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 Int Pipe To Resonator Assm Exhaust Clamp for 1987-1991 Volkswagen Jetta 1.8L 2.0L L4Special Price $3.99 Regular Price $5.99
- Walker Int Pipe To Resonator Assm Exhaust Clamp for 2008-2009 Mercury Sable 3.5L V6Special Price $4.25 Regular Price $5.99
- Walker Int Pipe To Resonator Assm Exhaust Clamp for 1989-1991 Audi 100 Quattro 2.3L L5Special Price $4.25 Regular Price $5.99
- Walker Int Pipe To Resonator Assm Exhaust Clamp for 2007-2010 Lincoln MKX 3.5L V6Special Price $4.25 Regular Price $5.99
- Walker Int Pipe To Resonator Assm Exhaust Clamp for 2008-2009 Ford Taurus X 3.5L V6Special Price $4.25 Regular Price $5.99
- Walker Int Pipe To Resonator Assm Exhaust Clamp for 2008-2009 Ford Taurus 3.5L V6Special Price $4.25 Regular Price $5.99
- Walker Extension Pipe Exhaust System Insulator for 2003-2010 Pontiac Vibe 1.8L 2.4L L4Special Price $4.99 Regular Price $6.99
- Walker Extension Pipe Exhaust System Insulator for 2000-2005 Mercury Sable 3.0L V6Special Price $4.99 Regular Price $6.99
- Walker Extension Pipe Exhaust System Insulator for 2000-2007 Ford Taurus 3.0L V6Special Price $4.99 Regular Price $6.99
- Walker Extension Pipe Exhaust System Insulator for 1991-1992 Nissan Axxess 2.4L L4Special Price $5.26 Regular Price $7.99
- Walker Int Pipe To Resonator Assm Exhaust Pipe Flange Gasket for 1988-1995 Honda Civic 1.5L L4Special Price $7.12 Regular Price $9.99
- Walker Int Pipe To Resonator Assm Exhaust Clamp for 2013-2017 Ram 2500 5.7L V8Special Price $7.12 Regular Price $9.99
- Walker Int Pipe To Resonator Assm Exhaust Pipe Flange Gasket for 1988-1991 Honda CRX 1.5L L4Special Price $7.12 Regular Price $9.99
- Walker Extension Pipe Exhaust System Insulator for 2014-2015 Kia Sorento 2.4L L4Special Price $7.76 Regular Price $10.99
- Walker Extension Pipe Exhaust System Insulator for 1989-1992 Plymouth Colt 1.5L L4Special Price $7.76 Regular Price $10.99
- Walker Extension Pipe Exhaust System Insulator for 1989-1992 Dodge Colt 1.5L L4Special Price $7.76 Regular Price $10.99
- Walker Extension Pipe Exhaust System Insulator for 1998-2004 Chrysler Concorde 3.2L 3.5L V6Special Price $7.76 Regular Price $10.99
- Walker Extension Pipe Exhaust System Insulator for 1990-1994 Mitsubishi Eclipse 1.8L 2.0L L4Special Price $7.76 Regular Price $10.99
- Walker Extension Pipe Exhaust System Insulator for 2000-2004 Dodge Intrepid 3.5L V6Special Price $8.09 Regular Price $11.99
- Walker Extension Pipe Exhaust System Insulator for 1990-1994 Plymouth Laser 1.8L 2.0L L4Special Price $8.09 Regular Price $11.99
- Walker Extension Pipe Exhaust System Insulator for 1999-2004 Chrysler 300M 3.5L V6Special Price $8.09 Regular Price $11.99
- Walker Extension Pipe Exhaust System Insulator for 1990-1994 Eagle Talon 1.8L 2.0L L4Special Price $8.09 Regular Price $11.99
- Walker Extension Pipe Exhaust System Insulator for 2013-2016 Hyundai Santa Fe Sport 2.4L L4Special Price $8.09 Regular Price $11.99
- Walker Extension Pipe Exhaust System Insulator for 1996-2014 GMC Yukon 4.8L 5.3L 5.7L 6.2L V8Special Price $9.51 Regular Price $13.99
- Walker Extension Pipe Exhaust System Insulator for 2015-2016 Chevrolet Colorado 3.6L V6Special Price $9.51 Regular Price $13.99
- Walker Extension Pipe Exhaust System Insulator for 1993-2000 Chevrolet C3500 5.7L 6.5L 7.4L V8Special Price $9.51 Regular Price $13.99