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 Left Muffler Assm Exhaust Pipe Flange Gasket for 2000-2005 Lexus GS300 3.0L L6Special Price $6.03 Regular Price $8.99
- Walker Resonator Assm To Left Muffler Assm Exhaust Pipe Flange Gasket for 2005-2012 Toyota Avalon 3.5L V6Special Price $3.59 Regular Price $4.99
- Walker Y-Pipe To Converter Exhaust Clamp for 1988-1993 Chevrolet K1500 4.3L 5.0L V6 V8Special Price $4.23 Regular Price $5.99
- Walker Y-Pipe To Converter Exhaust Clamp for 1988-1993 Chevrolet C2500 4.3L 5.0L V6 V8Special Price $4.23 Regular Price $5.99
- Walker Y-Pipe To Converter Exhaust Clamp for 1980 Pontiac Bonneville 4.9L V8Special Price $4.49 Regular Price $5.99
- Walker Resonator Assm To Left Muffler Assm Exhaust Pipe Flange Gasket for 2005-2009 Subaru Outback 2.5L H4Special Price $5.77 Regular Price $7.99
- Walker Y-Pipe To Converter Exhaust Pipe Flange Gasket for 1986-1987 Ford Ranger 2.9L V6Special Price $2.74 Regular Price $3.99
- Walker Resonator Assm To Left Muffler Assm Exhaust Pipe Flange Gasket for 2007-2011 Toyota Camry 3.5L V6Special Price $3.35 Regular Price $4.99
- Walker Resonator Assm To Left Muffler Assm Exhaust Pipe Flange Gasket for 2007-2017 Lexus ES350 3.5L V6Special Price $3.59 Regular Price $4.99
- Walker Resonator Assm To Left Muffler Assm Exhaust Clamp for 2007-2010 Lincoln MKX 3.5L V6Special Price $3.99 Regular Price $5.99
- Walker Resonator Assm To Left Muffler Assm Exhaust Clamp for 2007-2010 Ford Edge 3.5L V6Special Price $3.99 Regular Price $5.99
- Walker Y-Pipe To Converter Exhaust Clamp for 1980 Pontiac Grand Prix 4.9L V8Special Price $4.23 Regular Price $5.99
- Walker Y-Pipe To Converter Exhaust Clamp for 1976 Buick LeSabre 3.8L V6Special Price $4.23 Regular Price $5.99
- Walker Y-Pipe To Converter Exhaust Clamp for 1988-1990 GMC S15 2.8L 4.3L V6Special Price $4.23 Regular Price $5.99
- Walker Y-Pipe To Converter Exhaust Clamp for 1987-1991 Dodge B250 3.9L 5.2L 5.9L V6 V8Special Price $4.23 Regular Price $5.99
- Walker Y-Pipe To Converter Exhaust Clamp for 1978-1986 Chevrolet C10 4.1L 5.0L 5.7L L6 V8Special Price $4.23 Regular Price $5.99
- Walker Y-Pipe To Converter Exhaust Clamp for 1987 GMC V1500 5.0L V8Special Price $4.23 Regular Price $5.99
- Walker Y-Pipe To Converter Exhaust Clamp for 1987-1988 Dodge B350 5.2L 5.9L V8Special Price $4.23 Regular Price $5.99
- Walker Y-Pipe To Converter Exhaust Clamp for 1988-1994 Chevrolet S10 2.8L 4.3L V6Special Price $4.23 Regular Price $5.99
- Walker Y-Pipe To Converter Exhaust Clamp for 1979-1993 GMC C1500 4.1L 4.3L 5.0L 5.7L L6 V6 V8Special Price $4.23 Regular Price $5.99
- Walker Y-Pipe To Converter Exhaust Clamp for 1988-1993 Chevrolet C1500 4.3L 5.0L V6 V8Special Price $4.23 Regular Price $5.99
- Walker Y-Pipe To Converter Exhaust Clamp for 1981-1982 Pontiac Parisienne 4.3L 4.4L V8Special Price $4.25 Regular Price $5.99
- Walker Y-Pipe To Converter Exhaust Clamp for 1979-1980 Dodge D100 Panel 5.9L V8Special Price $4.49 Regular Price $5.99
- Walker Y-Pipe To Converter Exhaust Clamp for 1988-1993 Chevrolet K2500 4.3L 5.0L V6 V8Special Price $4.49 Regular Price $5.99
- Walker Y-Pipe To Converter Exhaust Clamp for 1979-1991 Dodge D150 3.9L 5.2L 5.9L V6 V8Special Price $4.49 Regular Price $5.99
- Walker Y-Pipe To Converter Exhaust Clamp for 1987-1991 Dodge B150 3.9L 5.2L V6 V8Special Price $4.49 Regular Price $5.99
- Walker Y-Pipe To Converter Exhaust Clamp for 1996-1998 Jeep Grand Cherokee 5.2L 5.9L V8Special Price $4.49 Regular Price $5.99
- Walker Y-Pipe To Converter Exhaust Clamp for 1988-1991 GMC S15 Jimmy 4.3L V6Special Price $4.49 Regular Price $5.99
- Walker Y-Pipe To Converter Exhaust Clamp for 1979-1989 Dodge D100 3.9L 5.2L 5.9L V6 V8Special Price $4.49 Regular Price $5.99
- Walker Y-Pipe To Converter Exhaust Clamp for 1980-1993 GMC K1500 4.3L 5.0L 5.7L V6 V8Special Price $4.49 Regular Price $5.99