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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- Walker Converter Rear Right To Muffler Assm Exhaust Pipe Flange Gasket for 2007-2014 Toyota FJ Cruiser 4.0L V6Special Price $9.71 Regular Price $13.99
- Walker Right Exhaust Clamp for 1976-1978 Chevrolet K10 5.0L 5.7L 6.6L V8Special Price $4.25 Regular Price $5.99
- Fel-Pro Right Exhaust Pipe Flange Gasket for 2002-2006 Chevrolet Avalanche 1500 5.3L V8Special Price $8.78 Regular Price $12.99
- Fel-Pro Right Exhaust Pipe Flange Gasket for 2009-2010 Hummer H3T 5.3L V8Special Price $8.78 Regular Price $12.99
- Fel-Pro Right Exhaust Pipe Flange Gasket for 2015-2016 Chevrolet Suburban 5.3L 6.0L V8Special Price $8.78 Regular Price $12.99
- Fel-Pro Right Exhaust Pipe Flange Gasket for 2000-2014 Chevrolet Suburban 1500 5.3L 6.0L V8Special Price $9.13 Regular Price $12.99
- Fel-Pro Right Exhaust Pipe Flange Gasket for 2007 GMC Sierra 1500 Classic 4.3L 4.8L 5.3L V6 V8Special Price $9.13 Regular Price $12.99
- Walker Right Exhaust System Hanger for 1989 Chevrolet R2500 6.2L V8Special Price $9.78 Regular Price $13.99
- Walker Right Exhaust System Hanger for 1988 Chevrolet R30 6.2L V8Special Price $10.15 Regular Price $13.99
- Walker Converter Rear Right To Muffler Assm Exhaust Pipe Flange Gasket for 2009-2012 Suzuki Equator 4.0L V6Special Price $2.25 Regular Price $2.99
- Walker Converter Rear Right To Muffler Assm Exhaust Pipe Flange Gasket for 2007-2010 Infiniti QX56 5.6L V8Special Price $2.25 Regular Price $2.99
- Walker Converter Rear Right To Muffler Assm Exhaust Pipe Flange Gasket for 2005-2015 Nissan Xterra 4.0L V6Special Price $2.25 Regular Price $2.99
- Walker Converter Rear Right To Muffler Assm Exhaust Pipe Flange Gasket for 2007-2015 Nissan Titan 5.6L V8Special Price $2.25 Regular Price $2.99
- Walker Converter Rear Right To Muffler Assm Exhaust Pipe Flange Gasket for 2005-2012 Nissan Pathfinder 4.0L V6Special Price $2.25 Regular Price $2.99
- Walker Converter Rear Right To Muffler Assm Exhaust Pipe Flange Gasket for 2005-2018 Nissan Frontier 4.0L V6Special Price $2.25 Regular Price $2.99
- Walker Right Exhaust Pipe Flange Gasket for 2006-2010 Infiniti M45 4.5L V8Special Price $3.08 Regular Price $3.99
- Walker Right Exhaust Pipe Flange Gasket for 2006-2010 Infiniti M35 3.5L V6Special Price $3.31 Regular Price $4.99
- Fel-Pro Right Exhaust Pipe Flange Gasket for 1990-1992 Toyota Land Cruiser 4.0L L6Special Price $3.50 Regular Price $4.99
- Walker Right Exhaust Clamp for 1973-1974 GMC K15 K1500 Pickup 5.7L V8Special Price $3.71 Regular Price $4.99
- Walker Right Exhaust Clamp for 1979-1992 Cadillac Eldorado 4.9L 5.7L 6.0L V8Special Price $3.71 Regular Price $4.99
- Walker Right Exhaust Clamp for 1991-1997 Mercury Cougar 4.6L 5.0L V8Special Price $3.71 Regular Price $4.99