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 Exhaust Manifold Gasket Set for 2003-2009 Acura MDX 3.5L 3.7L V6Special Price $16.69 Regular Price $23.99 -
Walker Front Converter To Front Pipe Exhaust Pipe Flange Gasket for 2004-2006 Acura MDX 3.5L V6Special Price $12.45 Regular Price $17.99 -
Walker Front Pipe To Rear Converter Exhaust Pipe Flange Gasket for 2004-2009 Acura MDX 3.5L 3.7L V6Special Price $18.97 Regular Price $26.99Out of stock -
Fel-Pro Exhaust Pipe Flange Gasket for 2001-2017 Acura MDX 3.5L 3.7L V6Special Price $15.67 Regular Price $21.99 -
Fel-Pro Exhaust Flange Stud & Nut for 2001-2009 Acura MDX 3.5L 3.7L V6Special Price $25.86 Regular Price $36.99 -
Dorman Exhaust Heat Shield for 2003-2009 Acura MDX 3.5L 3.7L V6Special Price $70.03 Regular Price $99.99 -
Fel-Pro EGR Valve Gasket for 2001-2017 Acura MDX 3.5L 3.7L V6Special Price $9.17 Regular Price $12.99 -
Walker Muffler Assm Front To Y-Pipe Exhaust Clamp for 2004-2006 Acura MDX 3.5L V6Special Price $9.44 Regular Price $12.99Out of stock -
Fel-Pro Lower EGR Valve Gasket for 2007-2017 Acura MDX 3.5L 3.7L V6Special Price $9.98 Regular Price $13.99Out of stock -
Walker Y-Pipe To Muffler Assm Rear Left Exhaust Pipe Flange Gasket for 2004-2006 Acura MDX 3.5L V6Special Price $10.17 Regular Price $14.99 -
Walker Front Muffler Assm To Rear Exhaust Clamp for 2001-2002 Acura MDX 3.5L V6Special Price $10.46 Regular Price $14.99 -
Walker Resonator Assm To Right Muffler Assm Exhaust Clamp for 2007-2009 Acura MDX 3.7L V6Special Price $10.48 Regular Price $14.99 -
Walker Exhaust Pipe Flange Gasket for 2010-2013 Acura MDX 3.7L V6Special Price $10.59 Regular Price $14.99 -
Fel-Pro Exhaust Pipe Flange Gasket for 2003-2006 Acura MDX 3.5L V6Special Price $10.73 Regular Price $14.99 -
Walker Converter To Front Muffler Assm Exhaust Pipe Flange Gasket for 2001-2002 Acura MDX 3.5L V6Special Price $11.47 Regular Price $15.99Out of stock -
Walker Muffler Assm Right Exhaust System Insulator for 2007-2009 Acura MDX 3.7L V6Special Price $11.72 Regular Price $16.99 -
Walker Converter Right To Front Pipe Exhaust Pipe Flange Gasket for 2007-2009 Acura MDX 3.7L V6Special Price $12.45 Regular Price $17.99 -
Walker Exhaust Pipe Flange Gasket for 2010-2015 Acura MDX 3.5L 3.7L V6Special Price $12.45 Regular Price $17.99 -
Fel-Pro Exhaust Pipe Flange Gasket for 2007-2013 Acura MDX 3.7L V6Special Price $12.53 Regular Price $17.99 -
Walker Converter Rear To Muffler Assm Front Exhaust Pipe Flange Gasket for 2004-2006 Acura MDX 3.5L V6Special Price $12.70 Regular Price $17.99Out of stock -
Walker Left Converter To Front Pipe Exhaust Pipe Flange Gasket for 2007-2009 Acura MDX 3.7L V6Special Price $12.70 Regular Price $17.99 -
Walker Center Converter To Front Pipe Exhaust Pipe Flange Gasket for 2004-2006 Acura MDX 3.5L V6Special Price $12.70 Regular Price $17.99 -
Walker Front Pipe Exhaust System Insulator for 2007-2009 Acura MDX 3.7L V6Special Price $12.82 Regular Price $17.99 -
Walker Muffler Assm Right Exhaust System Insulator for 2007-2009 Acura MDX 3.7L V6Special Price $12.82 Regular Price $17.99 -
Fel-Pro Exhaust Pipe Flange Gasket for 2014-2017 Acura MDX 3.5L V6Special Price $15.13 Regular Price $21.99 -
Fel-Pro Exhaust Pipe Flange Gasket for 2007-2013 Acura MDX 3.7L V6Special Price $15.13 Regular Price $21.99 -
Fel-Pro Rear Exhaust Pipe Flange Gasket for 2014-2016 Acura MDX 3.5L V6Special Price $15.13 Regular Price $21.99 -
Fel-Pro Rear No. 2 Exhaust Pipe Flange Gasket for 2015-2017 Acura MDX 3.5L V6Special Price $15.13 Regular Price $21.99 -
Fel-Pro Rear Exhaust Pipe Flange Gasket for 2014-2016 Acura MDX 3.5L V6Special Price $15.67 Regular Price $21.99 -
Fel-Pro Rear No. 1 Exhaust Pipe Flange Gasket for 2015-2017 Acura MDX 3.5L V6Special Price $15.99 Regular Price $22.99 -
2 pc Walker Front Pipe Inlet Exhaust Pipe Flange Gaskets for 2001-2002 Acura MDX 3.5L V6Special Price $17.53 Regular Price $24.99 -
Walker Rear Converter To Resonator Assm Exhaust Pipe Flange Gasket for 2007-2009 Acura MDX 3.7L V6Special Price $18.97 Regular Price $26.99Out of stock -
Fel-Pro Exhaust Manifold Gasket Set for 2010-2013 Acura MDX 3.7L V6Special Price $20.16 Regular Price $28.99 -
3 pc Walker Muffler Assm Rear Exhaust System Insulators for 2001-2002 Acura MDX 3.5L V6Special Price $25.85 Regular Price $36.99 -
Walker Right Exhaust Pipe Spout for 2007-2009 Acura MDX 3.7L V6Special Price $43.18 Regular Price $61.99Out of stock -
Walker Left Exhaust Pipe Spout for 2007-2009 Acura MDX 3.7L V6Special Price $44.06 Regular Price $62.99Out of stock


























































