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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MAHLE Exhaust Manifold Gasket Set for 1996-2004 Nissan Frontier Pathfinder Quest Xterra 3.3L V6Special Price $30.54 Regular Price $43.99 -
Walker Resonator Assm Left To Int Pipe Left Exhaust Pipe Flange Gasket for 2001-2004 Nissan Pathfinder 3.5L V6Special Price $11.76 Regular Price $16.99 -
Fel-Pro Exhaust Pipe Flange Gasket for 1981-1986 Nissan 720 2.0L 2.2L 2.4L L4Special Price $12.62 Regular Price $17.99 -
MAHLE Exhaust Manifold Gasket Set for 2004-2017 Nissan Armada NV2500 NV3500 Pathfinder TITAN 5.6L V8Special Price $40.24 Regular Price $56.99 -
Fel-Pro Front Exhaust Pipe Flange Gasket for 2009-2016 Nissan 370Z 3.7L V6Special Price $14.23 Regular Price $19.99 -
Fel-Pro Exhaust Pipe Flange Gasket for 2002-2006 Nissan Altima 2.5L L4Special Price $11.30 Regular Price $15.99 -
Fel-Pro EGR Valve Gasket for 1980-1998 Nissan 200SX 1.6L 2.0L 2.2L L4Special Price $9.59 Regular Price $13.99 -
Walker Int Pipe To Muffler Assm Exhaust Clamp for 2007-2015 Nissan Titan 5.6L V8Special Price $10.36 Regular Price $14.99 -
Walker Converter Inlet Front Left Exhaust Pipe Flange Gasket for 2005-2012 Nissan Pathfinder 4.0L V6Special Price $10.40 Regular Price $14.99 -
Walker Front Pipe To Muffler Assm Exhaust Clamp for 2005-2018 Nissan Frontier 4.0L V6Special Price $10.57 Regular Price $14.99 -
Walker Front Pipe Inlet Front Exhaust Pipe Flange Gasket for 1995-1999 Nissan Sentra 1.6L L4Special Price $10.95 Regular Price $15.99 -
MAHLE Center Exhaust Pipe Flange Gasket for 2010-2011 Nissan Maxima 3.5L V6Special Price $11.56 Regular Price $16.99 -
MAHLE Muffler Assm To Tail Pipe Exhaust Pipe Flange Gasket for 2013-2022 Nissan Pathfinder 3.5L V6Special Price $11.56 Regular Price $16.99 -
Fel-Pro Exhaust Pipe Flange Gasket for 1991-1993 Nissan NX 2.0L L4Special Price $11.69 Regular Price $16.99 -
Fel-Pro Exhaust Pipe Flange Gasket for 1989-1990 Nissan 240SX 2.4L L4Special Price $11.69 Regular Price $16.99 -
Fel-Pro Exhaust Pipe Flange Gasket for 2007-2012 Nissan Sentra 2.0L L4Special Price $11.86 Regular Price $16.99 -
Fel-Pro Exhaust Pipe Flange Gasket for 1993-1994 Nissan D21 3.0L V6Special Price $11.86 Regular Price $16.99 -
Fel-Pro Exhaust Pipe Flange Gasket for 2005-2016 Nissan Frontier 2.5L 4.0L L4 V6Special Price $11.86 Regular Price $16.99 -
Fel-Pro Exhaust Pipe Flange Gasket for 2013-2016 Nissan NV200 2.0L L4Special Price $11.86 Regular Price $16.99 -
Fel-Pro Exhaust Pipe Flange Gasket for 1993-1994 Nissan Altima 2.4L L4Special Price $11.93 Regular Price $16.99 -
Walker Resonator Assm To Muffler Assm Exhaust Pipe Flange Gasket for 1999-2001 Nissan Maxima 3.0L V6Special Price $12.93 Regular Price $17.99 -
MAHLE Exhaust Pipe Flange Gasket for 1994-2004 Nissan Frontier Maxima Pathfinder Quest Xterra 2.4L 3.0L 3.3L L4 V6Special Price $13.44 Regular Price $18.99 -
2 pc Walker Exhaust System Insulators for 1998-2004 Nissan Frontier 2.4L L4Special Price $14.58 Regular Price $20.99 -
MAHLE Manifold To Front Pipe Exhaust Pipe Flange Gasket for 2002-2019 Nissan Altima Cube Note NV200 Sentra Versa 1.6L 1.8L 2.0L 2.5L L4Special Price $15.19 Regular Price $21.99 -
2 pc MAHLE Front Catalytic Converter Gaskets for 1989-2011 Nissan 200SX 240SX Altima Frontier Maxima NX Pathfinder Sentra Stanza X 1.6L 2.0L 2.4L 3.0L 4.0L L4 V6Special Price $15.63 Regular Price $21.99 -
2 pc MAHLE Rear Catalytic Converter Gaskets for 2007-2022 Nissan Altima Maxima Murano Pathfinder 3.5L V6Special Price $16.51 Regular Price $23.99 -
2 pc MAHLE Inlet Catalytic Converter Gaskets for 2017-2022 Nissan Altima Maxima 3.5L V6Special Price $16.51 Regular Price $23.99 -
Fel-Pro Exhaust Manifold Gasket Set for 1998-2004 Nissan Frontier 2.4L L4Special Price $19.52 Regular Price $27.99 -
Fel-Pro Exhaust Manifold Gasket Set for 1993-2001 Nissan Altima 2.4L L4Special Price $19.92 Regular Price $27.99 -
Fel-Pro Rear Exhaust Pipe Flange Gasket for 2013-2016 Nissan Sentra 1.8L L4Special Price $21.32 Regular Price $29.99 -
Walker Resonator Assm To Muffler Assm Exhaust Bolt & Spring for 2002-2006 Nissan Sentra 2.5L L4Special Price $22.28 Regular Price $31.99 -
Fel-Pro Exhaust Manifold Gasket Set for 2007-2012 Nissan Altima 2.5L L4Special Price $26.12 Regular Price $36.99 -
MAHLE Exhaust Manifold Gasket for 2007-2013 Nissan Altima Rogue Sentra X-Trail 2.5L L4Special Price $30.85 Regular Price $43.99 -
MAHLE Exhaust Manifold Gasket Set for 2005-2022 Nissan 350Z 370Z Altima Frontier Maxima Murano NV1500 NV2500 NV3500 Pat 3.5L 3.7L 4.0L V6Special Price $43.31 Regular Price $61.99 -
Dorman Rear Exhaust Manifold for 2003-2006 Nissan Altima 3.5L V6Special Price $369.75 Regular Price $527.99 -
Fel-Pro EGR Valve Gasket for 1969-1972 Nissan 521 Pickup 1.6L L4Special Price $9.07 Regular Price $12.99 -
Fel-Pro EGR Valve Gasket for 1973-1976 Nissan 610 1.8L 2.0L L4Special Price $9.07 Regular Price $12.99 -
Fel-Pro EGR Valve Gasket for 1993-1994 Nissan Altima 2.4L L4Special Price $9.07 Regular Price $12.99 -
Fel-Pro EGR Valve Gasket for 1991-1993 Nissan Sentra 2.0L L4Special Price $9.07 Regular Price $12.99 -
Fel-Pro EGR Valve Gasket for 1979-1983 Nissan 280ZX 2.8L L6Special Price $9.26 Regular Price $12.99 -
Fel-Pro EGR Valve Gasket for 1982-1983 Nissan Stanza 2.0L L4Special Price $9.26 Regular Price $12.99



































































