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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- Fel-Pro Front Exhaust Pipe Flange Gasket for 2008-2013 Infiniti G37 3.7L V6Special Price $3.56 Regular Price $4.99
- Fel-Pro Front Exhaust Pipe Flange Gasket for 2011-2013 Infiniti M37 3.7L V6Special Price $3.56 Regular Price $4.99
- Fel-Pro Front Exhaust Pipe Flange Gasket for 2014-2016 Infiniti Q70 3.5L 3.7L V6Special Price $3.56 Regular Price $4.99
- Fel-Pro Front Exhaust Pipe Flange Gasket for 2013 Infiniti EX37 3.7L V6Special Price $3.56 Regular Price $4.99
- Fel-Pro Front Exhaust Pipe Flange Gasket for 2009-2012 Infiniti FX35 3.5L V6Special Price $3.56 Regular Price $4.99