Exhaust Muffler Exhaust Components

Emission controls in older carbureted engines relied on forcing additional air from pumps and valves located just before the exhaust manifold to ensure better burns. This is known as a secondary air injection system, and today has evolved to increase the efficiency of Catalytic Converters. Failed pumps and leaks are common signs of a bad Air Injection System, leading to off air and fuel ratios and poor acceleration. Remember to check the Manifold Gaskets and Seals for wear and tear when examining the exhaust.

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  1. Walker SoundFX Exhaust Muffler
    Walker SoundFX Exhaust Muffler for 1976-1978 Jeep CJ7 3.8L 4.2L L6
    Special Price $65.79 Regular Price $93.99
  2. Walker SoundFX Exhaust Muffler
    Walker SoundFX Left Exhaust Muffler for 1982-1991 GMC K3500 6.2L V8
    Special Price $73.73 Regular Price $104.99
  3. Walker Exhaust Muffler
    Walker Installer Turbo 17615 Exhaust Muffler
    Special Price $50.34 Regular Price $51.37
  4. Walker Exhaust Muffler
    Walker SoundFX 18455 Exhaust Muffler
    Special Price $58.68 Regular Price $59.88
  5. Walker Exhaust Muffler
    Walker SoundFX 18101 Exhaust Muffler
    Special Price $59.34 Regular Price $60.55
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