The Delta Force 50 series race mufflers utilize Flowmaster's patented Delta Flow technology and feature excellent power characteristics with good sound reduction...
      Race proven patented Delta Flow technologyExcellent decibel reduction over open headers
      $127.67
    • (0 reviews)
      # sp38927
      Universal Universal 50 Series HD Delta Flow Muffler by Flowmaster®. Flowmaster's stainless steel 50 Series HD muffler is designed for today's heavy duty gas and diesel trucks. This muffler delivers improved performance, throttle...
      Mild Interior ResonanceBuilt for Quieting Big Displacement Engines
      $167.51 - $220.44
    • (0 reviews)
      # sp38934
      Universal Universal Race 30 Series Delta Force Muffler by Flowmaster®. The Delta Force 30 series race mufflers utilize Flowmaster's patented Delta Flow technology and are designed for race applications needing to meet the most...
      Durable fully welded 16 gauge aluminized steel - two chamber race mufflerGood decibel reduction over open headers
      $158.34 - $259.90
    • (0 reviews)
      # sp60397
      Universal 60 Series Delta Force™ Stainless Steel Race Muffler by Flowmaster®. The Flowmaster 60 series Delta Force muffler is ideal for race applications requiring maximum sound control with no performance loss. The 60 series is...
      Stainless Steel MaterialSuperior Sound Reduction
      $203.17
    • (3 reviews)
      # sp66264
      Universal Glass Pack Series Aluminized Steel Muffler by MagnaFlow®. The Glass Pack Mufflers have the same high performance optimizing, straight-through design as the more expensive MagnaFlow mufflers. They are made in aluminized...
      Red Coated 100% aluminized steelNon-fiberglass acoustic packing material
      $31.03 - $51.26
    • (9 reviews)
      # sp41609
      Universal Street Mufflers with Tips by Magnaflow®. These are mufflers for souped-up street machines. These mufflers look and sound great, making them perfect for the high performance street-legal car. Remove sound dampener for pure...
      Sound Dampener can be Removed for Pure Off-Road Race RoarBuilt in Stainless Steel For Durability
      $129.74 - $279.96
    • (15 reviews)
      # sp66267
      Universal Stainless Steel Oval Bi-Directional Mufflers by MagnaFlow®. The Wide Open design of the performance muffler improves the breathing of your engine and gives you increased power. It also gives you that famous MagnaFlow...
      Delivers More HorsepowerDelivers A Smooth, Deep Tone
      $73.68 - $246.49




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    The Chevy HHR 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.

    Chevy HHR Mufflers & Resonators Reviews

    Average rating:  4.5  4.5 - 39 reviews
    5 of 5
    CanAmMex® 00747-212 - Thunderbolt™ Hi-Polished Single Rolled Angled Oval Tip
    These appear to be of very good quality, good welds.
    JPosted by John (Enfield, CT) / February 24, 2016
    Was this review helpful for you? Yes
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    Chevy HHR Models
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