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 Rear Converter To Resonator Assm Exhaust Clamp for 2006-2011 Mercury Milan 2.3L 3.0L L4 V6Special Price $4.25 Regular Price $5.99
- Walker Muffler Exhaust System Insulator for 1996-2001 Chevrolet Lumina 3.1L V6Special Price $7.76 Regular Price $10.99
- Walker Muffler Exhaust System Insulator for 1996-1999 Chevrolet C1500 Suburban 5.7L V8Special Price $9.51 Regular Price $13.99
- Walker Muffler Exhaust System Insulator for 1994-1997 Oldsmobile Cutlass Supreme 3.1L V6Special Price $9.51 Regular Price $13.99
- Walker Muffler Exhaust System Insulator for 1994-1999 Oldsmobile Cutlass 3.1L V6Special Price $9.87 Regular Price $13.99
- Walker Muffler Exhaust System Hanger for 1988-1989 GMC V3500 6.2L V8Special Price $10.15 Regular Price $13.99
- 2 pc Walker Muffler Exhaust System Insulators for 1997-2001 Toyota Camry 2.2L 3.0L L4 V6Special Price $10.91 Regular Price $15.99
- 2 pc Walker Muffler Exhaust System Insulators for 2009-2016 Ford E-350 Super Duty 5.4L V8Special Price $16.95 Regular Price $23.99
- 3 pc Walker Muffler Exhaust System Insulators for 1990-1994 Eagle Talon 2.0L L4Special Price $25.80 Regular Price $36.99
- 4 pc Walker Muffler Exhaust System Insulators for 1989-1992 Ford Probe 2.2L 3.0L L4 V6Special Price $34.66 Regular Price $49.99
- Walker Rear Converter To Resonator Assm Exhaust Pipe Flange Gasket for 2002-2016 Nissan Altima 2.5L 3.5L L4 V6Special Price $2.25 Regular Price $2.99
- Walker Rear Converter To Resonator Assm Exhaust Pipe Flange Gasket for 2002-2004 Infiniti I35 3.5L V6Special Price $2.25 Regular Price $2.99
- Walker Rear Converter To Resonator Assm Exhaust Pipe Flange Gasket for 1999-2001 Nissan Maxima 3.0L V6Special Price $2.25 Regular Price $2.99
- Walker Rear Converter To Resonator Assm Exhaust Pipe Flange Gasket for 2014 Nissan Rogue Select 2.5L L4Special Price $2.25 Regular Price $2.99
- Walker Rear Converter To Resonator Assm Exhaust Pipe Flange Gasket for 2008-2013 Nissan Rogue 2.5L L4Special Price $2.25 Regular Price $2.99
- Walker Rear Converter To Resonator Assm Exhaust Pipe Flange Gasket for 2000-2001 Infiniti I30 3.0L V6Special Price $2.25 Regular Price $2.99
- Walker Rear Converter To Resonator Assm Exhaust Pipe Flange Gasket for 2000 Mitsubishi Eclipse 3.0L V6Special Price $2.56 Regular Price $3.99
- Walker Rear Converter To Resonator Assm Exhaust Pipe Flange Gasket for 2006-2008 Hyundai Sonata 3.3L V6Special Price $2.56 Regular Price $3.99
- Walker Rear Converter To Resonator Assm Exhaust Pipe Flange Gasket for 2006-2010 Hyundai Azera 3.3L 3.8L V6Special Price $2.56 Regular Price $3.99
- Walker Rear Converter To Resonator Assm Exhaust Pipe Flange Gasket for 1995-1998 Mazda Protege 1.5L L4Special Price $2.61 Regular Price $3.99
- Walker Rear Converter To Resonator Assm Exhaust Pipe Flange Gasket for 2001-2003 Mazda Protege 2.0L L4Special Price $3.35 Regular Price $4.99
- Walker Rear Converter To Resonator Assm Exhaust Pipe Flange Gasket for 2002-2003 Mazda Protege5 2.0L L4Special Price $3.35 Regular Price $4.99
- Walker Rear Converter To Resonator Assm Exhaust Pipe Flange Gasket for 1988-1996 Toyota Camry 2.0L 2.2L L4Special Price $3.59 Regular Price $4.99
- Walker Rear Converter To Resonator Assm Exhaust Clamp for 2012-2017 Kia Rio 1.6L L4Special Price $3.96 Regular Price $5.99
- Walker Rear Converter To Resonator Assm Exhaust Clamp for 2012-2017 Hyundai Accent 1.6L L4Special Price $3.96 Regular Price $5.99
- Walker Rear Converter To Resonator Assm Exhaust Clamp for 2000-2009 Mercury Sable 3.0L 3.5L V6Special Price $3.99 Regular Price $5.99
- Walker Rear Converter To Resonator Assm Exhaust Clamp for 1999-2001 Lexus ES300 3.0L V6Special Price $3.99 Regular Price $5.99