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 Front To Rear Exhaust Clamp for 1985 Cadillac Fleetwood 4.3L V6Special Price $3.71 Regular Price $4.99
- Walker Resonator Assm Exhaust System Insulator for 2014 Nissan Rogue Select 2.5L L4Special Price $4.99 Regular Price $6.99
- Walker Resonator Assm Exhaust System Insulator for 2005-2007 Pontiac G6 2.4L 3.5L L4 V6Special Price $5.26 Regular Price $7.99
- Walker Resonator Assm Exhaust System Insulator for 1996-2000 Plymouth Voyager 3.0L 3.3L 3.8L V6Special Price $8.09 Regular Price $11.99
- Walker Resonator Assm Exhaust System Insulator for 2007-2012 Dodge Caliber 1.8L 2.0L 2.4L L4Special Price $8.09 Regular Price $11.99
- Walker Resonator Assm Exhaust System Insulator for 2000-2005 Hyundai Accent 1.5L 1.6L L4Special Price $8.09 Regular Price $11.99
- Walker Resonator Assm Exhaust System Insulator for 2009 Ford Flex 3.5L V6Special Price $8.09 Regular Price $11.99
- Walker Resonator Assm Exhaust System Insulator for 2005-2014 Volkswagen Jetta 2.5L L5Special Price $8.09 Regular Price $11.99
- 2 pc Walker Resonator Assm Exhaust System Insulators for 2005-2014 Volkswagen Jetta 2.5L L5Special Price $10.91 Regular Price $15.99
- 2 pc Walker Resonator Assm Exhaust System Insulators for 1989-1993 Mitsubishi Galant 2.0L L4Special Price $11.30 Regular Price $15.99
- 2 pc Walker Resonator Assm Exhaust System Insulators for 1998-2002 Chevrolet Prizm 1.8L L4Special Price $11.30 Regular Price $15.99
- 2 pc Walker Resonator Assm Exhaust System Insulators for 2003-2008 Hyundai Tiburon 2.0L 2.7L L4 V6Special Price $16.44 Regular Price $22.99
- 2 pc Walker Resonator Assm Exhaust System Insulators for 2015-2016 GMC Canyon 3.6L V6Special Price $20.51 Regular Price $28.99
- 2 pc Walker Resonator Assm Exhaust System Insulators for 2007-2010 Cadillac Escalade 6.2L V8Special Price $20.51 Regular Price $28.99
- 4 pc Walker Resonator Assm Exhaust System Insulators for 1988-1992 Mazda 626 2.2L L4Special Price $34.66 Regular Price $49.99
- Walker Int Pipe Front To Rear Exhaust Clamp for 1985 Buick Electra 4.3L V6Special Price $3.96 Regular Price $5.99
- Walker Int Pipe Front To Rear Exhaust Clamp for 1987-1995 Ford F-250 4.9L 5.0L L6 V8Special Price $3.99 Regular Price $5.99
- Walker Int Pipe Front To Rear Exhaust Clamp for 1987-1995 Ford F-150 4.9L 5.0L L6 V8Special Price $3.99 Regular Price $5.99
- Walker Int Pipe Front To Rear Exhaust Clamp for 1965-1967 Cadillac Fleetwood 7.0L V8Special Price $4.23 Regular Price $5.99
- Walker Int Pipe Front To Rear Exhaust Clamp for 1965-1967 Cadillac DeVille 7.0L V8Special Price $4.23 Regular Price $5.99
- Walker Int Pipe Front To Rear Exhaust Clamp for 1982-1987 GMC P2500 5.7L V8Special Price $4.23 Regular Price $5.99
- Walker Int Pipe Front To Rear Exhaust Clamp for 1988-1995 Ford F-350 5.8L 7.5L V8Special Price $4.49 Regular Price $5.99
- Walker Int Pipe Front To Rear Exhaust Clamp for 1997-1999 Ford F-250 4.6L 5.4L V8Special Price $4.49 Regular Price $5.99