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 Int Pipe To Muffler Assm Exhaust Bolt & Spring for 2007-2012 Acura RDX 2.3L L4Special Price $11.82 Regular Price $16.99
- Walker Int Pipe To Muffler Assm Exhaust Clamp for 1988 Toyota Van Wagon 2.2L L4Special Price $3.07 Regular Price $4.99
- Walker Front Pipe To Muffler Exhaust Clamp for 1964-1966 GMC G1000 Series 2.5L 3.2L 3.8L L4 L6Special Price $3.67 Regular Price $4.99
- Walker Int Pipe To Muffler Assm Exhaust Clamp for 2010-2016 Cadillac SRX 3.0L 3.6L V6Special Price $4.19 Regular Price $5.99
- Walker Int Pipe To Muffler Assm Exhaust Clamp for 1986-1987 Hyundai Pony 1.4L 1.6L L4Special Price $2.32 Regular Price $2.45
- Walker Int Pipe To Muffler Assm Exhaust Clamp for 1990-1992 Volkswagen Jetta 1.8L L4Special Price $3.31 Regular Price $4.99
- Walker Front Pipe To Muffler Exhaust Clamp for 1971-1974 GMC G35 G3500 Van 4.1L 4.8L L6Special Price $3.43 Regular Price $4.99
- Walker Int Pipe To Muffler Assm Exhaust Clamp for 2013-2018 Buick Encore 1.4L L4Special Price $3.43 Regular Price $4.99
- Walker Front Pipe To Muffler Exhaust Clamp for 1961-1964 Ford F-100 3.6L 4.3L L6Special Price $3.43 Regular Price $4.99
- Walker Front Pipe To Muffler Exhaust Clamp for 1964-1974 Chevrolet G10 Van 2.5L 3.2L 3.8L 4.1L L4 L6Special Price $3.43 Regular Price $4.99
- Walker Front Pipe To Muffler Exhaust Clamp for 1967-1970 Chevrolet K10 Pickup 3.8L 4.1L 4.8L L6Special Price $3.43 Regular Price $4.99
- Walker Int Pipe To Muffler Assm Exhaust Clamp for 2007-2010 Kia Rondo 2.4L L4Special Price $3.43 Regular Price $4.99
- Walker Int Pipe To Muffler Assm Exhaust Clamp for 2012-2016 Chevrolet Sonic 1.8L L4Special Price $3.43 Regular Price $3.54
- Walker Front Pipe To Muffler Exhaust Clamp for 1967-1974 GMC G25 G2500 Van 3.8L 4.1L 4.8L L6Special Price $3.43 Regular Price $3.54
- Walker Front Pipe To Muffler Exhaust Clamp for 1967-1970 GMC K25 K2500 Pickup 4.1L 4.8L L6Special Price $3.43 Regular Price $3.54
- Walker Int Pipe To Muffler Assm Exhaust Clamp for 1984-1991 Nissan Micra 1.2L L4Special Price $3.07 Regular Price $4.99
- Walker Int Pipe To Muffler Assm Exhaust Clamp for 1995 Chrysler Intrepid 3.3L V6Special Price $3.67 Regular Price $4.99
- Walker Front Pipe To Muffler Exhaust Clamp for 1971-1974 Chevrolet G30 Van 4.1L 4.8L L6Special Price $3.67 Regular Price $4.99
- Walker Front Pipe To Muffler Exhaust Clamp for 1973-1975 Ford F-250 3.9L 4.9L L6Special Price $3.67 Regular Price $4.99
- Walker Int Pipe To Muffler Assm Exhaust Clamp for 2011-2012 Lincoln MKZ 2.5L L4Special Price $3.67 Regular Price $4.99
- Walker Int Pipe To Muffler Assm Exhaust Clamp for 2006-2011 Mercury Milan 2.3L 2.5L L4Special Price $3.67 Regular Price $4.99
- Walker Int Pipe To Muffler Assm Exhaust Clamp for 2006-2017 Hyundai Sonata 2.4L L4Special Price $3.67 Regular Price $4.99
- Walker Front Pipe To Muffler Exhaust Clamp for 1971-1972 Chevrolet C20 Pickup 4.1L 4.8L L6Special Price $3.43 Regular Price $4.99
- Walker Front Pipe To Muffler Exhaust Clamp for 1963-1967 Chevrolet P20 Series 3.8L 4.1L 4.8L L6Special Price $3.43 Regular Price $4.99
- Walker Front Pipe To Muffler Exhaust Clamp for 1968-1972 Chevrolet P20 Van 4.1L 4.8L L6Special Price $3.67 Regular Price $4.99
- Walker Int Pipe To Muffler Assm Exhaust Clamp for 2001-2004 Ford Escape 2.0L L4Special Price $3.67 Regular Price $4.99
- Walker Int Pipe To Muffler Assm Exhaust Clamp for 2007-2015 Nissan Titan 5.6L V8Special Price $3.43 Regular Price $4.99
- Walker Int Pipe To Muffler Assm Exhaust Clamp for 2010-2017 Chevrolet Equinox 2.4L L4Special Price $3.95 Regular Price $5.99
- Walker Int Pipe To Muffler Assm Exhaust Clamp for 2001-2010 Chrysler PT Cruiser 2.4L L4Special Price $3.95 Regular Price $5.99
- Walker Int Pipe To Muffler Assm Exhaust Clamp for 2005-2010 Pontiac G6 2.4L 3.5L L4 V6Special Price $3.95 Regular Price $5.99
- Walker Front Pipe To Muffler Exhaust Clamp for 1967-1972 GMC P25 P2500 Van 4.1L 4.8L L6Special Price $3.67 Regular Price $5.99
- Walker Front Pipe To Muffler Exhaust Clamp for 1967-1974 GMC G15 G1500 Van 3.8L 4.1L L6Special Price $3.67 Regular Price $5.99
- Walker Int Pipe To Muffler Assm Exhaust Clamp for 2007-2010 Infiniti QX56 5.6L V8Special Price $3.67 Regular Price $5.99
- Walker Front Pipe To Muffler Exhaust Clamp for 1978 Ford F-350 4.9L L6Special Price $3.43 Regular Price $5.99
- Walker Front Pipe To Muffler Exhaust Clamp for 1967-1974 Chevrolet G20 Van 3.8L 4.1L 4.8L L6Special Price $3.43 Regular Price $5.99