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 To Tail Pipe Exhaust Clamp for 1995-2004 GMC Jimmy 4.3L V6Special Price $4.25 Regular Price $5.99
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- Walker Converter Front Left To Rear Left Exhaust Pipe Flange Gasket for 2005-2018 Nissan Frontier 4.0L V6Special Price $3.08 Regular Price $3.99
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- Walker Converter Front Left To Rear Left Exhaust Pipe Flange Gasket for 2003-2017 Toyota 4Runner 4.0L V6Special Price $3.35 Regular Price $4.99
- Walker Converter Front Left To Rear Left Exhaust Pipe Flange Gasket for 2007-2014 Toyota FJ Cruiser 4.0L V6Special Price $3.35 Regular Price $4.99
- Walker Converter Front Left To Rear Left Exhaust Pipe Flange Gasket for 2005-2015 Toyota Tacoma 4.0L V6Special Price $3.59 Regular Price $4.99
- Walker Converter Front Left To Rear Left Exhaust Pipe Flange Gasket for 2005-2009 Lexus GX470 4.7L V8Special Price $3.59 Regular Price $4.99
- Walker Muffler To Tail Pipe Exhaust Clamp for 2001-2004 Mazda B2300 2.3L L4Special Price $3.71 Regular Price $4.99
- Walker Muffler To Tail Pipe Exhaust Clamp for 1998-2011 Ford Ranger 2.3L 2.5L 3.0L 4.0L L4 V6Special Price $3.71 Regular Price $4.99
- Walker Muffler To Tail Pipe Exhaust Clamp for 1985-1986 Nissan Maxima 3.0L V6Special Price $3.71 Regular Price $4.99
- Walker Muffler To Tail Pipe Exhaust Clamp for 1993-1994 Toyota T100 3.0L V6Special Price $3.71 Regular Price $4.99
- Walker Muffler To Tail Pipe Exhaust Clamp for 1998-2007 Mazda B3000 3.0L V6Special Price $3.71 Regular Price $4.99
- Walker Muffler To Tail Pipe Exhaust Clamp for 1989-1995 Nissan Pathfinder 3.0L V6Special Price $3.71 Regular Price $4.99
- Walker Muffler To Tail Pipe Exhaust Clamp for 2003-2008 Toyota Matrix 1.8L L4Special Price $3.71 Regular Price $4.99