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.
Filter By Part Details
-
MAHLE Exhaust Manifold Gasket Set for 2006-2013 BMW 128i 325i 325xi 328i 328xi 330i 330xi 525i 525xi 528 xDrive 3.0L L6Special Price $47.10 Regular Price $66.99 -
Walker Converter Right To Muffler Assm Front Exhaust Pipe Flange Gasket for 2001-2006 BMW X5 3.0L L6Special Price $10.34 Regular Price $14.99 -
2 pc Walker Exhaust Pipe Flange Gaskets for 2001-2005 BMW 325xi 2.5L L6Special Price $12.89 Regular Price $17.99 -
Walker Exhaust System Insulator for 1984-1987 BMW 325e 2.7L L6Special Price $13.06 Regular Price $18.99 -
Walker Exhaust System Hanger for 1987-1995 BMW 325i 2.5L L6Special Price $13.49 Regular Price $18.99 -
Walker Exhaust Clamp for 1999-2000 BMW Z3 2.5L 2.8L L6Special Price $9.58 Regular Price $13.99Out of stock -
Walker Exhaust Clamp for 2000 BMW 323Ci 2.5L L6Special Price $9.58 Regular Price $13.99Out of stock -
Walker Exhaust Clamp for 1999-2009 BMW 328i 2.8L 3.0L L6Special Price $9.58 Regular Price $13.99Out of stock -
Walker Exhaust Clamp for 1999-2000 BMW 323i 2.5L L6Special Price $9.58 Regular Price $13.99Out of stock -
Walker Exhaust Clamp for 2006 BMW 330i 3.0L L6Special Price $9.58 Regular Price $13.99Out of stock -
Walker Exhaust Clamp for 2006 BMW 325i 3.0L L6Special Price $9.78 Regular Price $13.99Out of stock -
Walker Exhaust Clamp for 2007-2008 BMW 328xi 3.0L L6Special Price $9.78 Regular Price $13.99Out of stock -
Walker Exhaust Clamp for 2006 BMW 325xi 3.0L L6Special Price $9.78 Regular Price $13.99Out of stock -
Walker Exhaust Clamp for 2006 BMW 330xi 3.0L L6Special Price $9.78 Regular Price $13.99Out of stock -
Walker Exhaust Clamp for 2009 BMW 328i xDrive 3.0L L6Special Price $9.78 Regular Price $13.99Out of stock -
Walker Exhaust Clamp for 2000 BMW 328Ci 2.8L L6Special Price $9.78 Regular Price $13.99Out of stock -
Walker Int Pipe To Muffler Exhaust Clamp for 1984-1985 BMW 318i 1.8L L4Special Price $10.14 Regular Price $13.99 -
Walker Resonator Assm To Muffler Exhaust Clamp for 1987 BMW 528e 2.7L L6Special Price $10.24 Regular Price $14.99 -
Walker Right Exhaust Pipe Flange Gasket for 2001-2003 BMW 525i 2.5L L6Special Price $10.34 Regular Price $14.99 -
Walker Converter Left To Muffler Assm Front Exhaust Pipe Flange Gasket for 2001-2006 BMW X5 3.0L L6Special Price $10.34 Regular Price $14.99 -
Walker Left Exhaust Pipe Flange Gasket for 2001-2003 BMW 525i 2.5L L6Special Price $10.34 Regular Price $14.99 -
Walker Int Pipe To Muffler Exhaust Clamp for 1982-1986 BMW 528e 2.7L L6Special Price $10.46 Regular Price $14.99 -
Walker Muffler To Muffler Assm Exhaust Clamp for 1997-1998 BMW 528i 2.8L L6Special Price $10.70 Regular Price $14.99 -
2 pc Walker Exhaust Clamps for 2009 BMW 328i xDrive 3.0L L6Special Price $11.05 Regular Price $15.99Out of stock -
2 pc Walker Exhaust Clamps for 2006 BMW 325i 3.0L L6Special Price $11.05 Regular Price $15.99Out of stock -
2 pc Walker Exhaust Clamps for 2006 BMW 330i 3.0L L6Special Price $11.05 Regular Price $15.99Out of stock -
2 pc Walker Exhaust Clamps for 2007-2008 BMW 328xi 3.0L L6Special Price $11.28 Regular Price $15.99Out of stock -
2 pc Walker Exhaust Clamps for 2007-2009 BMW 328i 3.0L L6Special Price $11.28 Regular Price $15.99Out of stock -
2 pc Walker Exhaust Clamps for 2006 BMW 325xi 3.0L L6Special Price $11.28 Regular Price $15.99Out of stock -
2 pc Walker Exhaust Clamps for 2006 BMW 330xi 3.0L L6Special Price $11.28 Regular Price $15.99Out of stock -
2 pc Walker Exhaust Clamps for 2000-2003 BMW X5 4.4L V8Special Price $11.75 Regular Price $16.99Out of stock -
2 pc Walker Muffler Exhaust System Insulators for 1980-1981 BMW 320i 1.8L L4Special Price $11.95 Regular Price $16.99Out of stock -
2 pc Walker Muffler Assm Exhaust System Insulators for 1982-1983 BMW 320i 1.8L L4Special Price $12.19 Regular Price $16.99Out of stock -
2 pc Walker Muffler To Muffler Assm Exhaust Clamps for 1992-1995 BMW 525i 2.5L L6Special Price $12.50 Regular Price $17.99 -
2 pc Walker Muffler Assm To Muffler Assm Exhaust Clamps for 1993 BMW 525i 2.5L L6Special Price $12.50 Regular Price $17.99 -
2 pc Walker Exhaust Pipe Flange Gaskets for 1999-2000 BMW Z3 2.5L 2.8L L6Special Price $12.89 Regular Price $17.99 -
2 pc Walker Exhaust Pipe Flange Gaskets for 2001-2006 BMW 330Ci 3.0L L6Special Price $12.89 Regular Price $17.99 -
2 pc Walker Exhaust Pipe Flange Gaskets for 2001-2005 BMW 325i 2.5L L6Special Price $12.89 Regular Price $17.99 -
Walker Muffler Exhaust System Insulator for 1982-1987 BMW 528e 2.7L L6Special Price $13.06 Regular Price $18.99 -
Walker Exhaust System Insulator for 1986-1988 BMW 325 2.7L L6Special Price $13.06 Regular Price $18.99 -
Walker Muffler Exhaust System Insulator for 1984-1985 BMW 318i 1.8L L4Special Price $13.06 Regular Price $18.99 -
2 pc Walker Muffler To Muffler Assm Exhaust Clamps for 1990-1991 BMW 525i 2.5L L6Special Price $13.12 Regular Price $18.99 -
2 pc Walker Muffler Assm To Muffler Assm Exhaust Clamps for 1989 BMW 525i 2.5L L6Special Price $13.12 Regular Price $18.99

































































