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 Pipe Flange Gasket for 2001-2005 Lexus IS300 3.0L L6Special Price $10.92 Regular Price $15.99 -
MAHLE Exhaust Manifold Gasket Set for 2006-2018 Lexus ES350 GS300 GS350 GS450h IS250 IS300 IS350 RC300 RC350 RX350 RX4 2.5L 3.0L 3.5L V6Special Price $30.10 Regular Price $42.99 -
2 pc MAHLE Catalytic Converter Gaskets for 2006-2011 Lexus IS250 2.5L V6Special Price $17.59 Regular Price $24.99 -
Fel-Pro Exhaust Manifold Gasket Set for 2002-2003 Lexus ES300 3.0L V6Special Price $18.99 Regular Price $26.99 -
Fel-Pro Rear Exhaust Pipe Flange Gasket for 2001-2006 Lexus LS430 4.3L V8Special Price $26.35 Regular Price $37.99 -
Walker Y-Pipe To Right Muffler Assm Exhaust Clamp for 1990-1994 Lexus LS400 4.0L V8Special Price $10.14 Regular Price $13.99 -
Walker Muffler Assm To Resonator Assm Exhaust Clamp for 2010-2015 Lexus RX350 3.5L V6Special Price $10.30 Regular Price $14.99 -
Walker Rear Converter To Resonator Assm Exhaust Clamp for 1999-2003 Lexus RX300 3.0L V6Special Price $10.52 Regular Price $14.99 -
MAHLE Exhaust Pipe Flange Gasket for 2010-2016 Lexus ES350 HS250h RX450h 2.4L 3.5L L4 V6Special Price $10.78 Regular Price $14.99 -
Fel-Pro Exhaust Pipe Flange Gasket for 1993-2005 Lexus GS300 3.0L L6Special Price $10.92 Regular Price $15.99 -
Fel-Pro EGR Valve Gasket for 2011-2016 Lexus CT200h 1.8L L4Special Price $11.00 Regular Price $15.99 -
Walker Rear Converter To Resonator Assm Exhaust Pipe Flange Gasket for 2000-2005 Lexus GS300 3.0L L6Special Price $11.11 Regular Price $15.99 -
Fel-Pro Exhaust Pipe Flange Gasket for 1992-2000 Lexus SC300 3.0L L6Special Price $11.15 Regular Price $15.99 -
Walker Converter Left To Rear Exhaust Pipe Flange Gasket for 2006-2013 Lexus IS250 2.5L V6Special Price $11.23 Regular Price $15.99 -
Fel-Pro Exhaust Pipe Flange Gasket for 2001-2007 Lexus GS430 4.3L V8Special Price $11.35 Regular Price $15.99 -
Fel-Pro Exhaust Pipe Flange Gasket for 2001-2006 Lexus LS430 4.3L V8Special Price $11.35 Regular Price $15.99 -
Fel-Pro Exhaust Pipe Flange Gasket for 2008-2015 Lexus LX570 5.7L V8Special Price $11.36 Regular Price $15.99 -
Walker Converter Rear Exhaust System Insulator for 2006-2008 Lexus RX400h 3.3L V6Special Price $11.48 Regular Price $15.99 -
Fel-Pro Rear Exhaust Pipe Flange Gasket for 2007-2015 Lexus RX350 3.5L V6Special Price $12.31 Regular Price $17.99 -
Fel-Pro Center Exhaust Pipe Flange Gasket for 1998-2007 Lexus LX470 4.7L V8Special Price $12.31 Regular Price $17.99 -
MAHLE Front Catalytic Converter Gasket for 1995-1997 Lexus LS400 SC400 4.0L V8Special Price $12.74 Regular Price $17.99 -
Fel-Pro Front Exhaust Pipe Flange Gasket for 1992-1997 Lexus SC400 4.0L V8Special Price $13.42 Regular Price $18.99 -
Fel-Pro Exhaust Pipe Flange Gasket for 2016 Lexus IS300 3.5L V6Special Price $13.44 Regular Price $18.99 -
Fel-Pro Front Exhaust Pipe Flange Gasket for 2006-2016 Lexus IS350 3.5L V6Special Price $13.44 Regular Price $18.99 -
Fel-Pro Exhaust Pipe Flange Gasket for 2001-2006 Lexus LS430 4.3L V8Special Price $13.72 Regular Price $19.99 -
Walker Resonator Assm To Muffler Assm Exhaust Pipe Flange Gasket for 1999-2001 Lexus ES300 3.0L V6Special Price $15.87 Regular Price $22.99 -
2 pc Walker Muffler Assm Left Exhaust System Insulators for 2007-2017 Lexus ES350 3.5L V6Special Price $15.92 Regular Price $22.99 -
2 pc MAHLE Left Exhaust Pipe Flange Gaskets for 1999-2000 Lexus RX300 3.0L V6Special Price $16.60 Regular Price $23.99 -
Walker Muffler Assm To Resonator Assm Exhaust Pipe Flange Gasket for 2004-2006 Lexus RX330 3.3L V6Special Price $18.63 Regular Price $26.99 -
Walker Muffler Assm To Resonator Assm Exhaust Bolt & Spring for 2007-2009 Lexus RX350 3.5L V6Special Price $21.07 Regular Price $29.99 -
Fel-Pro Rear Exhaust Pipe Flange Gasket for 2010-2013 Lexus RX450h 3.5L V6Special Price $21.55 Regular Price $30.99 -
MAHLE Rear Catalytic Converter Gasket for 2008-2014 Lexus LX570 5.7L V8Special Price $22.65 Regular Price $31.99 -
Fel-Pro Exhaust Manifold Gasket Set for 2007-2015 Lexus GS350 3.5L V6Special Price $25.34 Regular Price $35.99 -
Fel-Pro Exhaust Pipe Flange Gasket for 2006-2015 Lexus IS250 2.5L V6Special Price $26.35 Regular Price $37.99 -
Fel-Pro Exhaust Flange Stud & Nut for 2001-2005 Lexus IS300 3.0L L6Special Price $26.39 Regular Price $37.99 -
Fel-Pro EGR Valve Gasket for 1999-2003 Lexus RX300 3.0L V6Special Price $9.46 Regular Price $13.99Out of stock -
Fel-Pro EGR Valve Gasket for 1994-2003 Lexus ES300 3.0L V6Special Price $9.65 Regular Price $13.99Out of stock -
Walker Muffler Right Exhaust System Insulator for 1990-1994 Lexus LS400 4.0L V8Special Price $9.66 Regular Price $13.99 -
Walker Muffler Left Exhaust System Insulator for 1990-1994 Lexus LS400 4.0L V8Special Price $9.86 Regular Price $13.99 -
Walker Left Extension Pipe To Left Muffler Exhaust Clamp for 1990-1994 Lexus LS400 4.0L V8Special Price $9.93 Regular Price $13.99 -
Walker Y-Pipe To Left Muffler Assm Exhaust Clamp for 1990-1994 Lexus LS400 4.0L V8Special Price $9.93 Regular Price $13.99 -
Walker Muffler Assm Left To Int Pipe Left Exhaust Clamp for 1990-1994 Lexus LS400 4.0L V8Special Price $9.93 Regular Price $13.99 -
Walker Muffler Assm Right To Int Pipe Right Exhaust Clamp for 1990-1994 Lexus LS400 4.0L V8Special Price $10.14 Regular Price $13.99 -
Walker Right Extension Pipe To Right Muffler Exhaust Clamp for 1990-1994 Lexus LS400 4.0L V8Special Price $10.14 Regular Price $13.99 -
Walker Converter Rear To Muffler Assm Exhaust Clamp for 2006-2008 Lexus RX400h 3.3L V6Special Price $10.30 Regular Price $14.99 -
Walker Converter Rear To Muffler Assm Exhaust Clamp for 2004-2006 Lexus RX330 3.3L V6Special Price $10.30 Regular Price $14.99 -
Walker Rear Converter To Resonator Assm Exhaust Clamp for 1999-2001 Lexus ES300 3.0L V6Special Price $10.30 Regular Price $14.99


































































