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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- 2 pc Walker Resonator Assm Exhaust System Insulators for 2005-2014 Volkswagen Jetta 2.5L L5Special Price $10.91 Regular Price $15.99
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- Walker Front Pipe To Int Pipe Exhaust Bolt & Spring for 1984-1991 Honda Civic 1.3L 1.5L L4Special Price $12.32 Regular Price $17.99
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- 2 pc Walker Resonator Assm Exhaust System Insulators for 2015-2016 GMC Canyon 3.6L V6Special Price $20.51 Regular Price $28.99
- 2 pc Walker Resonator Assm Exhaust System Insulators for 2007-2010 Cadillac Escalade 6.2L V8Special Price $20.51 Regular Price $28.99
- 4 pc Walker Resonator Assm Exhaust System Insulators for 1988-1992 Mazda 626 2.2L L4Special Price $34.66 Regular Price $49.99
- Walker Front Pipe To Int Pipe Exhaust Clamp for 1981-1984 Pontiac Bonneville 5.7L V8Special Price $3.99 Regular Price $5.99
- Walker Front Pipe To Int Pipe Exhaust Clamp for 1980-1985 Oldsmobile Cutlass Salon 5.7L V8Special Price $3.99 Regular Price $5.99
- Walker Front Pipe To Int Pipe Exhaust Clamp for 1980-1984 Oldsmobile Cutlass Calais 5.7L V8Special Price $3.99 Regular Price $5.99
- Walker Front Pipe To Int Pipe Exhaust Clamp for 1980-1981 Oldsmobile Cutlass 5.7L V8Special Price $3.99 Regular Price $5.99
- Walker Front Pipe To Int Pipe Exhaust Clamp for 1980-1985 Chevrolet C30 4.8L L6Special Price $4.23 Regular Price $5.99
- Walker Front Pipe To Int Pipe Exhaust Clamp for 1981 Buick Century 5.7L V8Special Price $4.25 Regular Price $5.99
- Walker Front Pipe To Int Pipe Exhaust Clamp for 1982-1983 Chevrolet Malibu 5.7L V8Special Price $4.25 Regular Price $5.99
- Walker Front Pipe To Int Pipe Exhaust Clamp for 1982-1984 Chevrolet Monte Carlo 5.7L V8Special Price $4.25 Regular Price $5.99
- Walker Front Pipe To Int Pipe Exhaust Clamp for 1983-1984 GMC Caballero 5.7L V8Special Price $4.25 Regular Price $5.99
- Walker Front Pipe To Int Pipe Exhaust Clamp for 1980-1985 Oldsmobile Cutlass Supreme 5.7L V8Special Price $4.25 Regular Price $5.99