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 Muffler Assm To Resonator Assm Exhaust Clamp for 2001-2007 Dodge Grand Caravan 3.3L 3.8L V6Special Price $3.71 Regular Price $4.99
- Walker Muffler Assm To Resonator Assm Exhaust Clamp for 1996-2007 Chrysler Town & Country 3.3L 3.8L V6Special Price $3.96 Regular Price $5.99
- Walker Muffler Assm To Resonator Assm Exhaust Clamp for 2002-2005 Chevrolet Venture 3.4L V6Special Price $3.99 Regular Price $5.99
- Walker Y-Pipe To Muffler Exhaust Clamp for 1969-1974 Ford E-300 Econoline 5.0L V8Special Price $3.71 Regular Price $4.99
- Walker Y-Pipe To Muffler Exhaust Clamp for 1972-1974 Jeep CJ6 5.0L V8Special Price $3.71 Regular Price $4.99
- Walker Muffler Assm To Resonator Assm Exhaust Clamp for 2001-2007 Dodge Caravan 2.4L 3.3L L4 V6Special Price $3.71 Regular Price $4.99
- Walker Muffler Assm To Resonator Assm Exhaust Clamp for 1999-2003 Ford Windstar 3.0L 3.8L V6Special Price $3.71 Regular Price $4.99
- Walker Muffler Assm To Resonator Assm Exhaust Clamp for 2001 Ford Explorer Sport 4.0L V6Special Price $3.71 Regular Price $4.99
- Walker Muffler Assm To Resonator Assm Exhaust Clamp for 2000-2001 Ford Explorer 4.0L V6Special Price $3.71 Regular Price $4.99
- Walker Y-Pipe To Muffler Exhaust Clamp for 1991 Ford Thunderbird 3.8L V6Special Price $3.96 Regular Price $5.99
- Walker Y-Pipe To Muffler Exhaust Clamp for 1966-1974 Ford Bronco 4.7L 5.0L V8Special Price $3.96 Regular Price $5.99
- Walker Muffler Assm To Resonator Assm Exhaust Clamp for 2001-2003 Chrysler Voyager 2.4L 3.3L L4 V6Special Price $3.96 Regular Price $5.99
- Walker Muffler Assm To Resonator Assm Exhaust Clamp for 2001-2010 Dodge Grand Caravan 3.3L 3.8L V6Special Price $3.99 Regular Price $5.99
- Walker Muffler Assm To Resonator Assm Exhaust Clamp for 2005-2007 Saturn Relay 3.5L 3.9L V6Special Price $3.99 Regular Price $5.99
- Walker Muffler Assm To Resonator Assm Exhaust Clamp for 2009-2010 Volkswagen Routan 3.8L V6Special Price $3.99 Regular Price $5.99
- Walker Muffler Assm To Resonator Assm Exhaust Clamp for 2005-2009 Pontiac Montana 3.4L 3.5L 3.9L V6Special Price $3.99 Regular Price $5.99
- Walker Muffler Assm To Resonator Assm Exhaust Clamp for 2005-2007 Buick Terraza 3.5L 3.9L V6Special Price $3.99 Regular Price $5.99
- Walker Muffler Assm To Resonator Assm Exhaust Clamp for 2001-2010 Chrysler Town & Country 3.3L 3.8L V6Special Price $3.99 Regular Price $5.99
- Walker Y-Pipe To Muffler Exhaust Clamp for 1967-1970 Mercury Marauder 6.4L 7.0L V8Special Price $4.23 Regular Price $5.99
- Walker Y-Pipe To Muffler Exhaust Clamp for 1976-1978 Dodge CB300 6.6L 7.2L V8Special Price $4.23 Regular Price $5.99
- Walker Y-Pipe To Muffler Exhaust Clamp for 1972-1973 Mercury Montego 5.8L 6.6L V8Special Price $4.25 Regular Price $5.99
- Walker Y-Pipe To Muffler Exhaust Clamp for 1967-1974 Mercury Monterey 6.4L 6.6L 7.0L 7.5L V8Special Price $4.49 Regular Price $5.99
- Walker Y-Pipe To Muffler Exhaust Clamp for 1976-1978 Dodge B300 6.6L 7.2L V8Special Price $4.49 Regular Price $5.99
- Walker Y-Pipe To Muffler Exhaust Clamp for 1967-1968 Mercury Commuter 6.4L 7.0L V8Special Price $4.49 Regular Price $5.99
- Walker Y-Pipe To Muffler Exhaust Clamp for 1976-1978 Dodge B200 6.6L 7.2L V8Special Price $4.49 Regular Price $5.99
- Walker Y-Pipe To Muffler Exhaust Clamp for 1976-1978 Plymouth PB200 6.6L 7.2L V8Special Price $4.49 Regular Price $5.99
- Walker Muffler Assm To Resonator Assm Exhaust Clamp for 2007-2010 Dodge Dakota 3.7L 4.7L V6 V8Special Price $4.49 Regular Price $5.99
- Walker Y-Pipe To Muffler Exhaust Clamp for 1967-1973 Ford Galaxie 500 4.7L 5.0L 5.8L 6.4L 6.6L 7.0L V8Special Price $4.49 Regular Price $5.99
- Walker Y-Pipe To Muffler Exhaust Clamp for 1967-1973 Ford Custom 500 4.7L 5.0L 5.8L 6.4L 6.6L 7.0L V8Special Price $4.49 Regular Price $5.99
- Walker Muffler Assm To Resonator Assm Exhaust Pipe Flange Gasket for 1996-1998 Mazda MPV 3.0L V6Special Price $4.65 Regular Price $6.99