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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- Fel-Pro Front Exhaust Pipe Flange Gasket for 1994-1997 Geo Tracker 1.6L L4Special Price $15.43 Regular Price $21.99
- Fel-Pro Front Exhaust Pipe Flange Gasket for 2004-2006 Lexus RX330 3.3L V6Special Price $3.59 Regular Price $4.99
- Walker Int Pipe To Muffler Exhaust Clamp for 1980-1982 Pontiac Parisienne 4.3L 4.4L V8Special Price $3.71 Regular Price $4.99
- Fel-Pro Front Exhaust Pipe Flange Gasket for 2007-2008 Infiniti G35 3.5L V6Special Price $3.81 Regular Price $4.99
- Walker Int Pipe To Muffler Exhaust Clamp for 1980-2008 Pontiac Grand Prix 3.8L 4.9L 5.7L V6 V8Special Price $3.99 Regular Price $5.99
- Walker Int Pipe To Muffler Exhaust Clamp for 2002-2009 Pontiac Montana 3.4L 3.5L 3.9L V6Special Price $3.99 Regular Price $5.99
- Walker Int Pipe To Muffler Exhaust Clamp for 2009-2016 GMC Acadia 3.6L V6Special Price $4.23 Regular Price $5.99
- Walker Int Pipe To Muffler Exhaust Clamp for 1985-1987 Ford E-350 Econoline 5.8L V8Special Price $4.23 Regular Price $5.99
- Walker Int Pipe To Muffler Exhaust Clamp for 1981 Buick Century 5.7L V8Special Price $4.25 Regular Price $5.99
- Fel-Pro Front Exhaust Pipe Flange Gasket for 2006-2016 Lexus IS350 3.5L V6Special Price $6.77 Regular Price $9.99
- Fel-Pro Front Exhaust Pipe Flange Gasket for 2005-2007 Chevrolet Cobalt 2.0L L4Special Price $6.81 Regular Price $9.99
- Walker Int Pipe To Muffler Exhaust Clamp for 1992-1995 Chevrolet K2500 Suburban 5.7L V8Special Price $7.12 Regular Price $9.99
- Walker Int Pipe To Muffler Exhaust Clamp for 2011-2018 Ram 1500 5.7L V8Special Price $7.12 Regular Price $9.99
- Fel-Pro Front Exhaust Pipe Flange Gasket for 2009-2016 Nissan Versa 1.6L L4Special Price $9.84 Regular Price $13.99
- Fel-Pro Front Exhaust Pipe Flange Gasket for 1999-2001 Suzuki Vitara 1.6L L4Special Price $15.43 Regular Price $21.99
- Fel-Pro Front Exhaust Pipe Flange Gasket for 2001-2007 Toyota Highlander 2.4L L4Special Price $15.92 Regular Price $22.99
- Fel-Pro Front Exhaust Pipe Flange Gasket for 2005 Saab 9-2X 2.0L H4Special Price $17.50 Regular Price $24.99
- Fel-Pro Front Exhaust Pipe Flange Gasket for 1989-1990 Toyota Tercel 1.5L L4Special Price $3.27 Regular Price $4.99