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 Resonator Assm To Y-Pipe Exhaust Clamp for 1997-1999 Buick Park Avenue 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 1969-1974 Ford E-300 Econoline 5.0L V8Special Price $3.71 Regular Price $4.99
- Walker Resonator Assm To Y-Pipe Exhaust Clamp for 2007-2009 Nissan Altima 2.5L L4Special 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 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 Resonator Assm To Y-Pipe Exhaust Clamp for 1995-1999 Buick Riviera 3.8L V6Special Price $3.99 Regular Price $5.99
- Walker Resonator Assm To Y-Pipe Exhaust Clamp for 1995-1998 Oldsmobile Aurora 4.0L V8Special Price $3.99 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 Resonator Assm To Y-Pipe Exhaust Clamp for 2008-2012 Honda Accord 3.5L V6Special Price $3.99 Regular Price $4.25
- Walker Y-Pipe To Muffler Exhaust Clamp for 1973 Mercury Monterey 5.8L V8Special Price $4.25 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 Resonator Assm To Y-Pipe Exhaust Clamp for 2004-2008 Acura TL 3.2L V6Special Price $4.25 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 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 Plymouth PB200 6.6L 7.2L 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 Resonator Assm To Y-Pipe Exhaust Pipe Flange Gasket for 2006-2010 Kia Optima 2.7L V6Special Price $5.92 Regular Price $7.99
- Walker Resonator Assm To Y-Pipe Exhaust Pipe Flange Gasket for 2003-2008 Hyundai Tiburon 2.0L 2.7L L4 V6Special Price $6.21 Regular Price $8.99
- 2 pc Walker Y-Pipe To Muffler Exhaust Clamps for 2010-2011 Buick LaCrosse 3.0L 3.6L V6Special Price $8.69 Regular Price $11.99
- 2 pc Walker Y-Pipe To Muffler Exhaust Clamps for 2014-2015 Chevrolet Impala 2.5L L4Special Price $8.69 Regular Price $11.99