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.
Filter By Part Details
- Walker Rear Converter To Muffler Assm Exhaust Pipe Flange Gasket for 2002-2003 Suzuki XL-7 2.7L V6Special Price $3.35 Regular Price $4.99
- Walker Rear Converter To Muffler Assm Exhaust Pipe Flange Gasket for 1999-2005 Suzuki Grand Vitara 2.5L 2.7L V6Special Price $3.59 Regular Price $4.99
- Walker Rear Converter To Muffler Assm Exhaust Pipe Flange Gasket for 2001-2004 Chevrolet Tracker 2.5L V6Special Price $3.59 Regular Price $4.99
- Walker Muffler Assm To Extension Pipe Exhaust Clamp for 1990-1992 Volkswagen Jetta 1.8L L4Special Price $3.96 Regular Price $5.99
- Walker Muffler Assm To Extension Pipe Exhaust Clamp for 2006-2010 Mercury Mountaineer 4.6L V8Special Price $3.99 Regular Price $5.99
- Walker Muffler Assm To Extension Pipe Exhaust Clamp for 2002-2005 Ford Explorer 4.0L 4.6L V6 V8Special Price $4.25 Regular Price $5.99
- Walker Muffler Assm To Extension Pipe Exhaust Clamp for 1990-1996 Chevrolet P30 7.4L V8Special Price $7.44 Regular Price $10.99
- Walker Rear Converter To Muffler Assm Exhaust Pipe Flange Gasket for 2006-2013 Lexus IS250 2.5L V6Special Price $9.35 Regular Price $12.99
- Walker Rear Converter To Muffler Assm Exhaust Pipe Flange Gasket for 2003-2004 Toyota 4Runner 4.7L V8Special Price $9.35 Regular Price $12.99
- Walker Rear Converter To Muffler Assm Exhaust Bolt & Spring for 2003-2004 Lexus GX470 4.7L V8Special Price $19.44 Regular Price $27.99
- Walker Rear Converter To Muffler Assm Exhaust Bolt & Spring for 2006 Lexus IS350 3.5L V6Special Price $19.44 Regular Price $27.99
- Walker Rear Converter To Muffler Assm Exhaust Bolt & Spring for 2006-2013 Lexus IS250 2.5L V6Special Price $20.00 Regular Price $28.99