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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- 2 pc Walker Y-Pipe Exhaust System Insulators for 2000-2005 Chevrolet Monte Carlo 3.8L V6Special Price $16.95 Regular Price $23.99
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- Walker Resonator Assm To Y-Pipe Exhaust Clamp for 2004-2008 Acura TL 3.2L V6Special Price $4.25 Regular Price $5.99
- Walker Y-Pipe Exhaust System Insulator for 2010-2015 Subaru Outback 3.6L H6Special Price $5.26 Regular Price $7.99
- Walker Resonator Assm To Y-Pipe Exhaust Pipe Flange Gasket for 2006-2010 Kia Optima 2.7L V6Special Price $5.92 Regular Price $7.99
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- Walker Y-Pipe Exhaust System Insulator for 2004-2008 Acura TL 3.2L V6Special Price $7.76 Regular Price $10.99
- Walker Y-Pipe Exhaust System Insulator for 2007-2008 Saturn Outlook 3.6L V6Special Price $7.76 Regular Price $10.99
- Walker Y-Pipe Exhaust System Insulator for 2004-2008 Acura TSX 2.4L L4Special Price $8.09 Regular Price $11.99
- Walker Y-Pipe Exhaust System Insulator for 1989-1993 Ford Thunderbird 3.8L V6Special Price $8.09 Regular Price $11.99
- Walker Y-Pipe Exhaust System Insulator for 1991-1992 Chevrolet Lumina 3.4L V6Special Price $9.51 Regular Price $9.87
- 2 pc Walker Y-Pipe Exhaust System Insulators for 1997-2002 Pontiac Grand Prix 3.8L V6Special Price $16.95 Regular Price $23.99